Electrical Machines Slip rings of an induction motors are made of aluminium. stainless steel. phosphor bronze. carbon. aluminium. stainless steel. phosphor bronze. carbon. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the excitation of normally operating unloaded, salient pole synchronous motor suddenly gets disconnected, it continues to run as a switched reluctance motor. induction motor. variable reluctance motor. DC motor. switched reluctance motor. induction motor. variable reluctance motor. DC motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on which of the following? Shaft torque. Synchronous speed. Rotor speed. Core loss component. Shaft torque. Synchronous speed. Rotor speed. Core loss component. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following winding is connected in series with armature winding of DC machine? Both Compensating and Commutating pole winding. Compensating winding. Commutating pole winding. Auxiliary winding. Both Compensating and Commutating pole winding. Compensating winding. Commutating pole winding. Auxiliary winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Equalizer rings are used in which of the followings? lap winding None of these both 1 and 2 wave winding lap winding None of these both 1 and 2 wave winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dynamo with wave wound armature has 51 slots contains 20 conductors in each slot. If induced emf 357 Volts and speed is 8500 rpm, flux per pole will be 1.4 mWb. 2.7 mWb. 1.2 mWb. 3.5 mWb. 1.4 mWb. 2.7 mWb. 1.2 mWb. 3.5 mWb. ANSWER DOWNLOAD EXAMIANS APP
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