Electrical Machines In DC generator on no-load, the air gap flux distribution in space is pulsating. sinusoidal. flat topped. triangular. pulsating. sinusoidal. flat topped. triangular. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is critical, the power factor of the alternator is unity power factor. None of these lagging power factor. leading power factor. unity power factor. None of these lagging power factor. leading power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the eddy current loss if the supply frequency of a transformer becomes double? Four times. Doubled. Remains same. Eight times. Four times. Doubled. Remains same. Eight times. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When maximum starting torque is obtained, rotor power is ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on which of the following? Core loss component. Synchronous speed. Rotor speed. Shaft torque. Core loss component. Synchronous speed. Rotor speed. Shaft torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC generator is run at full speed without any excitation. The open circuit voltage will be about 50 V. 220 V. zero. about 2 V. about 50 V. 220 V. zero. about 2 V. ANSWER DOWNLOAD EXAMIANS APP
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