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 20052

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

Bhel, JTP, Kirloskar,

5 21761

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

1 3718

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

2132

How can we calculate the motor frame sizes?

Essar,

3376

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

3 5901

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

Aegis, Network Clothing Company,

4 24753

what is the fitter

DRDO, Gulf Spic, Hitachi, Maruti Suzuki,

6 26394

what are the strenth of 1cum brick work

5 11410

what is a difference b/w earthing & neutral?

ABB, KEC, Sterlite,

5 11631

why we used star delta starter for above 5hp motors

2 7655

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

2073

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

2 4793

Why Powers are named in MW?

1 4405

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 10561

Un-Answered Questions { Engineering }

write a program to set all flags in 8085?

2226

What is polyester?

WE ARE PLACE A NEW 75 KW MOTOR FOR JPF.IT IS CONNECTED IN M.C.C. WHEN WE ARE STARTING M.C.C.INCOMER IS TRIPPED.THEN WE ARE CONNECTED IN P.C.C WITH A MM30 RELAY PROTECTION THEN WE ARE STARTED MOTOR WILL RUN SMOOTHLY.

2025

describe about storage allocation and scope of global,exterm,static,local and register variables in c language?

2287

what is a random variable?

4157

What are the types of cyclo-converters?

1154

Explain an adaptive / self-tuning controller’s major draw card.

2291

what is the different between ferrite percentage and ferrite number?

922

can we replace a slot sensor (inductive type) with limit switch (potenial free contact / no-nc type).

1992

The great joint space programme sponsored by russia and usa?

658

Explain how fast is a jet plane?

1096

Pl. give me checklist for installation & commissioning of machine tool.

2255

where cascade loop use ?

1654

what happen if the parallel generator phase angle shift by 1 degree in manual mode

1999

What is difference between insulating medium and fault current interruption medium in a switching device.

1607

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