Electrical Machines In electric locomotives which of the following motor are used ? DC Shunt motor. DC series motor. DC compound motor. Synchronous motor. DC Shunt motor. DC series motor. DC compound motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Centrifugal switch is absent in which of the single phase induction motor? Split phase motor. None of these PSC (permanent split capacitor) motor. Shaded pole motor. Split phase motor. None of these PSC (permanent split capacitor) motor. Shaded pole motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature flux is.............with respect to main field flux or main field poles? rotates same direction None of these rotates opposite direction stationary rotates same direction None of these rotates opposite direction stationary ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the number of poles required, when the frequency is 50Hz and speed of the motor is 500 rpm? 12 5 24 10 12 5 24 10 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque depends on which of the following? speed both A and B flux (φ) armature current (I) speed both A and B flux (φ) armature current (I) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines From no load to full load the slip will slightly decrease. slightly increase. None of these not change. slightly decrease. slightly increase. None of these not change. ANSWER DOWNLOAD EXAMIANS APP
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