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

how we can select a transformer based on a particular load. suppose we have 4 motors of rating 40 h.p , 50 h.p, 80 h.p & 100 h.p. then what rating of transformer we can select. urgent. pls reply

6 20253

What you would like to contribute to BHEL’s growth?

Bhel, JTP, Kirloskar,

5 21920

pls give proper discription of selection of transformer based on particular load.

1 3767

what is a reactive power? what is the relation with power factor?

2187

How can we calculate the motor frame sizes?

Essar,

3409

when we are going to higher voltage level in substations why we are using Sf6 circuit breakers instead of Vacuum circuit breakers.

3 6015

what is the formula to calculate the fuel consumption of a diesel generator at different diferent load.

Aegis, Network Clothing Company,

4 24881

what is the fitter

DRDO, Gulf Spic, Hitachi, Maruti Suzuki,

6 26644

what are the strenth of 1cum brick work

5 11606

what is a difference b/w earthing & neutral?

ABB, KEC, Sterlite,

5 11884

why we used star delta starter for above 5hp motors

2 7747

how to select a pump (in hp) for lifting water from a Borewell upto a height of 320feet? Is there any thumb rule?

2115

Hi Recently I got one formula that is Impedence of Xformer = Rated KVA/Root 3 * secondry voltage OF Xformer. Is it Right??????

2 4886

Why Powers are named in MW?

1 4485

If Two Generators are working parellel in a network and suddenly the field of one Generator get weakened What will happened if there is no reverse power relay fixed in that Generator panel????

7 10764

Un-Answered Questions { Engineering }

draw a circuit diagram connecting transformer OLTC- RTCC- VCB-Marshalling Box otherwise Explain in words

23127

What are topping and superposed turbines?

1286

How does a traffic light signal work ?

2320

What is the use of control cable?

1152

how to calculate cable size in diffrent loads?

2083

Do you know what is ‘natural fibers'?

Tell me what is fiber?

Define What is aggregate?

1175

What are the measures taken to save the aircraft from lightning?

1171

Explain what is electric traction? Explain few advantages of electric traction system?

1156

Why synchronous motor is used in power factor improvement,dc series in lift

1662

HOW TO PREPARE FOR HPCL WRITTEN EXAM?

3836

What are the different types of civil engineering?

1159

Describe the working of 3φ fully controlled bridge converter in the rectifying mode and inversion mode. And derive the expressions for average output voltage and rms output voltage?

1172

how to calculate mf when meter and cTPT detail are given

1841

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