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ISRO EE Quiz - 12
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Question 1
If the positive, negative and zero sequence reactance’s of an element of a power system are 0.3, 0.3 and 0.8 p.u. respectively, then the element would be a?
Question 2
A uniform plane wave at the boundary of an overhead transmission line and underground cable has reflection coefficient: . The standing wave ratio is
Question 3
A synchronous motor is operating at constant load, while its excitation is adjusted to get unity power factor. If the excitation is now increased, the power factor will be?
Question 4
The eddy current losses in the transformer will be reduced if?
Question 5
Loading capability diagram is generally drawn for
Question 6
The applied voltage of a certain transformer is increased by 50% while the frequency is reduced by 50%. The maximum core flux density will become —
Question 7
A voltmeter gives 120 oscillations per minute when connected to the rotor of an induction motor. When the stator frequency is 50 Hz, what is the slip of the motor?
Question 8
In the circuit given below Inductor used is ideal inductor, What is the conduction angle of diode? If
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ESE & GATE EEGeneralAug 22ESE & GATE EE