Electrical Machines In an auto transformer, for what value of turn ratio, power transferred by inductively and conductively are same? any of the above 1 0.5 0 any of the above 1 0.5 0 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole lap wound dc generator has 4 brushes, if one of the brush is damaged, what will be the change in V, I and P ratings V, I/2 and P/2 V, I and P V/2, I and P/2 V/2, I/2 and P/4 V, I/2 and P/2 V, I and P V/2, I and P/2 V/2, I/2 and P/4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the necessary conditions for parallel operation of alternators? Terminal voltage is same Both 1and 2 Speed of alternators should be same Frequency should be same Terminal voltage is same Both 1and 2 Speed of alternators should be same Frequency should be same ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An unexcited single phase synchronous motor is repulsion motor. universal motor. AC series motor. reluctance motor. repulsion motor. universal motor. AC series motor. reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of 3 - Φ IM, plugging means locking of rotor due to harmonics. pulling the motor directly on line without a rotor. starting the motor on load which is more than the rated load. interchanging two supply phases for quick stopping. locking of rotor due to harmonics. pulling the motor directly on line without a rotor. 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 A 3 - φ induction motor can also be referred to as a transformer. asynchronous motor. shunt motor. repulsion motor. transformer. asynchronous motor. shunt motor. repulsion motor. ANSWER DOWNLOAD EXAMIANS APP
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