Electrical Machines Slip rings of an induction motors are made of aluminium. carbon. stainless steel. phosphor bronze. aluminium. carbon. stainless steel. phosphor bronze. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The stator frame in an induction motor is used to provide return path for the flux. hold armature stamping in position. ventilate the armature. protect the whole machine. provide return path for the flux. hold armature stamping in position. ventilate the armature. protect the whole machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC shunt generator builds up 230 V when driven in clockwise direction. In case it is driven in anti clockwise direction, other things remaining unchanged, then the voltage build up is 230 V not possible some what more than 230 V some what less than 230 V 230 V not possible some what more than 230 V some what less than 230 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A series generator is connected in series to a feeder having 0.5Ω resistance to boost the voltage. The induced voltage is given by Eg = 0.6Ia, Ra = 0.2Ω and Rs = 0.3Ω. Find the voltage boosted by the generator, when delivering 400 Amp? 90 V. 40 V. 60 V. 30 V. 90 V. 40 V. 60 V. 30 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC motor generally used for shears and punches is Differential compound motor. Series motor. Shunt motor. Cummulative compound motor. Differential compound motor. Series motor. Shunt motor. Cummulative compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For high current and low current rating which winding is employed to DC machine? Lap winding None of above Both lap and wave winding Wave winding Lap winding None of above Both lap and wave winding Wave winding ANSWER DOWNLOAD EXAMIANS APP
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