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Electrical Machines

Electrical Machines
Maximum power developed depends on

 reactance
 voltage
 load angle
 both 1and 2

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Electrical Machines
Reactive power generated or delivered significantly depends on

 frequency.
 both 1 and 2.
 excitation.
 load angle.

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Electrical Machines
The current drawn by the armature of DC motor is directly proportional to

 The torque required.
 None of above.
 The voltage across the terminals.
 The speed of motor.

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Electrical Machines
What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ?

 core loss only
 Copper loss
 both 1 and 2
 windage and friction loss

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Electrical Machines
Series booster is a

  series wound DC generator.
 permanent magnet DC generator.
 shunt wound DC generator.
 separately excited DC generator.

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Electrical Machines
In above question, the output power delivered by generator G1 and G2 will be

  6.3 kW, 9.3 kW.
 5.7 kW, 8.7 kW.
 9.3 kW, 9.3 kW.
 9.6 kW, 12 kW.

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