Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Engineering Interview Questions

Questions Answers Views Company eMail

Why the frequency of a system is changed if the load changes?

5 13951

What is the actual meaning of thermal power efficiency ?

2173

Why grounding is generally done in supply end?

ISRO, OFBL,

1 13374

Apparent power is expressed as V * I(Conjugate). Why not in V * I ?

3909

What is meant by electrical speed?

1 4472

What is the difference between induction generator and synchronous generator?

3 12696

What is the difference between solid grounding and impedance grounding?

2115

Current chopping mainly occurs in air blast circuit breaker.why?

1 13588

For high voltage and low current Circuit Breaker preferred is vacuum circuit breaker.why?

1 15141

Salient pole alternator is more stable, why?

2717

What is difference between stable and steady?

1 8408

Is there any difference of regulation of transformer, alternator , transmission line, if yes, what is it?

1 5241

this site is owned by an nonsense

Bhel, Prolific,

2319

can i use 10 mfd + 6 mfd instead of 15 mfd capacitor in single phase motor as running capacitor

3 8204

How to calculate impedance volt in Transformer?

2087

Un-Answered Questions { Engineering }

When was the first satellite of india, aryabhatta launched?

856

why we are using Load factor?

1955

How can you separate hydrogen peroxide into hydrogen and oxygen?

1103

what is the use of choper motor in pyrometer ?

2126

What is bodice?

How one may guess the direction from which the distribution line is incoming if there is no pole plate on poles?

2179

I have a reading off 1.5ohms at my mem my main c/b is rated at 40/6 amps in a domestic house and i was told to change it to a b curve c/b is this ok

1670

Draw a block diagramof Three UPS systems connected in Parallel mode?

2162

WHat is the general checks required for Dry type transformers

2085

How to calculate main incomer rating of APFC Panel ? Let's say i want to find main incomer for 11kV, 1000kVAR Panel.

1953

How can the race-around problem be solved?

1021

The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is

1972

What is a cryogenic fluid?

1120

What is smoke testing and sanity testing in software testing

1455

why it is not advisable to run low rating (19KVA) DG sets in parallel for long durations even though they are provided with droop ckts (QDC)

1906

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