Electrical Machines In electric locomotives which of the following motor are used ? DC series motor. DC Shunt motor. Synchronous motor. DC compound motor. DC series motor. DC Shunt motor. Synchronous motor. DC compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of connection is made in between the inter-pole and the field winding? Parallel. None of the options. Series. Compound. Parallel. None of the options. Series. Compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dc generator is running at 1500 rpm the frequency of current in the armature winding is 150Hz. 200Hz. 100Hz. 50Hz. 150Hz. 200Hz. 100Hz. 50Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The functions of inter poles are reduce cross magnetization effect and improve commutation both 1 and 2 None of these nullify reactance voltage and improve the commutation. reduce cross magnetization effect and improve commutation both 1 and 2 None of these nullify reactance voltage and improve the commutation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1-S 1/(1-S) 1/S S 1-S 1/(1-S) 1/S S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer action requires a alternating magnetic lux. alternating electric flux. increasing magnetic flux. constant magnetic flux. alternating magnetic lux. alternating electric flux. increasing magnetic flux. constant magnetic flux. ANSWER DOWNLOAD EXAMIANS APP
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