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Electrical Machines
Transformers operating in parallel will share the load depending upon their
leakage reactance.
efficiency.
rating.
percentage impedance.
leakage reactance.
efficiency.
rating.
percentage impedance.
Answer
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Related Question
Electrical Machines
In a 3 - Φ induction motor
power factor at starting in the same as that while running.
power factor at starting is low as compared to that while running.
none of them.
power factor at starting is high as compared to that while running.
power factor at starting in the same as that while running.
power factor at starting is low as compared to that while running.
none of them.
power factor at starting is high as compared to that while running.
Answer
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Electrical Machines
High starting torque and low starting current is the advantage of
hysteresis motor.
stepper motor.
slip ring induction motor.
squirrel cage induction motor.
hysteresis motor.
stepper motor.
slip ring induction motor.
squirrel cage induction motor.
Answer
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Electrical Machines
In 3 - Φ induction motor some times copper bars are placed deep in the rotor to
improve power factor.
reduce copper loss.
improve starting torque.
improve efficiency.
improve power factor.
reduce copper loss.
improve starting torque.
improve efficiency.
Answer
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Electrical Machines
Oil is provided in an oil filled transformer for
lubrication.
cooling.
insulating.
both cooling and insulation.
lubrication.
cooling.
insulating.
both cooling and insulation.
Answer
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Electrical Machines
Eb/V ratio of a DC motor is an indication of
Effiency.
Starting torque.
Running Torque.
Speed regulation.
Effiency.
Starting torque.
Running Torque.
Speed regulation.
Answer
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