Electrical Machines The induction motor shaft is made of mild steel. stainless steel. cast iron. aluminium. mild steel. stainless steel. cast iron. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchorous generator connected to an infinite bus is over excited. Considering only the reactive power from the point view of the system the machine acts as an inductor. A capacitor. A resistor. None of these. an inductor. A capacitor. A resistor. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The use of double squirrel cage winding on the rotor provides reduced starting torque. a large starting torque. higher efficiency. low noise. reduced starting torque. a large starting torque. higher efficiency. low noise. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3- phase synchronous motor can operate over a wide range of power factors i.e. from lagging to leading power factor. This is achieved by varying the speed. changing the load. changing the field excitation. varying the applied voltage. varying the speed. changing the load. changing the field excitation. varying the applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. cylindrical. none of these. salient. non uniform cylindrical. cylindrical. none of these. salient. non uniform cylindrical. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction of an unsaturated DC machine is demagnetising. none of above. crossmagnetising. magnetising. demagnetising. none of above. crossmagnetising. magnetising. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS