EEI TECH EEI Tech Trainer 4

Question 1

Electrical power in watts is calculated by which formula?

Accepted Answer

Voltage times current

Answer

Voltage divided by current

Answer

Current minus voltage

Answer

Resistance times time

Question 2

A wedge is an example of which simple machine principle?

Accepted Answer

An inclined plane that moves

Answer

A wheel and axle

Answer

A fixed pulley

Answer

A first-class lever

Question 3

A bar graph compares output across five teams. To find which team produced the most, you should look for:

Accepted Answer

The tallest bar

Answer

The shortest bar

Answer

The leftmost bar

Answer

The average of all bars

Question 4

A safety manual says PPE 'must be inspected before each use.' What does this require the worker to do?

Accepted Answer

Check the equipment for damage every time before using it

Answer

Inspect PPE only once a year

Answer

Replace PPE daily regardless of condition

Answer

Inspect PPE after use only

Question 5

If a transformer steps voltage down from 240V to 120V, the secondary voltage is what fraction of the primary?

Accepted Answer

One half

Answer

One quarter

Answer

Twice

Answer

Equal

Question 6

A motor draws 15 amps at 120 volts. What is its power consumption?

Accepted Answer

1,800 watts

Answer

135 watts

Answer

8 watts

Answer

240 watts

Question 7

Two workers carry a uniform plank by its ends. If a heavy box sits closer to one worker, that worker bears:

Accepted Answer

More of the weight

Answer

Less of the weight

Answer

Exactly half

Answer

None of the weight