Electrical Machines In circle diagram for induction motor, diameter of circle represents which of the following ? Line voltage. Running torque. Slip. Rotor current. Line voltage. Running torque. Slip. Rotor current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The application that need frequent starting and stopping is lifts and hoists. blowers. jaw crushers. paper mills. lifts and hoists. blowers. jaw crushers. paper mills. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase slip ring induction motor is wound for 4 poles on stator and 6 poles on the rotor. When 3-phase balanced voltage source at 50 Hz is applied, it will run at 1500 rpm 1000 rpm 750rpm zero speed 1500 rpm 1000 rpm 750rpm zero speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When applied rated voltage per phase is reduce to one half, the starting torque of three phase squirrel cage induction motor becomes 1/2 of the initial value 4 time the initial value 1/4 of the intial value twice the initial value 1/2 of the initial value 4 time the initial value 1/4 of the intial value twice the initial value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors are suitable for computer printer drive ? Reluctance motor. Stepper motor. Hysteresis motor. Shaded pole motor. Reluctance motor. Stepper motor. Hysteresis motor. Shaded pole motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 100 KVA transformer is operating at 60 Hz, 240 V supply. The same transformer is operating at 50 Hz, 200 V supply. The new rating is 100 KVA 83.33 KVA 50 KVA 123.3 KVA 100 KVA 83.33 KVA 50 KVA 123.3 KVA ANSWER DOWNLOAD EXAMIANS APP
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