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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What shall be the secondary output voltage if the primary winding of a 220/6V, 50 Hz transformer is energized by an 110V, 60 Hz supply?

HPCL,

1373

What is Plank's Law?

Godrej,

1160

What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?

HPCL,

1223

Classify drilling machines.

Ashok Leyland,

1162

Which type of control system is expensive — closed loop or open loop?

GE,

1 4222

When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?

HPCL,

1272

How is the gain affected by the introduction of feedback in a control system.

GE,

1165

Initially, when the input is not equal to the output — what type of response is this?

GE,

1061

What does a Bode plot tell you?

GE,

1298

What type of DC motor would you see for a lift?

Ericsson,

1093

Classify milling machines.

Ashok Leyland,

1135

Give some differences between open loop and closed loop control systems.

GE,

1168

What type of a DC motor would you use for a lift?

GE,

1077

Explain the working of any one cutting machine

Mahatma Gandhi University,

1109

Do closed loop systems require manual input?

GE,

1160

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Un-Answered Questions { Electrical Engineering }

sir, Is their any measuring unit of knoking? please explian?

1889

Explain about 3 phase motor fault current calculation with examples?

2946

Usage of flywheel diode in relays

1928

what is meant by tranformer impedance?

2605

What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?

2760

What do you mean by a voltage transformer?

1151

Differnce between negative Pahse SequenceFunction and unbalance Function?

1748

what is the total power generation in india?

2325

while starting a liquid starter ,is there any volage drop on water/soda on tank.can we touch the tank on starting?

1918

state the working principle of incondenscent tube?

1939

During FEED, you will have all the information with regards to cable. How will you calculate the MTO for MV and LV Cables? what are your considerations?

2471

in wind mill use 2100 kw asychronous generator ( induction generator ) rotor voltage : 3300,stator voltage : 690, rpm : 1511 type : MRL063E04 ' we check rotor resistance magger value found following. R-EARTH - 00 M.OHM,Y-EARTH-34 M.OHM,B-EARTH- 33M.OHM R-Y: 31 M.OHM, Y-B: 00 M.OHM,B-R :33 M.OHM HOW CAN I TAKE DECISION?pls ans. quickly

2306

What is Faraday's law

1506

what are the parameters plays a major role in Potential transformer Burden calculation??

2197

how to identify the cable quality and what is flame proof cable

2110

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