Electrical Machines If we increase the rotor reactance value, the maximum torque will increase decrease None of these not changed increase decrease None of these not changed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shapers and slotters which motor are preferred? Synchronous motor. Slip ring IM. Double cage motor. Squirrel cage IM. Synchronous motor. Slip ring IM. Double cage motor. Squirrel cage IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Oil is provided in an oil filled transformer for cooling. both cooling and insulation. lubrication. insulating. cooling. both cooling and insulation. lubrication. insulating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne's test is applicable to DC Shunt motor. DC shunt and level Compound motor. DC compound motor. DC series motor. DC Shunt motor. DC shunt and level Compound motor. DC compound motor. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which one of the following statement is correct ? In an induction motor if the air gap is increased then its speed will reduce its power factor will reduce its efficiency will improve its speed will increase its speed will reduce its power factor will reduce its efficiency will improve its speed will increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the frequency of rotor current of 50 Hz induction motor operating at 4% slip? 2.5Hz 2HZ 50Hz 1 Hz 2.5Hz 2HZ 50Hz 1 Hz ANSWER DOWNLOAD EXAMIANS APP