Electrical Machines If the temperature of armature resistance is increased, the speed of a series motor would None of above. not change. increase. decrease. None of above. not change. increase. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor, the starting torque developed is proportional to supply voltage V 1/V² 1/V V² supply voltage V 1/V² 1/V V² 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 6 V 220 V somewhat less than 220 V more than 220 V 6 V 220 V somewhat less than 220 V more than 220 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, hysteresis and eddy current losses depend upon supply frequency load current maximum flux density both 2 and 3 supply frequency load current maximum flux density both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed in a cylindrical synchronous machine depends on excitation load angle both 1and 2 synchronous reactance excitation load angle both 1and 2 synchronous reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A short circuit test on a transformer gives copper loss at any load. copper loss at full load. copper loss at over load. copper loss at half load. copper loss at any load. copper loss at full load. copper loss at over load. copper loss at half load. ANSWER DOWNLOAD EXAMIANS APP