Electrical Machines The speed of rotating magnetic field of 8 pole 50 Hz induction motor is 1000 rpm 1500 rpm 750 rpm 3000 rpm 1000 rpm 1500 rpm 750 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous motor can be started by coupling it with a small AC induction motor called the pony motor. coupling it with a DC compound motor. providing damper winding in its rotor circuit. any of the above methods. coupling it with a small AC induction motor called the pony motor. coupling it with a DC compound motor. providing damper winding in its rotor circuit. any of the above methods. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an alternator, voltage drops occurs in armature resistance and leakage reactance. armature resistance, leakage reactance and armature reaction. armature resistance, leakage reactance, armature reaction and earth connection. armature resistance only. armature resistance and leakage reactance. armature resistance, leakage reactance and armature reaction. armature resistance, leakage reactance, armature reaction and earth connection. armature resistance only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The use of double squirrel cage winding on the rotor provides higher efficiency. a large starting torque. low noise. reduced starting torque. higher efficiency. a large starting torque. low noise. reduced starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for swing action which motor is preferred? Reluctance motor. DC series motor. Capacitor type induction motors. AC slip ring IM. Reluctance motor. DC series motor. Capacitor type induction motors. AC slip ring IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation of the synchronous generator fails, it acts as a/an synchronous generator. induction generator. induction motor. synchronous motor. synchronous generator. induction generator. induction motor. synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
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