- (A) low power factor wattmeter
- (B) unity power factor wattmeter
- (C) frequency meter
- (D) any type of wattmeter
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- (A) Core loss
- (B) Friction loss
- (C) Eddy current loss
- (D) Hysteresis loss
- (A) capacitive only
- (B) inductive only
- (C) inductive or resistive
- (D) none of the above
- (A) low voltage side of high kVA transformers
- (B) high frequency transformers
- (C) high voltage side of small capacity transformers
- (D) high voltage side of high kVA rating transformers
- (A) not change
- (B) decrease
- (C) increase
- (D) any of the above
- (A) Core insulation voltage test
- (B) Impedance test
- (C) Radio interference test
- (D) Polarity test
- (A) leading power factor
- (B) lagging power factor
- (C) unity power factor
- (D) zero power factor
- (A) primary is supplied rated voltage
- (B) primary is supplied full-load current
- (C) primary is supplied current at reduced voltage
- (D) primary is supplied rated kVA
- (A) primary turns to secondary turns
- (B) secondary current to primary current
- (C) secondary induced e.m.f. to primary induced e.m.f
- (D) secondary terminal voltage to primary applied voltage
- (A) core loss
- (B) copper loss
- (C) efficiency
- (D) magnetising current
- (E) magnetising current and loss
