Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. What is the slip value? 0.04 0.2 0.02 0.4 0.04 0.2 0.02 0.4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the mechanical power developed by a DC series motor is maximum? None of above. Back emf is equal to zero. Back emf is equal to applied voltage. Back emf is equal to half the applied voltage. None of above. Back emf is equal to zero. Back emf is equal to applied voltage. Back emf is equal to half the applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction depends on which of the following? power factor of load both 1 and 2 None of these magnitude of load current power factor of load both 1 and 2 None of these magnitude of load current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, if direct axis reactance and quadrature axis reactance is equal, then power developed due to reluctance is any of the above infinite value maximum zero any of the above infinite value maximum zero ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motors are preferred for refrigeration and air conditioning in smaller units? Induction motors. Reluctance motors. Universal motors. Stepper motors. Induction motors. Reluctance motors. Universal motors. Stepper motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which 1 - Φ motor does operate at high power factor? Split phase. Shaded pole. Capacitor run. Capacitor start. Split phase. Shaded pole. Capacitor run. Capacitor start. ANSWER DOWNLOAD EXAMIANS APP
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