Electrical Machines If the full load speed of 3-phase, 50Hz induction motor is 950 rpm, what is its half load speed nearly equals to? 950 rpm 940 rpm 975 rpm 1000 rpm 950 rpm 940 rpm 975 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When flux density is constant in a transformer, hysteresis loss varies as V f V² f² V f V² f² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the DC Motor use flywheel? Series motor. Differently compared motor. Cumulatively compound motor. Shunt motor. Series motor. Differently compared motor. Cumulatively compound motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3-phase induction motor, torque and supply voltage are related as T∝ V² T ∝ 1/V² T ∝ 1/V T ∝ V T∝ V² T ∝ 1/V² T ∝ 1/V T ∝ V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer which of the following losses are zero? All of these Iron loss Rotational loss Copper loss All of these Iron loss Rotational loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 8-pole, DC generator has a simplex wave-wound armature containing 32 coils of 6 turns each. Its flux per pole is 0.06 Wb. The machine is running at 250 rpm. The induced armature voltage is 384 V 96 V 768 V 192 V 384 V 96 V 768 V 192 V ANSWER DOWNLOAD EXAMIANS APP
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