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Engineering Interview Questions
Questions Answers Views Company eMail

11 kv metering is done in my factory.Meter show PF 1.000 but kvarh lag&lead show 24&94 respectively & Avg.PF is .956 .? is what i do for inproove my PF to 1.000

 3 4582

how to check capacitor in general

 1 3462

what is the difference between Ith & Iu rating in MCCB. Particularly on SACE ABB Circuit Breaker?

Siemens,

2 16330

I have an existing old MCCB. ABB Model SACE, the rating are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800 amps at 45 deg C. I need a circuit breaker for my 3 phase motors, 380 volts 60 hz. the supplier required the minimum ampacity of the breaker to be 911 amps. can i use this breaker with rating of Iu =1250 amps but Ith = 800amps maximum?

Siemens,

1786

if a member of mass 100 gram travelling with 10 m/s hit another body,and the final velocity is 59 m/s.what is the mass of second member

NTPC,

4 4957

How to calculate transformer capacity requirement for a project site?

ABB,

5 22607

Difference Between B Curve & C Curve in MCB.

 3 62912

which fit is this 177-S6?

 1606

If any changes done in the process of production what that is called.

 1400

What is the difference between sensitive earth fault and restricted earth fault in power transformers?

 4 50493

which INDIAN STANDERD in Mention the earth test value?

 1 3487

what is the use of piston rings in the engine used for a generator...........

 1699

what happen if drive input fail momentry at 48.5 HZ frequency?

 1511

what is the reason for drop in freq. from 50 hz at generating side to 49.8 ,49.6 etc.at receiving side???

 2 3718

Write the fetch cycle and execute cycle for following instructions:JMPNZ (jump to the given address if the accumulator not equal to zero) RET(return from a subroutine) ADB (add the contents of register B to the accumulator and save result in the accumulator).

IBM,

1778

Un-Answered Questions { Engineering }

Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.

4827

My gre score is 283 and ielts is 5.5, will i get i20 for this score

1052

What are marginally stable systems?

677

why the frequency and voltage in india is 230v and 50HZ. when compared to USA say 110v and 60 HZ.

1011

what are the different types of database servers

1471




the conditional jump instruction in 8086 have a displacement of more than 1 byte.explain how would you tackle a situation in which it is required to branch,on some condition,to a location which is more than 120 bytes away.

1858

Suppose you want to form a conceptual model of UML.What elements would you require for this purpose?

1599

Why delta star trformers are used for lighting loads?

742

what happen when there is moisture in the TX valve?rac

1343

what is thermal resistance of PVC Cable.

1361

What is the effect on Power factor and capacitor when your company load is more than 70 % of welding transformer

1348

question no. 4======Give a brief description of the following terms: a) Play head b) Symbol c) Tweening d) ActionScript e) Frame rate f) Library panel g) Masking h) Context – sensitive Property Inspector i) Bandwidth Profiler j) Frame Label

1447

How to convert a binary number into bcd number directly and vice-versa, without converting it into any other number system?

568

what is alluminium arm in ab conductors

1512

c ka base kya hota hai? what is communication?

4725

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