Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? pure resistive load pure inductive load pure capacitive load None of these pure resistive load pure inductive load pure capacitive load None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 8-pole, DC generator has a simplex wave-wound armature containing 32 coils of 6 turns each. Its flux per pole is 0.06 Wb. The machine is running at 250 rpm. The induced armature voltage is 384 V 96 V 192 V 768 V 384 V 96 V 192 V 768 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor is running at rated speed without any additional resistance in series. If an additional resistance is placedin series, the speed of motor Oscillates around the rated speed. Increases. Decreases. Remains unchanged. Oscillates around the rated speed. Increases. Decreases. Remains unchanged. 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 Differentical compound. have an equal number of electrons and protons. Series shunt. Cummulative compound. Differentical compound. have an equal number of electrons and protons. Series shunt. Cummulative compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Speed of DC motor can be controlled by varying its flux oer pole. resistance of armature culture. applied voltage. all of these. its flux oer pole. resistance of armature culture. applied voltage. all of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor power output of 3-phase induction motor is 15 KW. The rotor copper losses at a slip of 4% will be 650 W 625 W 700 W 600 W 650 W 625 W 700 W 600 W ANSWER DOWNLOAD EXAMIANS APP
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