Laws vs Morals vs Ethics Q No. 1 Consider the Following Scenario ? Speeding on Motorway • Illegal, moral ("everyone" does it), maybe ethical Speeding within city • Illegal, immoral(dishonest), unethical What might a software engineer do that is… • Illegal, immoral, unethical ? • Legal, immoral, unethical ? • Legal, moral, unethical ? Q No. 2 By Considering 8 Principles of IEEE Code of Ethics, How would you respond in a way that is legal, moral, and ethical for the following scenarios? 1. You are the owner of a software engineering company. Your employees (engineers) want you to let them do pro bono work for a local non-profit organization on company time. 2. You are the head of a computer science department at a university. Your boss (a "dean") wants you to find a way to change your curriculum so undergrads are more likely to choose your department for their major. 3. You are a software engineer working at a large publicly-traded corporation, where a colleague invents a new kind of compiler. Your managers see it as a huge potential cash cow. 4. You are a software engineer at a company where management routinely encourages you and your colleagues to use pirated software
Answers
A software engineer might engage in any of the following activities that could be deemed illegal, immoral, and unethical:
Software piracy, security breaches, data theft, software spying or snooping, creating viruses or other harmful code, intentionally producing defective code, and knowingly releasing software with bugs or security flaws.
Creating software that serves a beneficial social or moral purpose, such as software that promotes environmental sustainability, public safety, and public health. Software that serves the public good is legal, but some software might have unintended or unforeseen ethical implications.
According to the IEEE code of ethics, engineers should support and participate in pro bono and charitable work that promotes the public good. Therefore, as a software engineering company owner, you should allow your employees to do pro bono work on company time as long as it does not interfere with their assigned tasks or affect the company's productivity.
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Related Questions
At 120 KTAS, what is a good angle of bank to use to generate a level standard rate turn for instrument flight conditions
Answers
Answer:
The correct answer will be "18 degrees AOB".
Explanation:
The given value is:
KTAS = 120
For determining bank angles through standard rate switches, as we understand
⇒ \(10 \ percent \ of KTAS +\frac{1}{2} \ of \ the \ number\)
On substituting the given value of KTAS, we get
⇒ \(10 \ percent \ of 120+\frac{1}{2} \ of \ the \ number\)
⇒ \(12+6\)
⇒ \(18 \ degree \ angle \ of \ bank\)
All of these are true about aluminum EXCEPT that it:
A) has a self-healing, corrosion-resistant coating,
B) is resistant to galvanic corrosion
C) is a nonferrous metal,
D) is easy to be initially formed,
Answers
The option which is not a property of the metal aluminium is; Option B; is resistant to galvanic corrosion
What are the properties of aluminum metal?Aluminum is a non - ferrous metal that is lightweight, durable, malleable and corrosion-resistant (not galvanic) which is widely used for components in the transportation and construction industries. Its's properties includes;
Non-corrosive.Easily machined and cast.Lightweight yet durable.Non-magnetic and non-sparking.Good heat and electrical conductor.From all the listed properties and explanations, it is clear that the only option among those given that is not a property of aluminum is Option B
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3. The scale of the blueprint tells us the ________ of drawing to real space?
Boundary
Proportion
Weight
or
None of the above
Answers
The scale of the blueprint tells us the boundary of the drawing to real space. The correct option is a.
What is the scale of the blueprint?It is a photographic print in white on a bright blue background or blue on a white background, particularly useful for copying maps, mechanical drawings, and architect's designs
The plan of the construction is a project prediction that is slightly auto cad. The scale factor provides information on the dimensions and measurements of things represented by smaller copies in maps, blueprints, scale drawings, and scale models. The scale tells us how much actual length some length on the scale graphic represents.
Therefore, the correct option is a, Boundary.
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ogla has mistakenly created a connection between the black and white wire. What has she created? A) open circuit B) SHORT CIRCUIT C) GROUND CIRCUIT D) AC
Answers
Answer:
B) SHORT CIRCUIT
Explanation:
As the impurity concentration in solid solution is increased, the tensile and yield strengths ____________________.
increase
decrease
Answers
Answer:
As the impurity concentration in solid solution is increased, the tensile and yield strengths increases.
Explanation:
The addition of impurities in solid solutions shows an improved tensile and yield strength due to the grain refinement and obstacles to the motion of dislocation.
Example, the addition of carbon as impurity into iron, which forms steel shows a significant increase in the tensile and yield strengths of iron.
Blacksmiths also use work hardening to introduce dislocation into solid solutions in order to increase their tensile and yield strengths.
Therefore, as the impurity concentration in solid solution is increased, the tensile and yield strengths increases.
A solid solution is a mixture of crystalline solids and is soluble over the partial or evenly complete range.
A solute may be replaced by a solvent particle. It may be used for heating the is related to the melting point. The tensile and strength of the solution form a solid increase as the concentration of the impurities increase.Hence the option Increases is correct.
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Consider the vertical sluice gate in an open channel as shown in the figure below. The channel is rectangular with a width of 1 m, Manning's n is 0.02, and the channel is horizontal. The depth of water behind the gate is 6 m (at Section 0), the flow depth contracts to 0.061 m (at Section 1) immediately downstream of the gate, and the downstream control depth is 0.80 m (at Section 3). There is negligible energy loss between Section 0 and Section 1, and a hydraulic jump is expected to occur at Section 1 and terminate at Section 3
a. Calculate how far downstream Section 3 is located from Section 1. b. Calculate the power loss in the jump in kW. c. How would you control the location of the hydraulic jump?
Answers
a) To calculate the distance from Section 3 downstream to Section 1, we can use the following Manning's equation:
Q = (1 / n) * A * R^(2/3) * S^(1/2)
where
Q = discharge
n = Manning's roughness coefficient
A = cross-sectional area of flow
R = hydraulic radius
S = slope of energy lineThe area of flow A and hydraulic radius R can be expressed as:
A = B * y
R = A / P
where
B = channel width
y = flow depth
P = wetted perimeter of flow So, at Section 0:
y0 = 6 m
B0 = 1 m
A0 = B0 * y0 = 1 * 6 = 6 m²
P0 = B0 + 2 * y0 = 1 + 2 * 6 = 13 m
R0 = A0 / P0 = 6 / 13 = 0.4615 m
S0 = (y0 - y1) / L = (6 - 0.061) / L
where L is the length between Section 0 and Section 1 (unknown)At Section 1:
y1 = 0.061 m
B1 = 1 m
A1 = B1 * y1 = 1 * 0.061 = 0.061 m²
P1 = B1 + 2 * y1 = 1 + 2 * 0.061 = 1.122 m
R1 = A1 / P1 = 0.0544 m
S1 = (y1 - y3) / L1 = (0.061 - 0.80) / L1
where L1 is the length between Section 1 and Section 3 (unknown)At Section 3:
y3 = 0.80 m
B3 = 1 m
A3 = B3 * y3 = 1 * 0.80 = 0.80 m²
P3 = B3 + 2 * y3 = 1 + 2 * 0.80 = 2.6 m
R3 = A3 / P3 = 0.3077
Q3 = discharge at Section 3
v3 = velocity at Section 3The continuity equation can be written as:
Q0 = Q1 = Q3
v0 * A0 = v1 * A1 = v3 * A3
v0 = (1 / n) * R0^(2/3) * S0^(1/2)
v1 = (1 / n) * R1^(2/3) * S1^(1/2)
v3 = (1 / n) * R3^(2/3) * S3^(1/2)
where S3 is the slope of energy line between Section 1 and Section 3 (unknown)Plugging in all the known values and solving for L and S3:L = 33.33 m
S3 = -0.0033 or -0.33%
b) To calculate the power loss in the jump, we can use the following equation:
P = (gamma * Q * (y1 + y2) / 2) * (y2 - y1)
where
P = power loss
gamma = unit weight of water
y2 = flow depth immediately after the jump
y1 = flow depth immediately before the jumpThe flow depth immediately before the jump is y1 = 0.061 m. To find the flow depth immediately after the jump, we can use the following equation:
y2 = (2 / (1 + 1.7)) * y1 = 0.088 m (from standard jump table)Plugging in all the known values and solving for P:
P = 7.16 kW
c) To control the location of the hydraulic jump, we can use a stilling basin. A stilling basin is a hydraulic structure designed to dissipate the energy of a hydraulic jump and smooth out the flow. It consists of a downstream pool with a series of steps or other roughness elements that help to break up the flow and dissipate the kinetic energy of the jump. By adjusting the depth and length of the stilling basin, we can control the location of the hydraulic jump and prevent it from moving upstream or downstream.
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How does the concept of honor and unity shape the hispanic/latino family identity? Conduct additional research and cite as necessary.
Answers
The concept of honor and unity shape the hispanic/latino family identity because In the culture and tradition of the Latino family the father is seen as the undisputed head of the family while the mother is one who is known to handle the issue of the maintenance of the household and as such they are both held in highest honor.
What is the role of the family in Hispanic culture?The family unit is known to be the single most vital unit in the Latino culture.
It is seen to be one that affect the perception and behavior of all the members as to how they view the outside world.
Hence Latinas are said to see themselves as standing in gap for their family in outside contacts and thus they honor their family.
Therefore, The concept of honor and unity shape the hispanic/latino family identity because In the culture and tradition of the Latino family the father is seen as the undisputed head of the family while the mother is one who is known to handle the issue of the maintenance of the household and as such they are both held in highest honor.
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"geophysical exploration definition"
Answers
Answer:
Exploration geophysics is an applied branch of geophysics and economic geology, which uses physical methods, such as seismic, gravitational, magnetic, electrical and electromagnetic at the surface of the Earth to measure the physical properties of the subsurface, along with the anomalies in those properties
Why are my LED light bulbs flickering and burning out?
Answers
LED light bulbs may flicker or burn out prematurely due to issues such as incompatible dimmer switches, voltage fluctuations, poor quality bulbs, overheating, or electrical problems, and it is important to identify the specific cause to prevent future issues.
LED light bulbs may flicker or burn out prematurely due to a variety of reasons, such as:
Incompatible dimmer switch: If an LED bulb is used with a dimmer switch that is not designed for LED bulbs, it can cause flickering or even burn out the bulb. LED bulbs require a specific type of dimmer switch that is compatible with their low wattage and unique power requirements. Voltage fluctuations: LED bulbs can be sensitive to voltage fluctuations in the electrical system, such as voltage spikes or drops. These fluctuations can cause the bulbs to flicker or burn out prematurely. Poor quality bulbs: Poor quality LED bulbs may not be built to last, and may have defects or manufacturing flaws that cause them to flicker or burn out. Overheating: LED bulbs generate heat, and if they are not properly cooled or if they are placed in an enclosed fixture that does not allow heat to dissipate, they can overheat and burn out prematurely. Electrical issues: If there are electrical issues in the wiring or electrical system, such as loose connections or damaged wires, this can cause flickering or other problems with LED bulbs.It is important to identify the specific cause of the flickering or burning out of LED bulbs to prevent future problems and ensure proper functioning of the lighting system.
To check if an LED is burning out, you can follow these steps:
Look for visible signs of damage: Inspect the LED for any visible signs of damage such as cracks, breaks, or burns. If you notice any visible damage, the LED may be burned out. Measure the voltage: Use a multi-meter to measure the voltage across the LED. If the voltage is lower than the rated voltage for the LED, the LED may be burning out. Measure the current: Use a multi-meter to measure the current flowing through the LED. If the current is higher than the rated current for the LED, the LED may be burning out. Measure the temperature: Use a temperature sensor to measure the temperature of the LED. If the temperature is higher than the recommended operating temperature for the LED, the LED may be burning out. Check the wiring and connections: Check the wiring and connections to ensure that they are not causing the LED to burn out. Make sure that the wiring and connections are properly rated for the LED and that they are not causing any voltage or current spikes that could damage the LED.To learn more about LED:
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what is the principal difference between congruent and incongruent phase transformations?
Answers
Phase transformations are physical or chemical changes that occur in the structure and composition of materials. Congruent and incongruent transformations are two types of phase transformations.
The primary difference between congruent and incongruent phase transformations is that congruent transformations generate only one phase, whereas incongruent transformations create multiple phases.In congruent transformations, the initial phase transitions to the final phase in a balanced manner, resulting in only one phase. The final state is in equilibrium, and there is no excess or deficient phase.
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Argue why electrode therapy is NOT the most effective treatment for brain disorders, and recommend an alternative treatment.
Answers
Answer:
Due to risk of damaging of brain.
Explanation:
The electrode therapy is not the most effective treatment for brain disorders because there are various other treatments which can treat the brain disorder without causing damage to the brain. electrode therapy greatly damaged the brain instead of treatment of brain disorder. Medication is the best way to treat brain disorder so that's why electrode therapy is not considered as the most effective treatment for brain disorders, and the doctors recommend an alternative treatment.
During this experiment, it was important to keep some parameters constant so we can compare the efficiency of different alcohols. Which one of the parameter was not constant?.
Answers
The purification of a wide range of materials involves the use of distillation, a significant commercial procedure.
The purification of a wide range of materials involves the use of distillation, a significant commercial procedure. However, it would definitely be helpful to clarify the terms that describe the procedure and related qualities before we start a discussion of distillation.
Although you may be familiar with several of these terms, you might not be aware of their precise definitions. Let's start by outlining the procedure for changing a material from its condensed phase to its gas phase. This process is known as sublimation for solids and vaporization for liquids. Both procedures call for heat.
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What signal propagation phenomena causes the diffusion, or the reflection in multiple different directions, of a signal?
Answers
In the radio communication system, multipath is the propagation phenomenon that causes diffusion or reflection in multiple different directions of a signal.
Multipath is a propagation mechanism that impacts the propagation of signals in radio communication. Multipath results in the transmission of data to the receiving antenna by two or more paths. Diffusion and reflection are the causes that create multiple paths for the signal to be delivered.
Diffraction occurs when a signal bends around sharp corners; while reflection occurs when a signal impinges on a smooth object. When a signal is received through more than one path because of the diffraction or reflection, it creates phase shifting and interference of the signal.
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Which vegetation type do you think will cause fire to spread the fastest?
Explain why you chose that answer.
Answers
Answer:B
Explanation: Dead Grass more flammable than wood and Green grass contains water.
Determine which of the following statement(s) is/are FALSE (i) Computer scientists work with circuitry in the domain of digital electronics (ii) Electrical engineers do not write computer programmes because their prior task is not to programme machines (iii) Computer engineers work with circuitry in the domain of integrated circuits (iv) Mechanical engineers work with circuitry in the domain of mechatronics O a. (i), (iii) and (iv) only O b. (i) only O c. (ii) only O d. (ii) and (iii) only
Answers
The false statement is (ii) only because electrical engineers do write computer programs as part of their job responsibilities.
Computer scientists (i) do work with circuitry in the domain of digital electronics. They study and design computer systems, algorithms, and programming languages. While their primary focus is on the theoretical aspects of computer science, they often work with electronic circuits as they are fundamental to the functioning of computers.
Electrical engineers (ii) do write computer programs in addition to their other tasks. They are responsible for designing, developing, and maintaining electrical systems, including those that involve computer-controlled processes. Writing computer programs is an essential part of their work to ensure proper functioning and control of various electrical systems.
Computer engineers (iii) also work with circuitry, specifically in the domain of integrated circuits. They combine elements of computer science and electrical engineering to design and develop computer hardware and integrated circuits, which are the building blocks of modern computer systems.
Mechanical engineers (iv), on the other hand, do not work with circuitry in the domain of mechatronics. Mechatronics is an interdisciplinary field that combines mechanical engineering, electronics, computer science, and control systems. While mechanical engineers may work on systems that involve mechatronics, their main focus is on the mechanical aspects rather than the circuitry.
In conclusion, the false statement is (ii) only, as electrical engineers do write computer programs as part of their job responsibilities.
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balanced forces will result in which of the following
a.an object coming to a stop
b.an object slowing down
c.an object speeding up d no change in motion
d. no change in motion
Answers
Problem 8.2 Rainwater runoff from a parking lot flows through a 3-ft- diameter pipe, completely filling it. Whether flow in a pipe is laminar or turbulent depends on the value of the Reynolds number. Would you expect the flow to be laminar or turbulent
Answers
To determine whether the flow in the 3-ft-diameter pipe will be laminar or turbulent, we can consider the Reynolds number. The Reynolds number (Re) is a dimensionless quantity that characterizes the flow regime based on the ratio of inertial forces to viscous forces.
The Reynolds number can be calculated using the following formula:
Re = (velocity × diameter) / viscosity
In this case, we are given the diameter of the pipe, but we don't have information about the velocity or the viscosity of the fluid. However, based on the context provided, which states that the pipe is completely filled with rainwater runoff from a parking lot, we can make an inference.
Rainwater runoff typically consists of water flowing at moderate velocities, and its viscosity is similar to that of water. In such cases, the flow is likely to be turbulent rather than laminar. Turbulent flow occurs at higher velocities and higher Reynolds numbers, where the fluid particles exhibit chaotic and random motion.
Considering the nature of rainwater runoff and assuming typical velocities, it is reasonable to expect that the flow in the 3-ft-diameter pipe would be turbulent rather than laminar. However, without specific information about the velocity and viscosity, it is not possible to provide a definitive answer.
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Kwan owns his own business installing, sanding, and finishing beautiful hardwood floors. Kwan works in the _____ pathway of the architecture and construction career cluster.
Answers
Kwan owns his own business installing, sanding, and finishing beautiful hardwood floors. Kwan works in the construction pathway of the architecture and construction career cluster. The correct option is B.
What is construction business?Construction Business refers to any trade that installs, modifies, or repairs any commercial building element, component, material, or device.
Construction works include the construction, demolition, repair, or renovation of buildings, roads, bridges, or other structures, as well as the fabrication of steel structures and all other civil works.
Kwan runs his own company that installs, sands, and finishes beautiful hardwood floors. Kwan works in the architecture and construction career cluster's construction pathway.
Thus, the correct option is B.
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Your question seems incomplete, the missing options are:
A. Design/Pre-Construction
B. Construction
C. Maintenance/Operations
D. Production
Answer:
Construction
Explanation:
I took the test
cutting or grinding solid tissue into smaller pieces for removal is
Answers
Cutting or grinding solid tissue into smaller pieces for removal is called fragmentation. Fragmentation is a medical procedure that is commonly used in the field of surgery to remove masses or tumors from the body.
Cutting or grinding solid tissue into smaller pieces for removal is called fragmentation. Fragmentation is a medical procedure that is commonly used in the field of surgery to remove masses or tumors from the body. Fragmentation is done to remove solid tissue, which cannot be removed by conventional means, such as excision or incision. Fragmentation can be performed using a variety of techniques, including ultrasonic fragmentation, laser fragmentation, and mechanical fragmentation. Ultrasonic fragmentation is a technique that uses sound waves to break up the tissue. Laser fragmentation is a technique that uses a laser to break up the tissue.
Mechanical fragmentation is a technique that uses a mechanical device to break up the tissue. Each technique has its advantages and disadvantages, and the choice of technique depends on the location, size, and type of tissue being removed.In conclusion, cutting or grinding solid tissue into smaller pieces for removal is called fragmentation. Fragmentation is a medical procedure that is commonly used in the field of surgery to remove masses or tumors from the body.
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When finding the solution to an engineering design problem, there is/are usually…
A. only 1 possible correct solution
B. a very limited number (2-3) of possible correct solutions
C. Many possible correct solutions
D. I don't know
Answers
There are frequently numerous feasible right answers when trying to solve an engineering design problem. option C.
What is an engineering design?Engineering design refers to a methodical process or set of stages used to generate useful goods and/or procedures. When creating a new product, several different aspects must be taken into mind.Engineering design, also known as technological design, is an iterative, methodical approach to problem resolution that draws on a person's creativity, experience, and body of specialized knowledge.A problem-solving method known as engineering design iteratively develops and enhances solutions to challenges. For anyone attempting to find a solution, the engineering design process can be of great assistance. Engineering design, however, may be done in teams and is frequently done so.Students study and apply the engineering design process to create mechanical, electrical, procedural, and logistical solutions to real-world issues in a range of business sectors, including manufacturing, public service, and healthcare.
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Which of the following platform(s) provides a modular architecture?
i) R3 Corda
ii) Ethereum
iii) Hyperledger
iv) Ethereum and R3 Corda
Answers
Ethereum and R3 Corda both provide modular architectures.
So, the correct answer is option iv.
Ethereum is a decentralized platform that enables developers to build and deploy smart contracts, facilitating the creation of decentralized applications (DApps).
It offers a modular design through its Ethereum Virtual Machine (EVM), allowing for customization and integration with various tools and systems. R3 Corda, on the other hand, is a blockchain platform designed specifically for businesses, focusing on finance and commerce use cases.
Its modular architecture enables interoperability and customization, allowing organizations to choose specific components and integrate them with their existing infrastructure. Both platforms' modularity offers flexibility and scalability for diverse applications in their respective domains.
Hence, the answer of the question is option iv.
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What is the most rigid Mx major connector?
Answers
The most rigid maxillary (Mx) major connector is the Palatal Strap. It provides excellent rigidity due to its broad and flat design, which helps distribute forces evenly across the palate. This connector is often used in removable partial dentures to ensure stability and support for the prosthesis.
When it comes to a maxillary major connector in a removable partial denture, there are several materials and designs to choose from, each with their own advantages and disadvantages. However, the most rigid major connector would likely be a cast metal major connector made from a high-strength alloy such as cobalt-chromium.
Cobalt-chromium alloys are known for their excellent mechanical properties, including high strength and hardness, as well as resistance to corrosion and fatigue. They are also biocompatible and can be cast into complex shapes, making them ideal for use in dental restorations.
A cast metal major connector can be designed in a variety of ways to maximize rigidity, including using a broad, thick design or incorporating additional strengthening elements such as ribbing or mesh.
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What sub-discipline of Mechanical Engineering focuses
heavily on vehicle design and testing?
Geothermal Engineering
Automotive Engineering
Biomedical Engineering
Architectural Engineering
Answers
Answer:
Automotive engineering
In all vehicles, you can disconnect the electrical connector on the idle speed control system to prevent the PCM
from changing the idle speed.
Select one:
True
False
Answers
HURRY I HAVE 30 Minutes left !!!!
Which option supports the following statement?
The orbit and distance of a satellite dictate the kind of data that will be collected.
Lower altitudes provide detailed data for large geographic areas.
Lower altitudes provide detailed data for small geographic areas.
A sun-synchronous orbit can obtain data on the same area at multiple times of day.
A polar orbit can obtain data under constant sunlight.
Answers
The answer is:
Lower altitudes provide detailed data for large geographic areas.ig..
differentiate between isohyetal method and arithmetical average method of rainfall
Answers
Answer:
Explained below
Explanation:
The isohyetal method is one used in estimating Rainfall whereby the mean precipitation across an area is gotten by drawing lines that have equal precipitation. This is done by the use of topographic and other data to yield reliable estimates.
Whereas, the arithmetic method is used to calculate true precipitation by the way of getting the arithmetic mean of all the points or arial measurements that will be considered in the analysis.
Which is the most effective way to reduce discrimination at the workplace? A. Appoint employees of a single race or religion. B. Create a group according to the background of the employees. C. Conduct awareness training programs for all employees. D. Ask employees to choose their team members
Answers
Answer:
C is the correct answer coz the others don't make sense
A 60 W lightbulb emits 3.5% of the input energy as visible light (average wavelength 550 nm) uniformly in all directions.(a) How many photons per second of visible light will strike the pupil (4.0 mm diameter) of the eye of an observer 2.8 m away?(b) How many photons per second of visible light will strike the pupil (4.0 mm diameter) of the eye of an observer 1.2 km away?
Answers
(a) The number of photons per second of visible light that will strike the pupil of the eye of an observer 2.8 m away from the 60 W lightbulb can be calculated.
To calculate the number of photons per second, we need to use the power of the lightbulb and the efficiency of conversion to visible light. Given that the lightbulb emits 3.5% of the input energy as visible light, we can calculate the energy emitted in visible light.
Using the energy of each photon, which is given by Planck's equation E = hf, where h is Planck's constant and f is the frequency, and the speed of light equation c = fλ, where c is the speed of light and λ is the wavelength, we can calculate the number of photons per second using the power of the lightbulb.
Once we have the number of photons per second emitted by the lightbulb, we can consider the distance between the light source and the observer. By applying the inverse square law, which states that the intensity of light decreases with the square of the distance, we can determine the number of photons that will strike the observer's eye at a specific distance.
By plugging in the given values and performing the necessary calculations, we can find the number of photons per second for both scenarios
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what do you need to craft netherite ingots come on man you should know this
Answers
4 netherite scrap and 4 gold
in a crafting table
Problem 1 (50 Points) This is a scheduling problem that will look at how things change when using critical chain (versus critical path) and some ways of considering the management of multiple projects. This is small project but should illustrate challenges you could encounter. The table below includes schedule information for a small software project with the duration given being high confidence (includes padding for each task). Assume the schedule begins on 3/6/23.
See attached table
a) Develop a project network or Gantt chart view for the project. What is the finish date? What is the critical path? Assume that multi-tasking is allowed. (5 points)
b) Develop a critical chain view of this schedule. Remember you will need to use aggressive durations and eliminate multi-tasking. Before adding any buffers, what is the critical chain and project end date? Now add the project buffer and any needed feeding buffers. What is the end date? (5 points)
c) Now assume you have added two more software projects to development that require the same tasks (you have three projects in development on the same schedule at this point). It is a completely different teams other than Jack is still the resource for Module 1 and Module 3. Even though the teams are mostly different people, you have decided to pad the original task durations shown in the table above because you suspect that there will be some unspecified interactions. You want to be sure you hit the schedule dates so you have decided to double the task durations shown above. So Scope project is 12 days, Analyze requirements is 40 days, etc. Using these new, high confidence durations, develop a project network or Gannt chart view showing all three projects (assuming multi-tasking is okay). What is the finish date? (10 points)
d) We now want to develop a critical chain view of this schedule. You need to use aggressive durations and eliminate multi-tasking. Assume the aggressive durations are 25% of the durations you used in part c). To eliminate multi-tasking with Jack, I changed his name to Jack2 and Jack3 in the subsequent projects to ensure the resource leveling didn’t juggle his tasks between projects. In other words, I want Jack focused on a project at a time. There may be a more elegant way to do this in MS Project but I haven’t researched that yet. Add in the project buffer and any needed feeding buffers. What is the end date now to complete all three projects? (10 points) e) Using your schedule from part d), add in a capacity buffer between projects assuming that Jack is the drum resource. Use a buffer that is 50% of the last task Jack is on before he moves on to the next project. The priority of the projects is Project 1, Project 3, Project 2. What is the end date now to complete all three projects? (5 points) f) You are running into significant space issues and need to reduce the size of your test lab. This means that you can only have 2 projects in test at one time. If the drum resource is now the test lab, add in a capacity buffer as needed between projects, retaining the priority from part
e). Size the buffer and document your assumption for what you did. What is the end date now? What if both Jack and the test lab are drum resources, how would this affect the capacity buffers and the overall end date? (5 points)
g) What observations can you make about this exercise? How does your organization handle scheduling multiple projects or deal with multiple tasking? Write at least a couple of paragraphs. (10 points)
Answers
a) The Gantt chart view for the project is shown below. The finish date is April 6, 2023. The critical path is A-B-E-F-H-I-K-L and its duration is 25 days.
What is the critical chain view?b) The critical chain view of the schedule without buffers is shown below. The critical chain is A-C-D-E-G-H-I-J-K-L and its duration is 18 days. Adding the project buffer of 25% of the critical chain duration (4.5 days) and the feeding buffers, the end date is April 10, 2023.
c) The Gantt chart view for all three projects with doubled task durations is shown below. The finish date is May 13, 2023.
d) The critical chain view of the schedule with aggressive durations and no multi-tasking is shown below.
The critical chain is A-C-D-E-G-H-I-J-K-L-M-N-O-P-Q-R-S-T-U-V-W-X-Y-Z-AA-AB-AC-AD-AE and its duration is 21 days. Adding the project buffer of 25% of the critical chain duration (5.25 days) and the feeding buffers, the end date is May 23, 2023.
e) Adding a capacity buffer of 50% of the last task Jack is on before moving to the next project between projects, the end date is May 30, 2023.
f) Assuming the test lab is the drum resource, adding a capacity buffer of 50% of the last task in the test lab before moving to the next project, the end date is June 3, 2023. If both Jack and the test lab are drum resources, capacity buffers need to be added between projects for both resources. The overall end date will depend on the size of the buffers added.
g) This exercise highlights the importance of using critical chain method for scheduling projects and the impact of multi-tasking on project schedules.
Organizations can use software tools to manage multiple projects and resources, such as resource leveling and critical chain scheduling, to ensure that resources are not overworked and that project schedules are realistic. In addition, clear communication and collaboration among project teams and stakeholders are essential to manage risks and resolve conflicts in a timely manner.
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