Question 1

The cosine of the difference in phase angle between voltage and current is:

Options :

A : power factor.

B : real power.

C : apparent power.

D : mho.

Answer: A

Question 2

What does the second letter of the four-letter cooling code on liquid-immersed transformers identify?

Options :

A : Internal cooling medium in contact with the windings

B : Circulation mechanism for internal cooling medium

C : External cooling medium

D : Circulation mechanism for external cooling medium

Answer: B

Question 3

The highest voltage rating on a piece of medium voltage equipment is the:

Options :

A : basic impulse level.

B : AC high potential.

C : DC high potential.

D : nominal voltage.

Answer: A

Question 4

What is the process that aims to find potential defects in a product before it is released for delivery?

Options :

A : Inspection

B : Examination

C : Quality Control

D : Quality Assurance

Answer: A

Question 5

According to NFPA 70, abrasion protection shall be applied to what component where it passes through metal?

Options :

A : Conductor insulation

B : Rigid conduit

C : Secondary circuits

D : Semi-rigid conduit

Answer: A

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