Electrical Machines Which of the following motor is more expensive for same KW output rating ? DC Shunt Motor AC single phase motor. Induction motor. Synchronous motor. DC Shunt Motor AC single phase motor. Induction motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under operating conditions the rotor conductor should be _________________ in induction motor. always opened. semi closed or semi opened. none. always closed. always opened. semi closed or semi opened. none. always closed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor of a 3 - Φ wound induction motor is provided with single phase winding. heavy short-circuited end rings. heavy copper or aluminium bars placed in rotor slots. three phase winding. single phase winding. heavy short-circuited end rings. heavy copper or aluminium bars placed in rotor slots. three phase winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dc generator is running at 1500 rpm the frequency of current in the armature winding is 100Hz. 50Hz. 200Hz. 150Hz. 100Hz. 50Hz. 200Hz. 150Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A triangular mmf wave is produced in the air gap of an electric machine. Such wave is produced by stator of a dc machine. stator of a induction machine. rotor of a dc machine. rotor of an synchronous machine. stator of a dc machine. stator of a induction machine. rotor of a dc machine. rotor of an synchronous machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is very effective for separately excited motors. differential compound motors. shunt motors. series motors. separately excited motors. differential compound motors. shunt motors. series motors. ANSWER DOWNLOAD EXAMIANS APP
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