A home with 8’ ceilings measure 42” x 30” the areas of the window and the door openings are approximately 125 ft.². What’s the total wall area that needs to be insulated
Answers
The total wall area that needs to be insulated is -29 ft².
The negative value indicates that the area of the window and door openings exceeds the total wall area, which seems unlikely. It's important to note that the given dimensions or calculations might contain errors or inconsistencies. Double-checking the measurements or obtaining accurate dimensions will be necessary to provide a valid answer.
To determine the total wall area that needs to be insulated, we first need to calculate the area of the window and door openings and subtract it from the total wall area.
The dimensions of the window and door openings are not provided, but we know that their combined area is approximately 125 ft². Let's assume that the window and door openings are rectangular in shape.
Let's calculate the area of the window and door openings:
Area = Length × Width
Given that the combined area is 125 ft², we can assume:
Area of window and door openings = 125 ft²
Now, let's calculate the total wall area that needs to be insulated:
Total wall area = Wall area - Area of window and door openings
To calculate the wall area, we need to find the perimeter of the home and multiply it by the height of the walls. Assuming the home is rectangular:
Perimeter = 2 × (Length + Width)
Total wall area = Perimeter × Height
Let's substitute the given dimensions into the equations:
Perimeter = 2 × (42" + 30") = 144 inches
Total wall area = (144 inches × 8 feet) / 12 = 96 ft²
Finally, we can calculate the total wall area that needs to be insulated:
Total wall area = 96 ft² - 125 ft² = -29 ft²
The negative value indicates that the area of the window and door openings exceeds the total wall area, which seems unlikely. It's important to note that the given dimensions or calculations might contain errors or inconsistencies. Double-checking the measurements or obtaining accurate dimensions will be necessary to provide a valid answer.
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Related Questions
Hi. Help me guyz.
Read the resistance below indicated by the letters.
Answers
Answer:
2/4
7/2
92/1
83/1
9/1
93/0
Explanation:
R
K
K
R
K
R
I don't really know the answer
1. Declare a variable named num with an
initial value of 0. Create a while loop that
will print "Keep going" as long as the value
of num is less than 5. Use window.alert()
for displaying the output.
2. Create a function named showProd that
returns the product of n1 and n2.
3. Using the new keyword, create an array
named info with three (3) values: your first
name, your nickname, and your last name.
Answers
The code to
Declare a variable and increment with a while loop until the variable is not less than 5Create a function that returns the product of two numbersUses the new keyword to create an arraywere written in JavaScript and are found in the attached images
Declaring a variableThe first code declares a variable called num and gives it an initial value of 0. It then enters a while loop that lauches a message box (using window.alert) to print the message "Keep going" as long as num remains less than 5.
If nothing is done within the loop to increment num towards the value 5, the loop will go on endlessly notifying the user to "Keep going".
So, an increment of 1 was added to the loop body to increment the variable num. This makes sure the loop terminates.
Creating a function that returns the product of two numbersHere, a function was created that receives two arguments (n1 and n2), then returns the product (n1 * n2)
Declaring an ArrayThis last code segment creates an array using the new keyword. The new keyword is generally used in constructing objects.
In this case the object constructed is an array having three strings;
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1. (16 points) True or False, one point each, Write down F (false) or T (true). ___ (01) In a mechanical design, it is recommended to use standard size/dimension to overcome uncertainties in stress or material strength
Answers
Answer:
True
Explanation:
I looked it up
Answer:
true
Explanation:
2-design a set of simple test programs to determine the type compatibility rules of a c compiler to which you have access. Write a report of your findings
Answers
When designing a set of simple test programs to determine the type compatibility rules of a C compiler to which you have access, it is important to consider the different data types that are used in C programming. An example of a set of test programs that can be used to determine the type compatibility rules of a C compiler:
Integer Test the compatibility of the C compiler with integer data types. It declares two variables of type int, initializes them with values, and then adds them together. The result is printed to the screen. If the program compiles and runs without any errors, then the C compiler is compatible with integer data types.
Floating-Point Test the compatibility of the C compiler with floating-point data types. It declares two variables of type float, initializes them with values, and then adds them together. The result is printed to the screen. If the program compiles and runs without any errors, then the C compiler is compatible with floating-point data types.
By running the set of simple test programs described above, you can determine the type compatibility rules of a C compiler to which you have access. If any of the programs do not compile or run without errors, then you can determine which data types are not compatible with the C compiler and adjust your code accordingly.
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Tiny hydrogen bubbles are being used as tracers to visualize a flow. All the bubbles are generated at the origin (x = 0, y = 0). The velocity is unsteady and obeys the equations: u = 1 m/s v = 2 m/s 0 ≤ t < 2 s u = 0 m/s v = −1 m/s 2 s ≤ t ≤ 4 s Plot the pathlines of bubbles that leave the origin at t = 0, 1, 2, 3, and 4 s. Mark the locations of these five bubbles at t = 4 s. Use a dashed line to indicate the position of a streakline at t = 4 s
Answers
Answer:
for t = 1 : ( x1 , y1 ) = (1,2)
for t = 2 : ( x2, y2 ) = (2,4)
for t = 3 : ( x3, y3 ) = ( 0,-3)
for t = 4 : ( x4, y4 ) = ( 0,-4)
Explanation:
Attached below is the detailed solution and the sketch
we have to make assumptions for the various values of t and integrate accordingly
for t = 1 : ( x1 , y1 ) = (1,2)
for t = 2 : ( x2, y2 ) = (2,4)
for t = 3 : ( x3, y3 ) = ( 0,-3)
for t = 4 : ( x4, y4 ) = ( 0,-4)
Given data :
origin ( x = 0, y = 0 )
u = 1 m/s, v = 2 m/s,
\(0 \leq t < 2s\) where u = 0 m/s v = -1 m/s
1) I love to swim. 2) A few years ago, my new year's resolution was to become a faster swimmer. 3) First, I started eating better to improve my overall health. 4) Then, I created a training program and started swimming five days a week. 5) I went to the pool at my local gym. 6) To measure my improvement, I tried to count my laps as I was swimming, but I always got distracted and lost track! 7) It made it very hard for me to know if I was getting faster. 8) This is a common experience for swimmers everywhere. 9) We need a wearable device to count laps, calories burned, and other real-time data. Summarey of the story
Answers
True or false?Inventory-risk costs are a form of carrying costs.
Answers
or...................
Answer:
i believe it is true
Explanation:
Your vehicle is/ are not part of regulated safety system 
Answers
Answer:
Amends the FMVSS on air brake systems to improve the stopping distance performance of truck tractors. The rule requires the vast majority of new heavy truck tractors to achieve a 30 percent reduction in stopping distance compared to currently required levels. For these heavy truck tractors (approximately 99 percent of the fleet), the amended standard requires those vehicles to stop in not more than 250 feet when loaded to their gross vehicle weight rating (GVWR) and tested at a speed of 60 miles per hour (mph). For a small number of very heavy severe service tractors, the stopping distance requirement will be 310 feet under these same conditions. In addition, this final rule requires that all heavy truck tractors must stop within 235 feet when loaded to their “lightly loaded vehicle weight” (LLVW).
Amends the FMVSS on air brake systems to improve the stopping distance performance of truck tractors. The rule requires the vast majority of new heavy truck tractors to achieve a 30 percent reduction in stopping distance compared to currently required levels. For these heavy truck tractors (approximately 99 percent of the fleet), the amended standard requires those vehicles to stop in not more than 250 feet when loaded to their gross vehicle weight rating (GVWR) and tested at a speed of 60 miles per hour (mph). For a small number of very heavy severe service tractors, the stopping distance requirement will be 310 feet under these same conditions. In addition, this final rule requires that all heavy truck tractors must stop within 235 feet when loaded to their “lightly loaded vehicle weight” (LLVW).
Answer:
power window controls
Explanation:
What lives at layer 3 (the network layer) of the OSI model?
Answers
Layer 3 of the OSI (Open Systems Interconnection) model, known as the network layer, is responsible for providing end-to-end communication between hosts in different networks.
The network layer is responsible for routing and forwarding data packets across different networks, as well as handling addressing and logical connectivity.
The main entities that live at layer 3 (the network layer) of the OSI model include:
Routers: Routers are network devices that operate at the network layer and are responsible for forwarding data packets between different networks. They use routing tables and protocols to determine the best path for data packets to reach their destination across multiple networks.
IP (Internet Protocol): IP is a network layer protocol that provides logical addressing and routing functionality. It is responsible for assigning unique IP addresses to devices on a network, and for routing data packets based on those IP addresses.
ICMP (Internet Control Message Protocol): ICMP is a network layer protocol that is used for sending error messages and operational information about network conditions. It is often used for diagnostic purposes, such as ping and traceroute, to check the connectivity and status of network devices.
Network Addressing: Layer 3 is also responsible for assigning and managing IP addresses, which are used to uniquely identify devices on a network.
Subnetting and VLANs: Layer 3 may also involve subnetting and VLANs (Virtual Local Area Networks), which are used for network segmentation and management to improve efficiency and security.
In summary, layer 3 of the OSI model includes routers, IP, ICMP, network addressing, and other protocols and technologies that are responsible for routing, addressing, and logical connectivity in a network.
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describe two advances in architecture and engineering during the renaissance.
Answers
During the Renaissance period, numerous advances were made in the fields of architecture and engineering. Two notable advances in architecture and engineering during the Renaissance were Linear Perspective and refinement of Dome Structures.
1. Linear perspective is a mathematical technique used to create the illusion of space on a flat surface. Linear perspective was developed in the Renaissance period by Filippo Brunelleschi. This technique is used to give the viewer a sense of depth and distance in the artwork.
2. In the Renaissance period, dome structures were a popular form of architecture. The dome structures were made possible through the use of advanced mathematical techniques. The dome structures were not only beautiful but also functional. They allowed for the construction of large open spaces without the need for support columns. This made it possible to create large open spaces for public buildings such as churches. The dome structures were created using the latest materials and techniques, which allowed for the creation of complex shapes and structures. This was a major advancement in the field of architecture and engineering.
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People tend to self-disclose to others that are in age, social status, religion, and personality.
Answers
Answer:people tend to do this when they are in a different environment they lose something or just have something going on in their life
Explanation:
A bronze bushing 60 mm in outer diameter and 40 mm in inner diameter is to be pressed into a hollow steel cylinder of 120-mm outer diameter. Calculate the tangential stresses for steel and bronze at the boundary between the two parts
Answers
Answer:
The tangential stress for the steel at 30mm = 88.8MPa.
The tangential stress for the steel at 60mm = 35.5 MPa.
The tangential stress for the bronze at 20mm = - 191.9 MPa.
The tangential stress for the bronze at 30mm = - 138.6 MPa.
Explanation:
The outer radius bronze bushing = 60 mm/2 = 30 mm, the inner radius for bronze bushing = 40mm/2 = 20mm and the cylinder radius = 120mm/2 = 60mm.
Step one: The first step is to calculate or Determine the interface pressure.
The interface pressure = 0.05/ [ [ 30 × ( 1/210 ×10⁹) ] × [( 60² + 30²/ ( 60² - 30²) + 0.3 ] + [ 1/105 × 10⁹× [ ( 20² + 30²)/( 30² - 20²) - 0.3] ].
The interface pressure = 53.3 MPa
Step two: Determine the tangential stresses for steel and bronze as given below:
The tangential stress for the steel at 30mm = 10⁶ × 53.3 [ ( 0.06)² + (0.03)²/ ( 0.06)² - (0.03)² ] = 88.8 MPa.
The tangential stress for the steel at 60mm = 10⁶ × 53.3 × 2 × [0.03]²/ ( 0.06)² - (0.03)² ] = 35.5 MPa.
The tangential stresses for the bronze is calculated below;
=> The tangential stress for the bronze at 20mm = - [ 10⁶ × 53.3 × 2 × [0.03]² ] / ( 0.03)² - (0.02)² ] = - 191.9 MPa.
The tangential stress for the bronze at 30mm = - [ 10⁶ × 53.3 × [ 0.03]² + (0.03)² ] / ( 0.03)² - (0.02)² ] = - 138.6 MPa.
1. Which of the following is an example of blocking?
O Repressurizing valves
Raising machine components
Clamping springs
O Tagging belts
Answers
An example of blocking is repressurizing valves. The correct option is a.
What is blocking?Blocking means stopping something from coming or going somewhere. Controlling the pressure and flow within a piping system. Regulating the flow's direction within a piping system. Reducing the flow rates in a system of pipes. Enhancing security by reducing vacuum or pressure in a pipe system.
Valves have a wide range of applications, including controlling water flow for irrigation, industrial process control, and residential uses like on/off and pressure control for dishwashers, washers, and faucets.
Therefore, the correct option is a. Repressurizing valves.
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A certain practical dc voltage source can provide a current of 5 A when it is (momentarily) short- circuited, and can provide of 35 W to a 20 Ω
load. Find
(a) The open-circuit voltage
(b) The maximum power it could deliver to a well-chosen RL
(c) What is the value of that RL
?
Answers
(a) The open-circuit voltage is 25 V.
(b) The maximum power it could deliver to a well-chosen RL is 28.75 W.
(c) The value of that RL is 7.5 Ω.
Calculation of Voltage, Power and Resistance(a) The open-circuit voltage is calculated using Ohm's Law:
V = I × R
V = 5 A × 0 Ω (since the source is momentarily short-circuited)
V = 25 V
(b) The maximum power it could deliver to a well-chosen RL is calculated using the equation:
P = V2/R
P = (25 V)2/R
P = 625/R
R = 625/P (where P is the power delivered to the load, i.e. 35 W)
R = 17.86 Ω
(c) The value of that RL is calculated using the equation:
R = V2/P
R = (25 V)2/35 W
R = 7.5 Ω
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Explain why a project team would choose to prepare a low-fidelity version of a Web site design using sticky notes
Answers
A project team may choose to prepare a low-fidelity version of a website design using sticky notes for several reasons:
Sticky notes allow for quick and easy changes. Since they are easy to move around and modify, the team can iterate on the design quickly, making adjustments and improvements without investing significant time or resources. This promotes an iterative design process, enabling the team to refine and enhance the design rapidly.Collaboration and Communication: Sticky notes facilitate collaboration and communication among team members. They can be easily placed on a whiteboard or a wall, allowing everyone to visualize and discuss the design together. Team members can share their ideas, suggestions, and feedback by directly manipulating the sticky notes, fostering effective communication and collaboration within the team.Low Cost and Accessibility: Sticky notes are affordable and readily available, making them a cost-effective option for creating prototypes. Compared to digital design tools or high-fidelity prototypes, sticky notes are inexpensive and accessible to all team members, regardless of their technical expertise. This inclusivity encourages participation from different stakeholders and promotes a diverse range of perspectives during the design process.Focus on Conceptual Design: Low-fidelity designs with sticky notes primarily focus on the conceptual aspects of the website, such as layout, content organization, and user flow. By avoiding intricate details or visual aesthetics, the team can concentrate on the fundamental structure and functionality of the design. This allows for early validation and testing of design concepts before investing significant time and resources in higher-fidelity prototypes.Emphasis on User Experience: Sticky notes enable the team to simulate user interactions and test the usability of the design. By physically moving and rearranging the sticky notes, the team can simulate user flows and assess the user experience. This hands-on approach allows for early identification of potential usability issues, leading to design improvements and a better user experience.
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The maximum voltage in a cooling system should not exceed ______ volts.
Answers
Answer:2%
When the voltages between the three phases are not equal, the current increases dramatically in the motor winding's, and if allowed to continue, the motor will be damaged.
Explanation:
2. A silo (base not included) is to be constructed in the form of a cylinder surmounted by a hemisphere. The cost of construction per square unit
of surface area is twice as great for the for the hemisphere as it is for the cylindrical side wall. Determine the dimensions to be used if the volume is fixed and the cost of construction is to be kept to a minimum. Neglect the thickness of the silo and waste in construction.
Answers
An extremum is a point where the function has its highest or lowest value, and at which the slope is zero.
The dimensions to be used if the volume is fixed and the cost of construction is to be kept to a minimum is as follows;
Height of cylinder = 2 × Radius of cylinderReason:
The given parameters are;
Form of silo = Cylinder surmounted by a hemisphere
Cost of construction of hemisphere per square unit = 2 × The cost of of construction of the cylindrical side wall
Required:
The dimensions to be used if the volume is fixed and the cost of construction is to be kept to a minimum
Solution:
The fixed volume of the silo, V, can be expressed as follows;
\(V = \pi \cdot r^2 \cdot h + \dfrac{2}{3} \cdot \pi \cdot r^3\)
\(h = \dfrac{V - \dfrac{2}{3} \cdot \pi \cdot r^3 }{\pi \cdot r^2 }\)Where;
h = The height of the cylinder
r = The radius of the cylinder
The surface area is, Surface Area = 2·π·r·h + 2·π·r²
The cost, C = 2·π·r·h + 2×2·π·r² = 2·π·r·h + 4·π·r²
Therefore;
\(C = 2 \times \pi \times r\times \dfrac{V - \dfrac{2}{3} \cdot \pi \cdot r^3 }{\pi \cdot r^2 } + 4 \cdot \pi \cdot r^2 = \dfrac{8 \cdot r^3 \cdot \pi + 6 \cdot V}{3 \cdot r}\)
\(C = \dfrac{8 \cdot r^3 \cdot \pi + 6 \cdot V}{3 \cdot r}\)At the minimum value, we have;
\(\dfrac{dC}{dr} =0 = \dfrac{d}{dr} \left(\dfrac{8 \cdot r^3 \cdot \pi + 6 \cdot V}{3 \cdot r} \right) = \dfrac{16 \cdot r^3 \cdot \pi - 6 \cdot V}{3 \cdot r^2}\)Which gives;
16·π·r³ = 6·V
\(V = \dfrac{16 \cdot \pi \cdot r^3}{6} = \dfrac{8 \cdot \pi \cdot r^3}{3}\)Which gives;
\(h = \dfrac{\dfrac{8 \cdot \pi \cdot r^3}{3} - \dfrac{2}{3} \cdot \pi \cdot r^3 }{\pi \cdot r^2 } = 2 \cdot r\)
h = 2·r
The height of the silo, h = 2 × The radius, 2
Therefore, the dimensions to be used if the volume is fixed and the cost is to be kept to a minimum is, height, h = 2 times the radius
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Assume that $500 is deposited today, two years from now, four
years from now, six years from now, and eight years from now. At a
10% interest compounded annually, determine the future value at the
end of year 9.
Answers
Using the compound interest formula, we can calculate the future value of each deposit:
- Deposit today: $500
- Future value after 2 years: $500 * (1 + 0.1)^2 = $661
- Future value after 4 years: $500 * (1 + 0.1)^4 = $864
- Future value after 6 years: $500 * (1 + 0.1)^6 = $1,134
- Future value after 8 years: $500 * (1 + 0.1)^8 = $1,480
To find the total future value at the end of year 9, we need to add up the future values of each deposit and then let it earn interest for one more year:
$500 + $661 + $864 + $1,134 + $1,480 = $4,639
So the total value of the deposits at the end of year 9, with 10% interest compounded annually, is $4,639. Interest refers to a person's curiosity, passion, or engagement in a particular activity, topic, or subject. It is an emotional and cognitive state that motivates individuals to seek out and engage in activities that they find enjoyable or rewarding. Interests can range from hobbies, sports, and artistic pursuits, to academic or career-related topics.
Having a strong interest in something can provide a sense of purpose, fulfillment, and satisfaction. It can also lead to the development of expertise and mastery in a particular area, and can even inspire individuals to pursue related careers or paths in life. Interests can change over time and can be influenced by a variety of factors, including personal experiences, exposure to new ideas, and cultural influences.
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Which of the following is NOT a line used on blueprints?
Answers
Answer: Photo lines
Explanation: made more sense
Hey everyone!
This question is hard.
What specific fluid goes in the windshield wipers? (I never drove a car before)
And how much to put in fluid ounces? (So you don't blow a car up)
Answers
I’ve never driven either. But I’m pretty sure there is not really specific fluid you have to use. Just to name a few are Rain-X Bug Remover Windshield Washer Fluid, Prestone AS657 Deluxe 3-in-1 Windshield Washer Fluid.
For how much, there should be a little line or 3/4th of the way full.
Hope this helps!
Answer:
What specific fluid goes in the windshield wipers.
Distilled water
How much to put in fluid ounces?
There should be a tiny bit more than 3/4 of the way full.
During gait the body is gaining speed:____.
a. during terminal stance
b. during mid stance
c. during initial swings
d. at mid stance event
Answers
During gait the body of a living organism is gaining speed: a. during terminal stance.
What is physical fitness?Physical fitness can be defined as a measure of both the physical and mental soundness (wellness) or ability of an individual to engage in physical exercises, sports, work and other day-to-day activities.
For instance, one of the ways in which an individual can model good physical fitness to other individuals in their neighborhood is by:
Riding their bikes to school or work.Walking with a slow, stiff gait.What is gait?Gait can be defined as the way and manner in which an animal or individual walks or runs, thereby affecting and altering the shape of the body.
In this context, we can infer and logically deduce that during gait the body of a living organism is gaining speed, especially during terminal stance.
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technician a says that tire pressure will drop 1 psi for every 10 degrees drop in temperature. technician b says that the two types of tpms pressure sensors are snap-in and clamp-in. which technician is correct?
Answers
Tire pressure typically drops 1 psi for every 10 degrees drop in temperature. Technician B is also correct, as there are two types of TPMS pressure sensors: snap-in and clamp-in. Hence Technician A is correct.
According to the given information,
The technician says that tire pressure will drop 1 psi for every 10 degrees drop in temperature. Technician b says that the two types of TPMS pressure sensors are snap-in and clamp-in. So, technician a is correct about the drop in tire pressure with the drop in temperature, and technician b is correct about the types of TPMS pressure sensors.Tire Pressure Monitoring System (TPMS) is an electronic system that helps to monitor the air pressure of the tires of the vehicle.
TPMS was introduced to help drivers know when their tire pressure is too low, which could lead to an accident.The TPMS system will warn the driver when the pressure of the tire is 25% or more below the manufacturer's recommended tire pressure.Two types of TPMS pressure sensors are Snap-In and Clamp-In:
The snap-in sensors have a rubber snap-in valve that comes with the sensor. The clamp-in sensors have a metal clamp that fastens the sensor to the wheel rim.To get a similar answer on Tire Pressure Monitoring Systems:
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under nfpa 70e the appropriate ppe for arc flash can be determined by
Answers
Under NFPA 70E, the appropriate PPE for arc flash can be determined by conducting an arc flash hazard analysis which takes into consideration factors such as the incident energy level, working distance, and equipment ratings. This analysis helps to determine the appropriate level of protection needed for workers and ensures that they are equipped with the appropriate PPE, such as flame-resistant clothing, face shields, and gloves, to protect them from the potential hazards of arc flash.
The key factors considered in determining the appropriate PPE for arc flash include:
1. Incident Energy Analysis: This involves calculating the potential thermal energy released during an arc flash event at various locations within the electrical system. The incident energy is typically measured in calories per square centimeter (cal/cm²).
2. Arc Flash Boundary: The arc flash boundary is the distance from the arc source within which a worker could receive a second-degree burn (1.2 cal/cm²). It helps define the safe working distance and determines the level of PPE required for workers within that boundary.
3. PPE Categories: NFPA 70E defines PPE categories (ranging from 1 to 4) based on the incident energy level at a specific location. Each category specifies the minimum arc rating (expressed in cal/cm²) required for the PPE ensemble to protect against arc flash hazards.
By conducting the arc flash risk assessment and determining the incident energy levels at various locations within the electrical system, employers can identify the appropriate PPE category and select the corresponding PPE ensemble to provide adequate protection for workers against arc flash hazards. It is important to follow the guidelines and recommendations provided by NFPA 70E and consult with qualified electrical safety professionals to ensure compliance and worker safety.
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1. Remove the starter holder
2. Perform house keeping
3. Remove the ballast on the body.
-4. Unplug the male plug from the outlet.
5. Remove the 40-watt fluorescent lamp and the starter.
_6. Remove the lamp holders by untightening the bolt and nut.
-7. Disconnect the terminals from the ballast, starter holder and male plug.
Answers
Answer:
option 6
Explanation:
A machine is required to produce an output force of 600 newtons. If the machine has a mechanical advantage of 6, what input force must be applied to the machine?.
Answers
The input force that must be used if the machine has a mechanical advantage of 6 is 600 N / 6 = 100 N. Output / Input = MA
When a force of 500 N is supplied to a machine, what mechanical advantage does the machine have when applying a force of 1000 N to an object?The efficiency of a machine is 80%. How much labor must be put into the machine for it to produce 50,000 J of work? The mechanical advantage of a machine is 4.5.
How is output force determined?Simply multiply the input force by the mechanical advantage ratio to determine the output force.
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Considering how likely the risk is to affect the company’s profits is part of which component of risk management?
Risk identification
Risk assessment
Risk control
Risk mitigation
Answers
An Otto cycle with air as the working fluid has a compression ratio of 8.2. Under cold air standard conditions, what is the thermal efficiency of this cycle?
Answers
Answer:
Under cold air standard conditions, the thermal efficiency of this cycle is 56.9 percent.
Explanation:
From Thermodynamics we remember that thermal efficiency of the ideal Otto cycle (\(\eta_{th}\)), dimensionless, is defined by the following formula:
\(\eta_{th} = 1-\frac{1}{r^{\gamma-1}}\) (Eq. 1)
Where:
\(r\) - Compression ratio, dimensionless.
\(\gamma\) - Specific heat ratio, dimensionless.
Please notice that specific heat ratio under cold air standard conditions is \(\gamma = 1.4\).
If we know that \(r = 8.2\) and \(\gamma = 1.4\), then thermal efficiency of the ideal Otto cycle is:
\(\eta_{th} = 1-\frac{1}{8.2^{1.4-1}}\)
\(\eta_{th} = 0.569\)
Under cold air standard conditions, the thermal efficiency of this cycle is 56.9 percent.
what is an example of value created through the use of deep learning
Answers
Many examples of value created through deep learning are Visual reality, entertainment, healthcare, etc
What are the examples of value created through the use of deep learning?
Virtual assistants today are as powerful as a human at your disposal. At the command of your voice, they can take notes, perform actions, and even make suggestions.
Deep learning has aided the process of creating, publishing, and distributing entertainment media. Human body language analysis using cameras has made it easier to create virtual characters. Deep video analysis has sped up the editing, audio-video synchronization, and transcription processes. Deep Learning is revolutionizing filmmaking.
AI in healthcare can improve preventive care and quality of life, produce more accurate diagnoses and treatment plans and lead to overall better patient outcomes. AI can also predict and track the spread of infectious diseases by analyzing data from government, healthcare, and other sources.
Hence to conclude above examples are value-added ones for deep learning
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Which of these is the number of degrees of crankshaft rotation for which the valve is
lifted off the seat?
A. Duration
B. Lift
C. Overlap
D. Underlap
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A type of electrical tape used to provide a protective overwrap for high-voltage cable is _________________________.
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A type of electrical tape used to provide a protective overwrap for high-voltage cable is high temp silicone rubber.
What is high temperature silicone rubber?High Temperature Vulcanizing Silicone Rubber is another name for Heat Cured Rubber Elastomers (HTV).
They're made of reactive silicone gums, or straight chains of very high molecular weight macromolecules with various reactive groups.
High temperature limits for silicone seals and gaskets are typically 400° F to 450° F and low temperature limits are -65° F to -100° F.
As a result, silicone is the preferred material for applications requiring high temperatures.
A category of electrical tape that is utilized as a barrier protection overwrap for high-voltage cable is high temp silicone rubber.
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