Electrical Machines Which of the following induction motor has maximum speed? 4 pole. 6 pole. 8 pole. 2 pole. 4 pole. 6 pole. 8 pole. 2 pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening control method is used for the _________ ? above rated speed both A and B None of these below rated speed above rated speed both A and B None of these below rated speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC series motor the speed is ______________ proportional to the armature current. has no relation. inversely. none of these. directly. has no relation. inversely. none of these. directly. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in series motors either of these shunt motors None of these series motors either of these shunt motors None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer operating at constant voltage if the input frequency increases, the core loss increase. None of these remains constant. decrease. increase. None of these remains constant. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve low starting torque. reduced size. quick acceleration. high efficiency. low starting torque. reduced size. quick acceleration. high efficiency. ANSWER DOWNLOAD EXAMIANS APP
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