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 the suitable voltage of transmission line to transmit 10000w power through 250 km. (a)11kv (b)33kv (c)66kv (d)132kv ]and please tell me whats the logic behind it

ONGC,

7 21380

dialation means

APGenco,

2474

tell 2 reasons for why only copper is used in domestic wires& only alluminium in transmission lines ?

ABB,

10 17879

what is reactive power ? what its role in transmission lines?

Thermax,

3 12798

Why we are mostly using a single 3-phase transformer instead of three 1-phase transformers?

7 12564

what is the diff. b/w restricted earth fault relay & standby earthfault relay and where they are used?

KSK Energy, Reliance,

4 72446

Why same casting has different hardness and machineability properties? One spot it is found hard for machining and another spot soft? It is FG 260 grade for Cast Iron.

4 9256

what is mechanical engineering?

6 10176

WHY WE ARE EXPRESSING KW-HR AS UNIT OF ELECTRICITY.........?WE CAN EXPRESS IN ANOTHER UNIT.....?

Summit Power,

4 8242

Sir can u send the Transocean written test paper format or interview questions?

TransOcean,

1 5885

why current increases when voltage decreases in ac system

10 28442

How does a star connection and delta connection work? How does the star connection save starting current and how does it change to delta?

3 12552

wat is six sigma course ? is it good for civil engineers . wat is pmp certification ? is it good for civil engineers .

CCCL,

1 6313

how much loading in terms of ampere can put on 5 MVA,33/11 KV TRANSFORMER having rated current 263 Amp ?????????

ABB,

11 37418

What is basic difference between Soft Starters And VFD drives?

IBM,

19 52073

Un-Answered Questions { Engineering }

What is flocking?

Pl. Brief about DNC.

1809

What is meant by current commutation?

1140

What is the ignititon temprecher of Diesel,Petrol&Carosion oil.

3226

What kinds of decision are made about CT from it's Knee point(voltage & current)?

5119

Before casting a basement roof slab which is connected with retaining wall surcharge load (i.e. sand or earth filling) outside the retaining wall is prohibited because of––

2424

why there was 17 stage of compressor in the most of the gas turbine . depending on what?

2105

Define steady state error.

1114

what is v/f control in VFD?

1567

How can we measure the residual voltage in dc machines?

1897

how to changeover ups in this power failur time?

2016

How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?

2929

How to design 12*12*14 room having rrc slab ,coloum, beam,foundation?

1869

What is the use of radar?

1278

can any one give 10 ways to create a file in unix...???? through command prompt....

2505

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