Electrical Machines What is the phase difference between two windings of A.C servomotor ? 120°. 30°. 90°. 60°. 120°. 30°. 90°. 60°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A frog leg winding is used in a DC machine to eliminate reactance voltage produced due to communication. the use drum winding. the use equalizer in lap winding. the use of compensating winding. reactance voltage produced due to communication. the use drum winding. the use equalizer in lap winding. the use of compensating winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which transformer, the tertiary winding is used? Star - star Delta - star Delta - delta Star - delta Star - star Delta - star Delta - delta Star - delta ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltage regulation of a DC generator at full load being zero implies that the generator is series connected. cumulatively compounded. shunt connected. deferentially compounded. series connected. cumulatively compounded. shunt connected. deferentially compounded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto transformer, for what value of turn ratio, power transferred by inductively and conductively are same? 0 0.5 any of the above 1 0 0.5 any of the above 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A large series motor is never started without some mechanical load on it because otherwise it will open fuse or circuit breaker. draw too much current. develop excessive speed and damage itself. produce sparking at brushes. open fuse or circuit breaker. draw too much current. develop excessive speed and damage itself. produce sparking at brushes. ANSWER DOWNLOAD EXAMIANS APP
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