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

what is meant by HT<?

5 8471

i am swathi, b.tech 4th year. In smps(switched mode power supply)we are using diodes,mosfets,igbts for controling of current. And my question is why we did not use thyristors(scr)? it is also act as a switch,then what is the drawback of scr as compared to above transisters> if we use the scr,then what is happening ? plz give reply as soon as possible bcoz i am doing project on smps. plz frnds i want ans for that. if anybody know the ans plz send to my e-mail id /swathi.tadakapally@gmail.com/

EEE, TCS,

5 10988

Please explain about FAT? What is the difference between FAT and SAT?

IBM,

6 33373

what is the VVVFD and?

4 14086

how to cal calculate capacitance in DC Circuit

1 4040

how to calculate the current capacity of a wire if its dimension in Square mm is given

TATA,

1 5131

sir,please give me some exam paper for referance. Thanks & Regards,

ONGC,

2155

wat is the optimum mix design for M25 grade of concrete ? is the ratio 1:1.5:3.65 correct?

ACC,

7 34674

On what principle reluctance motors work?

1 3981

What is the difference between magnetic loading and electric loading of a machine?

2 36623

How the size of electic machine vary with the sped? Between slow and fast running machines of equal ratings, which one is more economical to design?

1 3491

what is the relation between frequency and inductive reactance in a d.c supply?

L&T,

2 7018

Why machines are avoided to work is saturation region of B- H curve?

3 5869

Why different values of B’s (magnetic flux density) are chosen for DC machines and Induction Motors?

1 3228

How the output,losses and temperature of machines varies with linear dimension?

1 4898

Un-Answered Questions { Engineering }

Why a Permanent Magnet Generator has higher frequency as compared to frequency of main alternator?

1990

If you were to drill a circular hole in a sheet of metal and then heat the sheet, what would happen to the size of the hole?

1131

Z transform is use when system is not a) converges b) diverges

1677

why the exchang voltge is in minus polarty i.e -48 instead of +48

2052

what is hydrostatic paradox?

2269

Define lock-inrange, capture range, and pullintime of a pll

1126

Define enclosed seam?

what is a voltage follower?

1027

why do we use spark detector inside the slip ring brush compartment 0ona slip ring induction motor?

2093

In HI POT test what is reason for applying the AC VOLTS and DC VOLTS in different applications what is the nessesity for this ?

1936

why do you add the load short circuit impedance when considering short circuit amperage. It seems that you should only consider supply. If you need to consider loads and you don't know what loads are to be added , what would be a good sub-transient reactance rating for the loads?

1796

hi i am an CSE engg student and i cleared the PE exam of BEL 2012 both 24/07/012 and 01/08/2012 , so please if someone can help me with PE Interview question or subject or topics which i should cover that help me clear both Interview.PLZ help. my mail id is rjjkumar99@gmail.com

2086

What is meant by effectiveness?

1055

Minimum and maximum size of the building components

2233

Draw the circuits of cb, ce and cc configurations using npn transistor.

1122

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