Electrical Machines A 4-pole dc generator runs at 1500 rpm. The frequencyof current in the armature winding is 25 Hz 0 Hz 50 Hz 100 Hz 25 Hz 0 Hz 50 Hz 100 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determined by Fleming's right hand rule. Ampere's law. Lenz's law. Fleming's left hand rule. Fleming's right hand rule. Ampere's law. Lenz's law. Fleming's left hand rule. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On switching a DC motor to DC supply mains, it is found to rotate in the direction opposite to that for which it is designed. The DC motor is Cummulative compound. have an equal number of electrons and protons. Series shunt. Differentical compound. Cummulative compound. have an equal number of electrons and protons. Series shunt. Differentical compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotive which of the following motor are used ? DC series motor. Synchronous motor. Shunt motor. Separately compound motor. DC series motor. Synchronous motor. Shunt motor. Separately compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a conductively compensated DC series motor, the compensating winding is provided In series with the armature winding. In parallel with the armature winding. As a separate unit. In parallel with the field winding. In series with the armature winding. In parallel with the armature winding. As a separate unit. In parallel with the field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, the output power delivered by generator G1 and G2 will be 6.3 kW, 9.3 kW. 9.6 kW, 12 kW. 9.3 kW, 9.3 kW. 5.7 kW, 8.7 kW. 6.3 kW, 9.3 kW. 9.6 kW, 12 kW. 9.3 kW, 9.3 kW. 5.7 kW, 8.7 kW. ANSWER DOWNLOAD EXAMIANS APP
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