Engineering Interview Questions
Questions Answers Views Company eMail

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

5 12259

What is the actual meaning of thermal power efficiency ?

1591

Why grounding is generally done in supply end?

ISRO, OFBL,

1 12488

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

3448

What is meant by electrical speed?

1 3712

What is the difference between induction generator and synchronous generator?

3 11214

What is the difference between solid grounding and impedance grounding?

1539

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

1 12746

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

1 14312

Salient pole alternator is more stable, why?

2078

What is difference between stable and steady?

1 7605

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

1 4306

this site is owned by an nonsense

Bhel, Prolific,

1762

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

3 6929

How to calculate impedance volt in Transformer?

1548


Un-Answered Questions { Engineering }

How Load Factor, Demand Factor, Diversity Factor etc best applied in designing an electrical circuit? Is it allowed to consider these factors in each and every panel in an electrical distribution system? Can any body suggest a good book for reference?

2458


I heard that the acetylene cylinder pressure can't be brought down below bar while using for welding activity. Is it true. . If so pl explain why

1784


Define the terms Accuracy, precission, Spam, process tolerance while doing calibration of an instrument? Explaini with an example?

1564


What is aircombining?

1751


how to design orifice plate?what is the equation?

1632






The size of shaper is specified by ?

672


Explain what is clipper and clamper circuits?

690


why we can stote dc? why we cant store ac?

1616


how we can do the insulation on secondary of ct explain and so that tan delta will within limit

1452


. how will effect of water injection on turbine load and corresponding MW output(not water washing)

1473


2- What are the percentages between excitation currents in phase (R, S and T) in ∆ and Ỵ connections in excitation Current test in transformers?

1592


What is pneumatic system?

699


Differentiate orthographic and isometric projections?

642


What are the no-load losses for the 11000/415V transformer with the following rated capacity? 1.1500 kVA 2. 2000 kVA 3. 2500 kVA 4. 3000 kVA

1157


What is the density of Fiber reinforced concrete and give me the which fibers we can use in Concrete?

1590