NMJ 40303 Reliability and Failure Analysis Assignment 2 (2.5%) Due Date: 29 May 2021 (11.59 pm) ASSIGNMENT QUESTIONS Failure modes: 1. Leakage current (metal line) 2. Shorts 3. Leakage current (dielectric) EVALUATE THE TOOLS AND TECHNIQUES USED TO LOCALIZE ANY ONE OF THE FAILURES (INCLUDE THE PROS AND CONS FOR EACH OF THE TECHNIQUES). FORMAT: 1. ANSWERS MUST BE HAND-WRITTEN IN TABLE FORM 2. NO. OF PAGES: 1-2 PAGES (IN PDF)

Answer:

I think it's 23 ohms.

Explanation:

Not entirely sure about it.

hope this helps

When plugging in a light source, hot plate, microscope or other electrical device, the power cord should be placed in such a way that there are no obstructions on its path.

It should also be easily accessible, and in a location that is easy to see and reach. The power cord should never be placed in a location where it could be pinched or twisted, or where it could become tangled with other cords or cables.

Additionally, the power cord should be kept away from sources of heat, moisture, or chemicals that could cause damage to the cord or the device it is attached to.

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Answer:

represnt

Explanation:

Answer:

(a) The volume flow rate of the refrigerant at the inlet is 0.3078 m3/s

(b) The mass flow rate of the refrigerant is 2.695 kg/s

(c) The velocity and volume flow rate at the exit is 6.017 m/s

Explanation:

According to the given data we have the following:

diameter of the pipe=d=28 cm=0.28 m

inlet pressure P1=200 kPa

inlet temperature T1=20°C

inlet velocity V1=5.5 m/s

Exit pressure P2=180 kPa

Exit Temperature T2=40°C

a. To calculate the volume flow rate of the refrigerant at the inlet we would have to use the following formula:

V1=AV1

=π/4(0.28∧2)5

V1=0.3078 m3/s

b. To calculate the mass flow rate of the refrigerant we would have to use the following formula:

m=p1 V1

m=V1/v1

=0.3078/0.11418

=2.695 kg/s

c. To calculate the velocity and volume flow rate at the exit we would have to use the following formula:

m=m1=m2

V1/v1=V2/v2

V2=(v2/v1)v1

=(0.13741/0.11418)5

=6.017 m/s

A fraternity house with 40 occupants is considered a Group A fraternity house with 40 occupants is considered a Group R-2 occupancy. The correct option is B.

Fraternity and sorority housing in North America primarily refers to the residences or communities where members of these organizations live and socialize. Fraternity and sorority housing can serve as a place to live as well as a place to host social events, meetings, and community-oriented activities.

When there are 40 residents living in a fraternity house, it is referred to as a Group R-2 occupancy. Therefore, based on the information, the correct option is B.

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Answer:

A)

Explanatio

el cerebro es como un disco duro en el que guardas informasion

I would be happy to help you with your question regarding Mechanical Engineering. I am unable to provide a detailed answer that incorporates the terms "Mechanical Engineering" and "reference."

Mechanical engineering is a branch of engineering that deals with the design, development, and maintenance of mechanical systems, machines, and equipment. It is a broad field that encompasses many different specialties, including automotive engineering, aerospace engineering, manufacturing engineering, and robotics engineering. Mechanical engineers use their knowledge of physics, mathematics, and materials science to design and analyze mechanical systems and devices. They work on a wide range of projects, from developing new engines and power generators to designing prosthetic limbs and medical devices.

Mechanical engineering plays a critical role in many industries, such as automotive, aerospace, defense, energy, and manufacturing. It is a constantly evolving field, with new technologies and innovations emerging all the time, and mechanical engineers must stay up-to-date with the latest developments to ensure that their designs are safe, efficient, and effective.

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OASIS-C is a data set that is a requirement under Medicare for home health.

OASIS stands for "Outcome and Assessment Information Set" and is a standardized data set that is used to collect information about patients receiving home health services. The data collected through OASIS-C is used to evaluate patient outcomes and to determine reimbursement for home health services. This data set includes information about the patient's health status, functional abilities, and care needs. It also includes information about the home health agency providing the care and the services that are being provided. OASIS-C is an important tool for ensuring that patients receive appropriate and effective home health care, and for monitoring the quality of care provided by home health agencies. The data collected through OASIS-C is used to support research and analysis of home health care outcomes, and to inform policy decisions related to home health care.

Overall, the use of standardized data sets like OASIS-C is an important part of ensuring high quality health care for patients and improving health outcomes across the healthcare system.

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Answer:

  c.  25 μA

Explanation:

The dependent current source means that 31 times i1 will flow through the 6kΩ resistor, effectively increasing its voltage drop to 31 times that which would result from i1 alone. In effect, the 6kΩ resistor behaves in the left-side circuit loop as though it were 31×6kΩ = 186kΩ (with no dependent current source).

Then the current i1 is equivalent to that created by a 5+1 = 6V source through a 54kΩ +186kΩ = 240kΩ circuit impedance.

  (6V)/(240kΩ) = 25 μA

_____

Additional comment

The voltage across the 6kΩ resistor is (186/240)·6V = 4.65V, and the 25 μA current generates a voltage of 30·(25 μA)(1.8kΩ) = 1.35V across the 1.8kΩ resistor. This means the voltage source at the right side of the diagram needs to be at least 4.65 +1.35 = 6.0V in order to support the calculated voltage drops.

Answer:

Technician B is correct

Explanation:

Grounding of component can be done by either connecting its positive  terminal  to a metal frame and then connecting its negative wire to the ground  and not  by mounting it on a major metal part hence Technician B is correct while Technician B is incorrect .

Electrical grounding is an alternate route created to allow excess current entering an equipment to go the ground without destroying the component

Answer:

SpaceX

Explanation:

SpaceX successfully launches 60 more Starlink satellites as it continues towards 2020 service debut. SpaceX has launched another big batch of Starlink satellites, the low Earth orbit spacecraft that will provide connectivity for its globe-spanning high-bandwidth broadband internet network.

Answer:

A) F = 0.011 N

B) ΔP = 5.6 N/m²

Explanation:

We are given;

surface tension coefficient; S = 0.07 N/m

Radius; r = 2.5 mm = 0.025 m

A) Formula to find the surface tension force(F) is given by;

F = SL

Where L is effective length = 2πr

F = 0.07 × 2π × 0.025

F = 0.011 N

B) Formula for difference in pressure droplet is;

ΔP = 2S/r

Thus;

ΔP = (2 × 0.07)/0.025

ΔP = 5.6 N/m²

Answer:

  100 μs

Explanation:

The Thévenin equivalent source impedance is the parallel impedance of the two resistors, so 50 ohms. The R·C product is then ...

  (50 ohms)(2 microfarads) = 100 microseconds

Answer:

Option D, Ground Wire

Explanation:

Oleg is a mustimeter or multi tester or a basic voltage tester which is used to test the ground. The main purpose of the tester is to ensure that the outlet is connected to the ground of the circuit, thereby ensuring its proper functioning.

Hence, option D is correct

The correct answer is d) unknown.

If a low-pass RL filter has a cutoff frequency of 20 kHz, its bandwidth would be unknown (option d).

The bandwidth of a filter is typically defined as the range of frequencies over which the filter exhibits a specified level of performance. In the case of a low-pass filter, the cutoff frequency is the frequency at which the filter begins to attenuate the signal.

The bandwidth of a low-pass filter is typically determined by the difference between the cutoff frequency and the lowest frequency at which the filter provides a significant level of attenuation. In this case, the information about the lowest frequency is not provided, so we cannot determine the exact bandwidth.

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The sections of piping immediately upstream and downstream of a primary flow measuring device are known as the "straight run."

The straight run refers to the lengths of piping that are required to be present immediately upstream and downstream of a primary flow measuring device. These sections of piping are necessary to ensure that the flow profile is fully developed and unaffected by any disturbances caused by bends, fittings, or obstructions in the pipe. The straight run allows the fluid to flow smoothly and uniformly before entering or exiting the flow measuring device, ensuring accurate and reliable measurements.

By providing sufficient straight run lengths, the flow profile becomes stable, minimizing turbulence and disturbances that could impact the accuracy of the flow measurement.

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Stairs, ladders, or ramps are required at an elevation break of 19 inches or more.

This is to ensure the safety of those who use the facility, particularly people with disabilities. If there is a level change of more than 19 inches, it is suggested that a ramp or elevator be installed to make it more accessible. Ramps, ladders, and stairs are vital components of any building or construction that has an elevation break of 19 inches or more. Their function is to offer a secure and convenient way of accessing various floors within a facility, whether it's a residential or commercial structure.

The Americans with Disabilities Act (ADA) has laws that ensure that facilities are built to be accessible to individuals with disabilities. For instance, they provide guidelines on the minimum width of a ramp or the steepness of the stairs. This is to ensure that individuals who use a wheelchair or walker can easily navigate the building. If a building has an elevation break of more than 19 inches, then it is required to have a ramp that meets the guidelines of the ADA. This will make it easier for individuals with disabilities to move from one floor to the next.

Moreover, if the building is relatively large and has multiple floors, an elevator is recommended. The elevator will ensure that people with disabilities can quickly move around the building without any issues. In conclusion, stairs, ladders, or ramps are required at an elevation break of 19 inches or more. The ADA guidelines ensure that individuals with disabilities have access to all parts of the building. They stipulate the minimum width, height, and slope of a ramp, as well as the steepness of the stairs. When designing a building, it is crucial to consider these guidelines to make the facility accessible to all.

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Stairs, ladders, or ramps may be required at certain elevation breaks to ensure safe access between different levels.

In physics, when there is a change in elevation, stairs, ladders, or ramps may be required to provide a safe means of accessing different levels. The specific elevation break at which one of these options is required depedependsnds on various factors, such as the height and angle of the change in elevation, as well as any applicable building codes or regulations. For example, building codes may require the use of stairs for elevation breaks of a certain height, but ramps may be required for breaks above a certain threshold that accommodate individuals with mobility impairments.

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The FBD (Free Body Diagram) that is required to determine the internal forces at point J should include all external forces acting on the system and any reactions or forces present at point J.

This FBD will allow for the determination of the internal forces, such as shear forces and bending moments, at point J.
To determine the internal forces at point J, you need to draw a Free Body Diagram (FBD). In this FBD, you should include all the external forces acting on the object at point J, such as gravitational force, tension, friction, and any applied forces. Once you have drawn the FBD, you can use equilibrium equations (sum of forces in horizontal and vertical directions equals zero) to solve for the unknown internal forces. After finding the internal forces at point J, you can move on to the next part of your problem. Forces are physical quantities that describe the interactions between objects or systems. They can cause a change in motion or deformation in an object. Some common types of forces include gravitational force, electromagnetic force, frictional force, and normal force. Forces can be described by their magnitude, direction, and point of application. Newton's laws of motion provide a framework for understanding the behavior of objects under the influence of forces. Understanding forces is essential in many fields, including physics, engineering, and biomechanics, as it allows for the prediction and control of the behavior of systems under different conditions.

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Answer:

Efficiency is defined as any performance that uses the fewest number of inputs to produce the greatest number of outputs. Simply put, you're efficient if you get more out of less.

Explanation:

It is to be noted that in OSHA, reducing time lost due to injuries and accidents can lead to increased productivity and efficiency, improved financial performance, and better employee morale and retention.

The Occupational Safety and Health Act of 1970 established the Occupational Safety and Health Administration (OSHA) to safeguard employees' safety and health by creating and enforcing standards and providing training, outreach, information, and support.

Reducing time lost due to injuries and accidents can have a number of advantages for a business. By reducing injuries and accidents, a firm may save time and money on absenteeism, medical care, and workers' compensation claims. This can lead to enhanced production and efficiency, which can contribute to better financial performance.

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The commonly used supervised learning method is the k-nearest neighbors (k-NN) algorithm (a).

Among the options provided, the commonly used supervised learning method is the k-nearest neighbors (k-NN) algorithm.

The k-nearest neighbors algorithm is a classification algorithm where an unlabeled data point is assigned a label based on the majority vote of its k nearest labeled neighbors in the feature space. It is a simple and intuitive algorithm that relies on the principle that similar data points tend to belong to the same class.

On the other hand, hierarchical clustering, association rule development, and k-means clustering are unsupervised learning methods.

Hierarchical clustering groups data points based on their similarities, association rule development identifies relationships between variables, and k-means clustering partitions data into k clusters based on similarity.

Therefore, among the options, the commonly used supervised learning method is the k-nearest neighbors algorithm (a).

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Answer:

True.

Explanation:

The process of dismantling and inspecting a competitor's product to understand its design and functionality, and to discover opportunities for improvement or innovation is called "reverse engineering." It is a common practice in many industries, such as electronics, software, and automotive, to gain a competitive advantage or to understand the market.

It is true that building techniques using steel played an important role in promoting the decentralization of the urban area.

Building techniques using steel played an important role in promoting the decentralization of the urban area. Steel is a versatile and durable material that allows for the construction of high-rise buildings, bridges, and other structures that can support large populations. Steel allows for the construction of taller buildings with larger floor areas, which leads to more efficient land use. This, in turn, encourages the spreading out of urban areas, as businesses and residents can be accommodated in smaller footprints. This has enabled cities to expand vertically, rather than horizontally, which helps to reduce urban sprawl and preserve natural areas.

Additionally, steel construction is often faster and more cost-effective than traditional building methods, making it an attractive option for developers looking to build in urban areas.  Steel's strength and durability enable the creation of longer bridges and tunnels, connecting urban areas with their surrounding regions and promoting further decentralization. Overall, the use of steel in building techniques has been instrumental in promoting decentralization and sustainable urban development.

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The statement "Building techniques using steel played an important role in promoting the decentralization of the urban area" is true because this helped to decentralize urban areas by creating new opportunities for growth and expansion outside of the city center.

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To group the rocks into different categories based on their physical attributes. She conducted research on texture and composition.

Two criteria—TEXTURE and COMPOSITION—are used to categorize rocks. The sizes, shapes, and relationships between the many mineral grains and other components that make up a rock are what determine its texture. The process that created the rock controls these elements. Color, hardness, luster, crystal formations, density, and cleavage are characteristics that aid in the identification of minerals in rocks by geologists. Crystal structure at the atomic level principally determines crystal shape, cleavage, and hardness. The chemical makeup mostly determines color and density. The most prevalent physical characteristics are those related to crystal structure, color, hardness, cleavage, and specific gravity. Examining a mineral's crystal shape is one of the finest ways to identify it.

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Answer:

Rocks

Explanation:

I am not sure tho bc they are made out of coal and I think coal is a kind of rock

Answer:

I'm taking a guess for ya I shall say Metal or and Minerals

Explanation:

Good luck

Answer:

bye hooking plugs up to it to amp it up

Technician A is correct because the automotive batteries can be recycled and the materials used to make new batteries.

Materials present in the battery;

Lead-acid batteries are used to store chemical energies and they are highly recyclable.

To recycle a lead-acid battery, first step is to break it into smaller fragments such as lead, plastic coating and the toxic material (sulfuric acid).

Thus, we can conclude that Technician A is correct because the automotive batteries can be recycled and the materials used to make new batteries.

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