A. high reluctance
B. low reactance
C. high resistance
D. low resistance
Month: June 2018
A. flux density remains unaffected
B. iron losses are reduced
C. core flux density is reduced
D. core flux density is increased
A. Low hysteresis loss
B. High permeability
C. High thermal conductivity
D. Adequate mechanical strength
A. load current
B. load current and voltage
C. load current, voltage and frequency
D. load current, voltage, frequency and power factor
A. no losses and magnetic leakage
B. interleaved primary and secondary windings
C. a common core for its primary and secondary windings
D. core of stainless steel and winding of pure copper metal
E. none of the above
A. Frequency
B. Voltage
C. Current
D. Any of the above
A. Conservator
B. Breather
C. Bushings
D. Buchholz relay
A. small air gap
B. large leakage flux
C. laminated silicon steel core
D. fewer rotating parts
A. electrical fault inside the transformer itself
B. electrical fault outside the transformer in outgoing feeder
C. for both outside and inside faults
D. none of the above
A. short-circuiting of the secondaries
B. power factor of one of the transformers is leading while that of the other lagging
C. transformers having higher copper losses will have negligible core losses
D. loading of the transformers not in proportion to their kVA ratings
