Question 1

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 2

Final inspection and shipping preparations of switchgear typically consists of verifying all of the following except:

Options :

A : all final manufacturing and drawing issues are closed.

B : correct engraving of unit and master nameplates.

C : visual inspection of packaging requirements.

D : all items on the manufacturer's QC checkout are signed off.

Answer: A

Question 3

Before starting surveillance, the source inspector should confirm that the supplier/vendor has:

Options :

A : only the latest code editions, regardless of contract requirements

B : the most current project documents specified in the engineering design

C : only verbal instructions from procurement

D : internal procedures but not drawings

Answer: B

Question 4

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

Options :

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

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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