Electrical Machines Which of the following is not a part of transformer? Commutator. Conservator tank. Radiator. Tap changer. Commutator. Conservator tank. Radiator. Tap changer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loss is proportional to f3. f2. f. f1.5. f3. f2. f. f1.5. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole, 3-phase induction motor is running at 4% slip at full load. If the speed of the motor is 720 rpm, the supply frequency is 50 Hz 25 Hz 60 Hz 40 HZ 50 Hz 25 Hz 60 Hz 40 HZ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors provided with open slots have higher efficiency. less breakdown torque. more breakdown torque. leading power factor. higher efficiency. less breakdown torque. more breakdown torque. leading power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Neglecting all losses, the developed torque (T) of DC separately excited motor, operating under constant terminal voltage is reduced to its output power (P) as T is independent of P. T2 ∝ P3. T ∝ √P. T ∝ P. T is independent of P. T2 ∝ P3. T ∝ √P. T ∝ P. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/Vt ratio of a DC motor is an indication of speed regulation. running torque. efficiency. starting torque. speed regulation. running torque. efficiency. starting torque. ANSWER DOWNLOAD EXAMIANS APP
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