Electrical Machines Transformers operating in parallel will share the load depending upon their percentage impedance. leakage reactance. efficiency. rating. percentage impedance. leakage reactance. efficiency. rating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In alternator, the rotary part is armature. none of these. magnetic field poles. core. armature. none of these. magnetic field poles. core. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 250 V DC generator in run at rated speed with no excitation. The open circuit voltage will be very small, say about 2 or 3 V. zero. 250 V. about 100 V. very small, say about 2 or 3 V. zero. 250 V. about 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature mmf in a dc machine is 1. stationary with respect to field poles 2. stationary with respect to armature 3. rotating with respect to field poles 4. rotating with respect to armature From these, the correct answer is 2, 3 2, 4 1, 3 1, 4 2, 3 2, 4 1, 3 1, 4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A three phase induction motor has a synchronous speed of 1500 rpm the machine runs at 1460 rpm at a particular load. The slip at this load is ___________. 30 %. 1.5 %. 5 %. 2.67 %. 30 %. 1.5 %. 5 %. 2.67 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of single phase induction motor is having the highest power factor at full load ? Capacitor start. Split phase type. Capacitor run type. Shaded pole type. Capacitor start. Split phase type. Capacitor run type. Shaded pole type. ANSWER DOWNLOAD EXAMIANS APP
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