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Electrical Engineering Interview Questions
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For the same power rating,which motor is bigger in size,AC or DC?

Bhel,

9 15595

i have done my b.tech in 2009 .still hunting for a job...wat shud i answer if intervevwr asks..(what u have done 1yr)

TATA,

1 2910

what is the mager value of star motor and delta motor between phase to ground and phase to phase, and minimum how much should be value ?

 1 5335

what are the difference between PLC and embedded

 1639

What is the equivalent circuit of a transformer and its vector diagram?

Bhel, Madhucon,

2150

Why PT is fitted in incomer panel.....?

1 4928

plz send me the procedure and syllabus for mseb exam

 3405

How to identify 3 phases of 3 phase supply irrespective of there color????

 1 4915

i wanna know that star point in transformer becomes as a neutral on secondary side now tell me that how is that possible?because if joit the all three winding ends with each other it can b short circuited.dut it doesn't.WHY?pls Answer me in brief.thanks alot

 1 2997

hi sir i have load of 17.5kw in 3 phase lighting circuit which mcb i can use

 3 4558

How is earthing done in Aerospace applications such as Flights and spaceships..?

 1 3634

what is the pressure of vacuum circuit breaker

 2 3999

what power factor should we maintain to get maximum benefits our organisation load is 10 MW? is it best to maintain the PF at .96 rather than Unity to save electricity bill?

 1 2577

what parameters should we check to reduce the power bill

 1823

WILL SCHNEIDER MAKE ACB(MASTERPACT)TRIP ON REVERSE POWER?

Schneider,

1802

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Iwould like to know barc interview questions

2637

take 100kva DTR( delta/wye ), what ll happen if we connect 11kv to LT side instead of connecting to HT side? will the DTR behave as a step up transformer or something else????

1798

what is meant by rotating magnetic filed

1513

we have two generators different capacity on 15 MW and other 6MW at 11 KV , 15 MW gen. bus short level current 40KA,and 6MW short level current 25KA,, length of cable 100MTR between 6 MW from 15MW gen. for bus coupling . kindly tell any one can we use both NGR OR one NGR from any GEN. BOTH NGR has diff. rating. Tariq pakistan

1206

What is block diagram?

638




what is meant by residual over voltage & residual earth fault ?

8418

Define conversion efficiency of a power amplifier. What is its value for class c power amplifier?

768

What is shutdown of electrical sub station?

1931

What is meant by Load Encroachment in OHL Feeder Protection?

3097

i have flexible wire. size of conductors is 0.190 mm & no.of conductors are 48. then size of wire comes 1.37 sqmm instead of 1.5 sqmm . the what is tolerance for this size.

1305

how to find the voltage's of a transmission line plzz help with pictures i am not able to understand

773

A ray hit a smooth regular surface at an angle of 20 from the normal. Calculate : 1. The angle btw the incident and reflection ray. 2. The angle of deviation.

1441

what things to be considered when designing UPS

1288

Difference between megger test equipment and contact resistance meter test instruments?

893

why dc is used in control circuit for mv & hv switchgear instead of ac

1444

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