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Engineering Interview Questions
Questions Answers Views Company eMail

what is meant by HT<?

 5 6710

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 9317

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

IBM,

6 30970

what is the VVVFD and?

 4 12226

how to cal calculate capacitance in DC Circuit

1 3150

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

TATA,

1 4411

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

ONGC,

1694

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

ACC,

7 32302

On what principle reluctance motors work?

 1 3283

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

 2 35416

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 2778

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

L&T,

2 5924

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

 3 4451

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

 1 2497

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

 1 3946

Un-Answered Questions { Engineering }

what is meant by LCR meter? where its useful ?

1568

what can passengers do to ensure safety?

685

why do you want to join tcs

1924

Diagram and details of polarity test for Current Transformer 11kv 400/200/100/1A

2553

whatis the test condition for the leakage current rating for 25kv high voltage test on PVC armoured cable?

1385




what should be the ideal gauge of wire (In sq mm) for different loads in Ampere?

928

our kks tagging is crossing more than 12 character please suggest how to take tags in the DCS

1658

compare brayton and otto cycle

1841

plz explain the auot-reclosing circuit in electrical engineeing

1902

In Galvonised iron and stainsteel pipes, in which pipe friction losses will more and why ?

2096

Explain dislocation theory?

564

is it possible to have dc motors on single chip

1346

Which power supply card required for Ultra BTS for AC 230 V input Which power supply card required for Ultra BTS for DC -48V

2763

Why you consider yourself suitable for the post

2467

What color are thermal oil piping lines?

766

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