Electrical Machines In a resistance split phase motor, what is the range of torque angle? 25° to 30° 90° 70° to 85° 0° 25° to 30° 90° 70° to 85° 0° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 200 V DC machine supplies 20 A at 200 V as a generator. The armature resistance is 0.2 Ω. If the machine is now operated as a motor at same terminal voltage and current but with the flux increased by 10%, the ratio of motor speed to generator speed is 1.06 0.96 0.95 0.87 1.06 0.96 0.95 0.87 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements are correct ? A small value of leakage reactance will increase the maximum power output of motor. Both 1 and 2. The leakage reactance of the induction motor should be small. None of these A small value of leakage reactance will increase the maximum power output of motor. Both 1 and 2. The leakage reactance of the induction motor should be small. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC machine has an armature resistance 1Ω. If the full load current is 20 A, the difference of induced voltage and generator is 40 V. 20 V. 60 V. 0 V. 40 V. 20 V. 60 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto transformer, for what value of turn ratio, power transferred by inductively and conductively are same? any of the above 1 0 0.5 any of the above 1 0 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors are used for lathes? Either A or B. DC shunt motors. Synchronous motor. Cage induction motor. Either A or B. DC shunt motors. Synchronous motor. Cage induction motor. ANSWER DOWNLOAD EXAMIANS APP
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