Chapter 82 Flashcards

0
Q

An active current transformer should never:
A) be inspected until properly grounded
B) have its primary circuit opened
C) produce excessively high voltages
D) have its secondary circuit opened
E) have its secondary connected to a meter

A

D) have its secondary circuit opened

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1
Q
When AC action causes a counter current in a coil, it is termed:
A) self inductance
B) capacitance
C) hysteresis
D) current generation
E) electromagnetic induction
A

A) self inductance

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2
Q

Transformers are rated in terms of what two units?

A

VA, kVA

Not autobot and decepticons

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3
Q

Current transformers step down the current rather than the:

A

Voltage

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4
Q
Some of the fire hazards of transformer cooling can be compensated for by using:
A) chelates
B) antifoaming substances
C) florinated hydrocarbons
D) freons
E) organic compounds
A

C) florinated hydrocarbons

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