Electrical Machines Consider a separately excited DC motor. If the field current is increased while the armature terminal voltage is held constant, then speed of the motor will increase. Decrease.d remains same. none of these. increase. Decrease.d remains same. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip exists in induction motor. none of above. synchronous motor. in both machines. induction motor. none of above. synchronous motor. in both machines. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC motors has got maximum relieving property? Cummulative compound. Series. Differentical compound. Shunt. Cummulative compound. Series. Differentical compound. Shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breadth factor is defined as the ratio of None of these emf with distributed winding to emf with concentrated winding. emf with concentrated winding to emf with distributed winding. both 1 and 2. None of these emf with distributed winding to emf with concentrated winding. emf with concentrated winding to emf with distributed winding. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the synchronous reactance of alternators in which a given field current of 200 A on short circuit and a generated emf of 50 V on open circuit. Armature resistance is 0.1 ohm 1Ω. 0.5Ω. 0.25Ω. 0.23Ω. 1Ω. 0.5Ω. 0.25Ω. 0.23Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field current is reduced to zero the maximum power developed by alternator is 2.73 KW. 0.9103 KW. 1.644 KW. 5.46 KW. 2.73 KW. 0.9103 KW. 1.644 KW. 5.46 KW. ANSWER DOWNLOAD EXAMIANS APP
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