Electrical Machines Open circuit test on transformer gives copper loss eddy current loss hysteresis loss both 1and 2 copper loss eddy current loss hysteresis loss both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following will vary the maximum torque? None of these both 1 and 2 rotor resistance R rotor reactance X None of these both 1 and 2 rotor resistance R rotor reactance X ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Example of double excited machine is None of these Synchronous motor. Both are correct. DC Shunt Motor None of these Synchronous motor. Both are correct. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flux density under leading pole tips in case of generator will increase None of these either increase or decrease decrease increase None of these either increase or decrease decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A short-shunt cumulatively-compounded dc generator builds up a voltage of 220 V at no load at rated speed. If it is operated as a differentially compounded generator, other things remaining the same, it would build up 220 V 6 V more than 220 V somewhat less than 220 V 220 V 6 V more than 220 V somewhat less than 220 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following windings are necessary in case of all dc machines? lap winding closed winding open type winding wave winding lap winding closed winding open type winding wave winding ANSWER DOWNLOAD EXAMIANS APP