Electrical Machines When two DC series motors are connected in parallel, the resultant speed is more than normal speed. normal speed. zero. less than normal speed. more than normal speed. normal speed. zero. less than normal speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements are correct ? Both 1 and 2. A small value of leakage reactance will increase the maximum power output of motor. None of these The leakage reactance of the induction motor should be small. Both 1 and 2. A small value of leakage reactance will increase the maximum power output of motor. None of these The leakage reactance of the induction motor should be small. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If residual magnetism of a shunt generator is destroyed accidentally it may be restored by connecting its shunt field to earth. to a DC source. in reverse. to an AC source. to earth. to a DC source. in reverse. to an AC source. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High starting torque and low starting current is the advantage of hysteresis motor. squirrel cage induction motor. slip ring induction motor. stepper motor. hysteresis motor. squirrel cage induction motor. slip ring induction motor. stepper motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor especially the cage rotors slots are nearly parallel to shaft axis. This is called skewing. slip. cogging. crawling. skewing. slip. cogging. crawling. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Iron losses in a DC machine are independent of variation in voltage. speed and voltage. speed. load. voltage. speed and voltage. speed. load. ANSWER DOWNLOAD EXAMIANS APP