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Electrical Engineering Interview Questions
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When electric field is parallel to the plane of incidence, the electromagnetic wave is said to be a.Linearly polarized b.circularly polarized c. Elliptically polarized d. Hyperbolically polarized

 1 4510

Due to velocity saturation, MOSFET reaches saturation a.Before Pinch off b. After pinch off c. At Q point d. Before Q point e. After Q point

 1 3128

Which system use dc to dc high voltage gain A. Solar system B. Battery backup

 1 3117

Natural frequency in the control system represents nature of a. Transient response b. Oscillations c. Overshoot d. Speed of responce

 1 4328

Which thing is maximum in RLC circuit at resonance a)power consumption b)inductive current c)capacitive voltage

 1319

which theorem is used to analyse fault a)thevinin b)Norton c)Superposition d)jordan

FFC, NTS,

1 6183

For high frequency application we use which transformer?

 1338

For overhead protection we use which transformer?

 1926

Which fault is caused by lightening and thuderstorm a. Line to line fault b. Single line to ground fault c. Double line to ground fault

 1 2072

Which modulation has higher data rates a.fm b.am c.qam d.qpsk

NTDC,

1 3896

An active element is one which a. Supplies energy b. Absorbs energy c. Supplies energy and convert energy from one form to another

 1635

The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input

 1807

Less cost of delta connection over star connection a. No fourth neautral wire

 1 1670

Transmission lines usually use a.3 phase b.2 phase c. Single phase

K Tech Electrical,

1 2070

In aerodynamic turbines which element is NOT there a.stator b.compressor c. Fuel intake system d.fans

 1623

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Un-Answered Questions { Electrical Engineering }

what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?

1664

help me with the question that might be ask on the interview for technical position

1800

What is the difference between amorphous core transformer and CRGO core transformer?.

3162

We have 110Vac ,10A ac supply which is converted into 110VDC & How much DC current? which factor is reqired for dc current calulation?

4477

Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

1635




how to select diiferent power transformers of same capacity on no load loss and full load loss by economical point of view.?

1502

What is industrial plc

1298

what purpose to use excaiter in DG.?

2208

What is the efficiency during maximum power transfer?

673

How REF protects transformer alone? explain with diagram.

1001

How to check the thermocouple is correctly connected to cable for K type? (i,e positive pole is connected to non magnetic conductor and negative pole is connected to magnetic conductor)

1245

Please provided formula for calculate the cable size from step up transformer to M.V panel, run overhead aluminum cables, total load is 5mega watt, total length 900 feet.

1289

Define availability (operational)?

644

If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??

1550

How I calculate the ELCB for circuit breakers?

1650

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