Electrical Machines In DC machine torque depends on which of the following? both A and B armature current (I) flux (φ) speed both A and B armature current (I) flux (φ) speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following induction motor has the highest starting torque? None of these Squirrel cage induction motor. Slip ring induction motor. Same in both induction motors. None of these Squirrel cage induction motor. Slip ring induction motor. Same in both induction motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In double cage induction motor, the inner cage offers high resistance and low reactance. low resistance and high reactance. high resistance and high reactance. low resistance and low reactance. high resistance and low reactance. low resistance and high reactance. high resistance and high reactance. low resistance and low reactance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following components of a DC generator plays vital role for providing direct electric current of a DC generator? Commutator. Equalizer rings. Eye bolt. Dummy coils. Commutator. Equalizer rings. Eye bolt. Dummy coils. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, hysteresis and eddy current losses depend upon maximum flux density both 2 and 3 supply frequency load current maximum flux density both 2 and 3 supply frequency load current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For very sensitive and wide speed control, the preferable control method is Field control. Multiple voltage control. Ward-Leonard control. Armature control. Field control. Multiple voltage control. Ward-Leonard control. Armature control. ANSWER DOWNLOAD EXAMIANS APP