Electrical Machines Maximum power will be developed when back emf is double the supply voltage. equal to supply voltage. half of the supply voltage. All of these double the supply voltage. equal to supply voltage. half of the supply voltage. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The DC generator runs at a speed of 1000 rpm and flux per pole is 0.2 Wb, number of poles are 2 the winding is wave wound and having 480 conductors. The critical speed is 1200 rpm. Then the generated emf ( Eg ) 1500 Volt. 2000 Volt. 1600 Volt. 0 Volt. 1500 Volt. 2000 Volt. 1600 Volt. 0 Volt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for hoisting and lowering which type of motor is preferred? AC slip ring motor. Synchronous motor. Single phase induction motor. DC series motor. AC slip ring motor. Synchronous motor. Single phase induction motor. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC Motor requires 3 point starter? Series motor. Shunt, compound and series motor. Shunt motor. Shunt motor as well as compound motors. Series motor. Shunt, compound and series motor. Shunt motor. Shunt motor as well as compound motors. 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 1/4 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 1/2 of the initial value 4 time the initial value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stepper motor is used in traction food processing All of these computer printers traction food processing All of these computer printers ANSWER DOWNLOAD EXAMIANS APP
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