Electrical Machines Which motor cannot be started on no load? series motors cumulative compound motors shunt motors both B and C series motors cumulative compound motors shunt motors both B and C ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC generators are usually designed to develop armature voltages not exceeding 650 V because of the limitations imposed by commutator starters armature winding field winding commutator starters armature winding field winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is critical, the power factor of the alternator is unity power factor. None of these leading power factor. lagging power factor. unity power factor. None of these leading power factor. lagging power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has negative speed regulation? Both B and C. Shunt motors. Series motors. Differential compound motors. Both B and C. Shunt motors. Series motors. Differential compound motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cogging in induction motor occurs when number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = even number. number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = even number. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer cooling and insulating oil must be of low resistivity. low viscosity. low BDV. high viscosity. low resistivity. low viscosity. low BDV. high viscosity. ANSWER DOWNLOAD EXAMIANS APP
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