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 8473

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 33374

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 34676

On what principle reluctance motors work?

1 3981

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

2 36624

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 3492

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 5870

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

1 3229

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

1 4898

Un-Answered Questions { Engineering }

Explain bernoulli’s theorem.

1060

Can you give me detail of Diesel Quality parameter in use of DG sets.

1992

What are the specialized grinding methods?

1141

pls someone send me sample question papers along with the key.thanks in advance

2388

cement and sand required for one block of size 0.23*0.15*0.46

1829

Why does a pure semiconductor behave like an insulator at absolute zero temperature?

1209

The screw thread commonly used for transmission of motion is one of the following types of threads

1137

boolean isBadBoy(boolean hasGirlFriend , boolean isMarried, int age , String middleName , String lastName , String[] brotherName);

2119

What is meant by input power factor in controlled rectifier?

1016

What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.

1347

Are you ready to comply with the employment rules and regulations if your CV is considered for employment?

5023

full process of gas turbin?

2105

How to convert binary to excess 3 code and vice verse?

1023

During Testing of Maintenance Free Earthing, How deep should be the Spikes of Earth Test Meter should be inserted in the soil(one spike is 15 Meter & Other spike is 30 Mtrs away from the Main Earth Electrode. Because, recently, we observed that when spike is inserted 3-4 Inch in the earth- results are better, If spike is inserted 1 feet deep than results are increasing.

1947

Explain Random and Deterministic signals?

1804

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