Electrical Machines Two windings provided on the stator of 1-phase induction motor, one main winding and the other auxiliary winding are connected through inductive coupling either of these depending on the design of the motor in series in parallel through inductive coupling either of these depending on the design of the motor in series in parallel ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a transformer is loaded, the secondary terminal voltage drops. That means power factor is unity. zero. lagging. leading. unity. zero. lagging. leading. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machine is invariably provided with forced ventilation? Hermetically sealed motor of refrigerator. Fractional horse power slow speed motor. Fractional horse power high speed motor. 50 MW generator in a power plant. Hermetically sealed motor of refrigerator. Fractional horse power slow speed motor. Fractional horse power high speed motor. 50 MW generator in a power plant. 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 armature winding field winding starters commutator armature winding field winding starters ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of 3 - Φ IM, plugging means 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. pulling the motor directly on line without a rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has more stability cylindrical motor both motors has same stability None of these salient pole motor cylindrical motor both motors has same stability None of these salient pole motor ANSWER DOWNLOAD EXAMIANS APP
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