Electrical Machines If the excitation is increased, the power factor is unity power factor leading power factor lagging power factor None of these unity power factor leading power factor lagging power factor None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a seperately excited DC Motor if field current is increased, it will Reduce armature heating. Increase speed Increase acceleration duration. Reduce starting torque. Reduce armature heating. Increase speed Increase acceleration duration. Reduce starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tap changer is generally provided in current transformer. voltage transformer. power transformer. earthing transformer. current transformer. voltage transformer. power transformer. earthing transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of 3 - Φ IM, plugging means pulling the motor directly on line without a rotor. locking of rotor due to harmonics. starting the motor on load which is more than the rated load. interchanging two supply phases for quick stopping. pulling the motor directly on line without a rotor. locking of rotor due to harmonics. starting the motor on load which is more than the rated load. interchanging two supply phases for quick stopping. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The three point starter is used for Shunt, compound and series motor. Series motor. Shunt motor as well as compound motors. Shunt motor. Shunt, compound and series motor. Series motor. Shunt motor as well as compound motors. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field divertor method of speed control of a DC series motor gives speed above rated one due to reduction of None of above. Armature current. Field current. Line current. None of above. Armature current. Field current. Line current. ANSWER DOWNLOAD EXAMIANS APP
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