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Engineering Interview Questions
Questions Answers Views Company eMail

What is Black-out and Brown-out situation in the context of voltage stability in power system?

 1 4924

What is the difference between pneumatic and electro pnematic positioner?

TCS,

3 34973

Pls tell me what is the exact current conducting capacity of copper and aluminium cables?how much capacity of cables need to 90kw induction motor&how?

 1 3684

Purpose of lighting transformer.

 2 4429

What is ill conditioned power system?

 1 8882

What is a captive power plant?

 2 6486

What is the % number of various buses in a typical power system?

 2 3739

On which side, taps are provided in tap changing transformers and why?

 2 5651

What is difference between flame retardant & flame resistance cable? Among which type of cable is used for ESD & Fire and Gas system application?

 1 7796

Related to control system, What is difference between 4-20 mA active & 4-20 mA pasive signal.

 1 6030

During the transients in alternator,the mechanical power input remains almost constant while the electrical power output changes significantly.Why?

 1 3543

While preparing the graphic diagrams trend display, 3 types of trends are prepared by Yokogawa system vender. These are for process variable, manipulated variable & set point variable. Why these 3 trends are required? Explain the purpose of these 3 trends.

1 3235

Amoung all types of short circuit faults in a transmission line which one has less number of occurance and why?

 1 3553

What is difference between “Fault Tolerant” & “Fault avoidance” PLC? Application where these system s are used?

 3436

What are various power system instabilities and what are their effects on power system operation?

 1 2910

Un-Answered Questions { Engineering }

What are the methods in tiles flooring ? What are the methods in brick work? What are the methods in plastering ? What are the methods in wall tiling?

1326

The linearity error for a digital input is indicated by what???

1597

Define What is unit weight of normal concrete?

665

# 4 hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible my email id is sumit_lig189@yahoo.co.in

1562

Which device produces voltage variable capacitor?

576




We have Diesel generator of 200KW. fuel consumption is always same,even connected light load or full load. Is it right?

1732

please send me samples of tech. & aptitude tests

1508

What do you mean by electronics? How is it different from electrical?

625

any one can send me instrumentation previous interview papers? I prepare for MNC Company Interviews? my mail id- Rakesh.Golla@dodsaldxb.ae , and another mail rakesh.gvk@gmail.com

1509

to vary valtage from 0 - max a variac is necessary . so how to design for high power applications nearly about 200KW power

1576

How to program micro controller?

3248

Explain overhauling stopsfor backpull our pumps?

1741

Why cannot we use leds for rectification purpose?

549

define inter-base resistance

733

how to ctrl motor by use of ac or dc drive.plz explain evdintly

1473

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