Free API API-SIEE Practice Exam Questions and Answers 2026

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Total 111 Questions | Updated On: Apr 04, 2026

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Question 1

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

A : basic impulse level.

B : AC high potential.

C : DC high potential.

D : nominal voltage.

Answer: A

Question 2

Within the context of NEMA ICS 1, which of the following describes PD 3?

A : Moisture occurs continuously, dust quantity becomes conductive when moist, and pollution is sufficient to cause tracking and erosion at a high rate

B : Moisture occurs occasionally, dust quantity is sufficient to become conductive when moist and pollution is sufficient to cause tracking or erosion at a slow rate

C : Moisture does not occur, always dry, dust insignificant and no effect from pollution

D : Moisture occurs frequently, dust quantity is sufficient to become conductive when moist, and pollution is sufficient to cause tracking or erosion at a moderate rate

Answer: D

Question 3

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

A : Inspection

B : Examination

C : Quality Control

D : Quality Assurance

Answer: A

Question 4

According to the referenced API standard in the guide, special purpose induction motors covered by API STD 541 are:

A : 100 hp and larger

B : 250 hp and larger

C : 375 kW (500 hp) and larger

D : 1000 kW and larger only

Answer: C

Question 5

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

A : power factor.

B : real power.

C : apparent power.

D : mho.

Answer: A

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Total 111 Questions | Updated On: Apr 04, 2026

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