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Electrical Engineering Interview Questions
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Can I use RCCB in moisture control device in a submersible pump.

TATA,

2 5569

how the direction of rotation in a dc shunt motor could be reversed?

 2 3607

in the exciter the power is feeded from battry or control or whatever.and we need it in the generators for the stating . do we need it in the shutdown also?i mean the exciter>

Shell,

2 3682

What is proximeter? where it is used and why?

 1 4024

why protection meter is always connect to star

 1 2639

Can we use same copper cable for both AC & DC power.

3 4758

why the earth pin is thicker than other pins in a plug? If it is for reducing resistance, then why the copper earth wire is not so thick as earth pin of socket?

Omax,

5 7415

why voltage will come different in phase?

HP, Vissa,

3 4874

What is the full form of GSL wire

Bhel, GSL,

8 26233

wil a dc motor run without a starter??

MRF,

9 19407

how do we fix the rating of mcb required for a specific capacity of the electric motor

 2 5015

if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)

 1 3149

Require Generator Capcity ( KVA ) for 3 Phase Motor having 4.7Kw with starting current of 16amps?

 1 3640

diff between UPS and inverter?

 2 4835

why we dont prefer ac voltage controller instead dimmerstat [if both have same rating] for conducting experiments in laboratories?

 1773

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Un-Answered Questions { Electrical Engineering }

How to calculate Grid rotor resistance(GRR) losses in slip ring induction motor?

3766

The height to which the liquid in a tank to be maintained for a certain constant velocity?

1578

why is the conservator tank painted white on the transformer

2695

LET ME NOW MORE ABOUT icu and ics for circuit breaker. how we calculate the rating of circuit breaker and i c u and ics values

2508

how to avoid Saturation in C.T?

1637




PLZ sent the previous year question paper for GET in NHPC on my EMail id ppshanker@gmail.com

5024

If a transformer primary winding operates at 240v, the secondary at 120v and the load is 1500w & the transformer is rated at 92% efficient, what's the current flowing through the primary winding of the transformer? What is the formula for finding this?

1820

WHAT HAPPENED DC SERIES MOTOR FIELD WINDING OPEN. CAN POSSIBLE.

3311

why use phase displacement in transformer.and effect of phase displacement on transformer

2401

EXPLAIN USE OF ROCKING ARRANGEMENT IN ELECTRIC HEATING?

1446

What is real time power factor control panel(RTPFC)?

3901

explain comutator action in detail.thanks

1818

HOW TO CALLICULATE RESITENCE,REACTANCE AND IMPEDENCE VOLTGE OF TRANSFORMER 13.33 KVA 144/240 VOLTS 93/56 A WITH FORMULA

1609

Does all the output contacts (N/O as well as N/C) of a Numerical relay operate when relay receives a binary input/inputs or contacts are designated to specific logic input/inputs and only these contacts operate?

1675

why capacitance effect is predominant in underground cable transmission and inductance effect is predominant in over head line transmission?

3271

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