Engineering High School

A feeder neutral with a load of 400 A would be permitted the demand factor applied to _____ of the load?
Explain your answer or give the number of the article NEC from which this answer follows...

Answers

Answer 1
According to section 220.61 of the National Electric Code (NEC), the demand factor for a feeder neutral with a load of 400 A would be applied to 100% of the load.
This means that the neutral conductor of a feeder supplying a continuous load is required to carry the full current of the load, and the demand factor cannot be applied to reduce the neutral current.
This is because in a continuous load situation, the neutral current is always equal to or greater than the phase current, and the neutral conductor must be sized accordingly to handle the full current of the load.
Therefore, the demand factor cannot be applied to a continuous load when sizing the neutral conductor of a feeder.
In summary, according to NEC section 220.61, the demand factor is not permitted to be applied to any part of the load for a feeder neutral, and the neutral conductor must be sized to carry the full current of the load.

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Answer: Fluids

Explanation:

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Two electricians are discussing the installation of switches in a house. Electrician A says that because the basement is consídered storage space, it isn't necessary to install three-way switches. Electrician B says that the attic lights must be controlled with three way switches, one placed at the bottom and one at the top of the nine steps. Which of the following statements is correct?

A. Oniy Electrician B is correct.
B. Only Electrician A is correct.
C. Neither electrician is correct.
D. Both electricians are correct.

Answers

Answer:

The correct answer is: Only Electrician B is correct.

Explanation:

Three-way switches are necessary for attic lights because they allow you to control the light from two different locations. This is important for safety reasons, as it allows you to turn the light on or off from the top or bottom of the stairs.

Electrician A is incorrect because three-way switches are not necessary for basement lights. This is because basements are typically not used as living spaces, and therefore do not need to be as safe as attics.

A. Only Electrician B is correct.

A three-way switch allows a light to be controlled from two different locations. In the case of the attic lights mentioned by Electrician B, it makes sense to install three-way switches because the light can be turned on or off from both the top and the bottom of the stairs. This is a common safety measure in homes to avoid accidents when going up or down the stairs.

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Installing a pressure gauge at the inlet and outlet of a pool's filter housing provides a means of determining when the filter needs to be serviced.

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The essential objective of an car climate control framework is to provide passenger comfort in as quick a time as possible.

What is the climate control system in a vehicle?

A vehicle's climate control system can keep the interior temperature comfortable and adjust airflow. Controlling humidity: Reduces moisture and prevents fogging. Filtering air: Removes pollutants and improves air quality. Defogging & defrosting: Improves visibility during bad weather.

Since warm streams in one heading as it were, from regions of tall temperature to temperature, the climate framework must make a stream by cooling the discuss underneath the surrounding discuss temperature.

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when a bullet is shot in the air the path transversed by bullet is called

Answers

Answer: The trajectory of the bullet is a parabola

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When you shoot a bullet up from a flat plane and never hit anything the bullet will eventually hit the ground due to gravity

Think in terms of shooting a basketball but really far, the balls path will make a parabola shape

Answer:

When a bullet is shot in air, the path traversed by bullet is called parabola.

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The possession or sale of an alcoholic beverage or an illegal controlled substance on school
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The possession or sale of an alcoholic beverage or an illegal controlled substance on school property is considered a serious offense and can lead to severe consequences. One of the potential consequences is failing high school. This is because schools have strict policies against substance abuse on their premises, and students who violate these policies can face disciplinary actions, which can include suspension or expulsion from school.

Failing high school can have significant negative impacts on a student's future prospects, as it can limit their opportunities for higher education and career advancement. Therefore, it is crucial for students to understand the seriousness of such actions and avoid engaging in any activities that involve the possession or sale of alcohol or illegal substances on school property.

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