- (A) lags behind the voltage by about 75°
- (B) leads the voltage by about 75°
- (C) lags behind the voltage by about 15°
- (D) leads the voltage by about 15°
Electrical Engineering Mcqs
- (A) has high magnitude and low power factor
- (B) has high magnitude and high power factor
- (C) has small magnitude and high power factor
- (D) has small magnitude and low power factor
- (A) load on it increases
- (B) load on it decreases
- (C) load remains constant
- (D) none of the above
- (A) at no load
- (B) at 50% full load
- (C) at 80% full load
- (D) at full load
- (A) nearly full load
- (B) 70% full load
- (C) 50% full load
- (D) no load
- (A) 3000 kVA
- (B) 1000 kVA
- (C) 500 kVA
- (D) 250 kVA
- (A) provide fresh air for cooling the transformer
- (B) supply cooling oil to transformer in time of need
- (C) protect the transformer from damage when oil expends due to heating
- (D) none of the above
- (A) supply frequency
- (B) load current
- (C) power factor of load
- (D) both
- (A) 180°
- (B) 120″
- (C) 90°
- (D) 75°
- (A) natural air cooling
- (B) air blast cooling
- (C) oil cooling
- (D) any of the above
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