Electrical Machines In star-delta starting of squirrel cage induction motor compared to DOL starting the starting current and torque are 1/3, 1/√3 1/√3, 1/3 1/√3, 1/√3 1/3, 1/3 1/3, 1/√3 1/√3, 1/3 1/√3, 1/√3 1/3, 1/3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Damper winding is used to both 1 and 2. increase the load current. decrease the load current. suppress the hunting. both 1 and 2. increase the load current. decrease the load current. suppress the hunting. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which transformer, the tertiary winding is used? Delta - delta Star - star Star - delta Delta - star Delta - delta Star - star Star - delta Delta - star ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the excitation of normally operating unloaded, salient pole synchronous motor suddenly gets disconnected, it continues to run as a variable reluctance motor. DC motor. switched reluctance motor. induction motor. variable reluctance motor. DC motor. switched reluctance motor. induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Demagnetization effects which of the following? both B and C commutation reduces the terminal voltage reduction in main field flux both B and C commutation reduces the terminal voltage reduction in main field flux ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed in a cylindrical synchronous machine depends on synchronous reactance load angle excitation both 1and 2 synchronous reactance load angle excitation both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
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