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 8755

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 11236

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

IBM,

6 33674

what is the VVVFD and?

4 14306

how to cal calculate capacitance in DC Circuit

1 4157

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

TATA,

1 5251

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

ONGC,

2212

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

ACC,

7 34986

On what principle reluctance motors work?

1 4075

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

2 36759

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 3586

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

L&T,

2 7139

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

3 6061

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

1 3343

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

1 5027

Un-Answered Questions { Engineering }

what is dns?

1995

What is rate of concrete surface rendering work per sqm

2096

Why it is necessary to isolate fire fighting when you are taking shutdown for lv board.

1696

What do you understand by leds? How do they work?

1066

How to calculate MCB Breaking capacity.

1581

What are the conditions for sustained oscillator or what is backhouse criterion?

1205

how do we calculate physical address if logical address is given in the question?

2978

what is POTT and PUTT explain?

3438

What is primary and backup protection?

1216

how to make an earthing certificate

2303

What is kirchoff ’s current law (kcl)?

1149

Explain the difference between circuit switching and packet switching?

1135

What is a flip-flop?

1169

discuss the technique for implementing high performance computing

1681

What is tether satellite?

784

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