Electrical Machines Select the motor that should not be started on no load? Series motor. Compound motor. Brushless DC motor. Shunt motor. Series motor. Compound motor. Brushless DC motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the residual magnetism is of the order of 10 %. 2.5 %. 20 %. 15 %. 10 %. 2.5 %. 20 %. 15 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, the electricity produced in armature is AC. armature is not present in DC generator. DC. None of these AC. armature is not present in DC generator. DC. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In auto transformer if the turn ratio is K, what is the power transferred inductively? K × input power both A and B (1-K) × input power None of these K × input power both A and B (1-K) × input power None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer core is laminated to reduce hysteresis loss. both 1 and 2. copper loss. eddy current loss. hysteresis loss. both 1 and 2. copper loss. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the frequency of input voltage of a transformer is increased keeping the magnitude of voltage unchanged, then both hysteresis loss(Ph) and eddy current loss(Pe) will increase Pe will increase but Ph will decrease Ph will increase but Pe will decrease Ph will decrease but Pe will remain same both hysteresis loss(Ph) and eddy current loss(Pe) will increase Pe will increase but Ph will decrease Ph will increase but Pe will decrease Ph will decrease but Pe will remain same ANSWER DOWNLOAD EXAMIANS APP
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