Electrical Machines Maximum power developed depends on reactance voltage load angle both 1and 2 reactance voltage load angle both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines CRGO steel is used in the core of transformer to reduce hysteresis loss. eddy current loss. both eddy current and hysteresis loss. ohmic loss. hysteresis loss. eddy current loss. both eddy current and hysteresis loss. ohmic loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To control the speed of an induction motor, the supply frequency is reduced by 10%. For the same magnetizing current to remain constant, the supply voltage must be reduced by 20% increased by 20% increased by 10% reduced by 10% reduced by 20% increased by 20% increased by 10% reduced by 10% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase, 2 KV alternator has an armature resistance of 0.8 ohms and 4.94 ohms respectively. The voltage regulation of the alternator at 100 a load 0.8 loading power factor is 0%. 14%. 7%. 8.9%. 0%. 14%. 7%. 8.9%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 2 KVA transformer has iron loss of 150 W and full load copper loss of 250 W. The maximum efficiency of the transformer would occur when the total loss is 400W 500 W 300 W 250 W 400W 500 W 300 W 250 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direct-on-line (DOL) starters are not suitable for starting large DC motors, because the motor may not start. the starting torque becomes low. the motor may run away. the starting current will be enormously high. the motor may not start. the starting torque becomes low. the motor may run away. the starting current will be enormously high. ANSWER DOWNLOAD EXAMIANS APP
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