Electrical Machines The output power indicated on the name plate of any motor is always the Power drawn in KW. Gross power. Output power at the shaft. Power drawn in KVA. Power drawn in KW. Gross power. Output power at the shaft. Power drawn in KVA. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has the highest power factor at full load? Capacitor start Capacitor run Shaded pole Resistance split phase Capacitor start Capacitor run Shaded pole Resistance split phase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 ,V 15 , kW 100 rpm shunt motor with armature resistance of 0.25 , W has a rated line current of 68 A and a rated field current of 2.2 A. The change in field flux required to obtain a speed of 1600 rpm while drawing a line current of 52.8 A and a field current of 1.8 A is 18.18% increase 36.36% decrease 36.36% increase 36.36% increase 18.18% increase 36.36% decrease 36.36% increase 36.36% increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt motor has external resistance Ra and Rf in the armature and field circuits respectively. Armature current at starting can be reduced by keeping Rf maximum and Ra minimum Ra maximum and Rf maximum Ra minimum and Rf minimum Ra maximum and Rf minimum Rf maximum and Ra minimum Ra maximum and Rf maximum Ra minimum and Rf minimum Ra maximum and Rf minimum ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test on induction motor is conducted to find which of the following losses? Stator core loss Stator copper loss Rotational loss All of these Stator core loss Stator copper loss Rotational loss All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC motors, under trailing pole tips, flux density will_______ ? either increase or decrease decrease increase None of these either increase or decrease decrease increase None of these ANSWER DOWNLOAD EXAMIANS APP
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