Electrical Machines A DC Shunt Motor having shunt field resistance of 250 Ω and armature resistance of 0.5 Ω is connected to 250 V supply and load current of 21 A. What is the back emf generated ? 150 V. 230 V. 240 V. 210 V 150 V. 230 V. 240 V. 210 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. none of these. salient. non uniform cylindrical. cylindrical. none of these. salient. non uniform cylindrical. cylindrical. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For larger units high torque it is preferred to use Slip induction motor. Partial motor. Universal motor. DC shunt motor. Slip induction motor. Partial motor. Universal motor. DC shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ? both 1 and 2 Copper loss core loss only windage and friction loss both 1 and 2 Copper loss core loss only windage and friction loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ induction motor power factor at starting is high as compared to that while running. power factor at starting in the same as that while running. power factor at starting is low as compared to that while running. none of them. power factor at starting is high as compared to that while running. power factor at starting in the same as that while running. power factor at starting is low as compared to that while running. none of them. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed depends on load angle reactance voltage both 1and 2 load angle reactance voltage both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
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