Electrical Machines Motors for fans and pumps are selected in the rpm range 720 to 920. 500 to 720. 375 to 500. 1440 to 2880. 720 to 920. 500 to 720. 375 to 500. 1440 to 2880. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer the magnetic coupling between the primary and secondary winding can be increased by using soft material for winding. using the magnetic core of low reluctance. using transformer oil of better quality. increasing the number of turns. using soft material for winding. using the magnetic core of low reluctance. using transformer oil of better quality. increasing the number of turns. 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 768 V 96 V 384 V 192 V 768 V 96 V 384 V 192 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines R1 is the resistance of the primary winding of the transformer. The turn ratio in terms of primary to secondary is K. Then the equivalent resistance of the primary referred to secondary is R1 /K R1 /K² K×R1 K²R1 R1 /K R1 /K² K×R1 K²R1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC generator used for arc welding purpose is a shunt generator cumulatively compounded generator differentially compounded generator series generator shunt generator cumulatively compounded generator differentially compounded generator series generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors is/are widely used? squirrel cage induction motor slip ring induction motor None of these either of these squirrel cage induction motor slip ring induction motor None of these either of these ANSWER DOWNLOAD EXAMIANS APP
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