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 8275

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 10812

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

IBM,

6 33075

what is the VVVFD and?

4 13846

how to cal calculate capacitance in DC Circuit

1 3931

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

TATA,

1 5050

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

ONGC,

2109

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

ACC,

7 34389

On what principle reluctance motors work?

1 3906

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

2 36521

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 3403

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

L&T,

2 6912

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

3 5700

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

1 3147

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

1 4797

Un-Answered Questions { Engineering }

What are the criteria’s involved in choosing mass balances for components?

1141

What is dyeing affinity?

What color are thermal oil piping lines?

1181

What is the thickness of slab for 600 sq each) 2 slab construction. What should be the size of steel rod?

1780

what is PWM in IGBT and how it works for drive.?

1608

Explain super alloys. What makes them useful for land-based turbines?

859

What does green field project mean?

1131

What is fold line?

I want to measure and control level in tank of size 10*5 filled with gasoline, so plz give me the solution with clear details. how to select transmitter and sensors.

2173

If you have two 132KV distance scheme and you are using fibre for comms but the two relays on are not compatible interms of comms what can you use to allow communication between the two relays.

1851

What are the drawbacks of prosthetic limb?

1038

what is the fuction of asstt. rigman drilling

4556

Define norton equivalent circuit?

999

What environmental controls?

964

How the circuit breaker is selected for Induction motor of 100 kW, 415 volt, 0.85 power factor, 0.95 efficiency ?

1562

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