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 to calculate the torque of a motor?

2191

Is VVVFD reduced the starting current of an induction motor?

1 3570

Why ELCB trip, when neutral touch with ground?

1 4794

What is the important precuations need tocarried out while working with Electrolite in Battery PM?

1958

Why battery chargers are use in substation?

5 27354

What is IPXX?

2 11717

What is core CT & it's function?

2238

A ii kv 1200 A Breaker combination fixed in a cubicle. How many ampere Fuse is required? If fuse is not using, Why?

2046

What is the important parts of SF6?

2 5577

I decided to provide a 11KV / 440V Xformer in my Substaion. What are the protection required for that?

5 9111

A 150KW 440V motor is need to replace in the field instead of faulty one. what are the main parameter should I need to check?

1 4445

Why fuse is? What will prevent by fuse?

2 5073

What are the fire Estingushers use in electrical fire?

3 6141

What are the usege & different between UPS & batteries with charging system in in Substation?( UPS 120V AC & battery charger is 120v DC)

1 4343

What are the differents between Breaker & Contactor?

8 63499

Un-Answered Questions { Engineering }

what is the strongest metal? How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny? Define what is the cause of this?

1001

how to calculate total cost for slab 35'×8'

1975

Name any three mineral fibers?

how we relate superheating & subcooling with chiller load

2277

please tell me how a surge protector work on a DC 48Volt.? please describe briefly.

1917

Explain encoder definition?

1218

If we are given a 10 amp cable type and asked to calculate the number of cores used and the thickness of the cable, how do we do it?? please help...urgent!! i hope the question is clear enough!!

1893

Define dart?

Why we use circular(Stepped) cross section in transformer core?

2300

is there any current and voltage drop on liquid resistance starter water/soda tank ?

2056

can hyrogen be used as fuel in parral with coal in boliers

2015

comparision between ACB and VCB

2423

what medal conducts heat best?

1056

what is digital communication,digital electronics,flip flops,gates,buffer,memory and draw the diagram of flip flop,buffer,gates,memory?

2553

Why an ordinary junction transistor is called bipolar?

1193

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