Electrical Machines If the temperature of armature resistance is increased, the speed of a series motor would decrease. increase. not change. None of above. decrease. increase. not change. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3-phase induction motor, torque and supply voltage are related as T ∝ 1/V² T ∝ V T ∝ 1/V T∝ V² T ∝ 1/V² T ∝ V T ∝ 1/V T∝ V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the speed control of polyphase squirrel cage induction motor, if frequency of operation is decreased with constant V, Tst increases constant supply voltage V, starting torque Tst decreases either of these None of these constant V, Tst increases constant supply voltage V, starting torque Tst decreases either of these None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is zero lagging leading unity zero lagging leading unity ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, the output power delivered by generator G1 and G2 will be 9.6 kW, 12 kW. 5.7 kW, 8.7 kW. 6.3 kW, 9.3 kW. 9.3 kW, 9.3 kW. 9.6 kW, 12 kW. 5.7 kW, 8.7 kW. 6.3 kW, 9.3 kW. 9.3 kW, 9.3 kW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Conservator tank is used to take up the expansion of oil due to temperature rise. None of these to act as an oil storage. for better cooling of transformer. to take up the expansion of oil due to temperature rise. None of these to act as an oil storage. for better cooling of transformer. ANSWER DOWNLOAD EXAMIANS APP