Electrical Machines DC machine windings are either of these full pitched None of these short pitched either of these full pitched None of these short pitched ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A smaller air gap in a polyphase induction motor helps to reduce the magnetizing current. increase the starting torque. reduce the chance of crawling. reduce the chance of cogging. reduce the magnetizing current. increase the starting torque. reduce the chance of crawling. reduce the chance of cogging. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a synchronous motor is running at synchronous speed, the damper winding produces both 1 and 2. eddy current torque. damping torqe. no torque. both 1 and 2. eddy current torque. damping torqe. no torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinson test is conducted under which of the following condition? full load no load any of the above half load full load no load any of the above half load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator can be considered as prime mover. rotating amplifier. rectifier. power pump. prime mover. rotating amplifier. rectifier. power pump. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Oil is provided in an oil filled transformer for both cooling and insulation. cooling. insulating. lubrication. both cooling and insulation. cooling. insulating. lubrication. ANSWER DOWNLOAD EXAMIANS APP