EEI TECH EEI Tech Trainer 3

Question 1

Using Ohm's law, what is the current through a circuit with 12 volts and 4 ohms of resistance?

Accepted Answer

3 amps

Answer

48 amps

Answer

8 amps

Answer

0.33 amps

Question 2

A lever has its fulcrum closer to the load than to the effort. This arrangement primarily provides:

Accepted Answer

Increased mechanical advantage to lift heavy loads

Answer

Increased speed

Answer

No advantage

Answer

Reduced force output

Question 3

A graph shows temperature flattening into a horizontal line over time. What does the horizontal portion indicate?

Accepted Answer

Temperature is holding steady

Answer

Temperature is rising

Answer

Temperature is falling

Answer

The graph is broken

Question 4

A technician must follow a written work order that lists steps in numbered sequence. Why is following the exact order important?

Accepted Answer

Steps may depend on prior steps for safety and correctness

Answer

It looks more professional

Answer

It uses fewer tools

Answer

Order never matters

Question 5

Three resistors of 6 ohms each are connected in parallel. What is the total resistance?

Accepted Answer

2 ohms

Answer

18 ohms

Answer

6 ohms

Answer

3 ohms

Question 6

A crew lays 0.5 miles of cable per hour. How long to lay 4 miles?

Accepted Answer

8 hours

Answer

2 hours

Answer

4 hours

Answer

16 hours

Question 7

On a meter scale, the needle rests exactly between the 20 and 30 marks. What is the most accurate reading?

Accepted Answer

25

Answer

20

Answer

30

Answer

50