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

Why stainless steel is corrosion resistant?. What is stress corrosion cracking?.

6 11540

How will you size a pipe?. What is Darcy's formula?. From where you will get friction factor "f" ?. In darcy formula substitute f = 16/Re and now you see hf proportional to V instead of V square. How do you explain?.

IGCAR, Tekfen,

2264

What is Natural frequency of Vibration?. Imagine a circular disk of radius 'r' is oscillating inside a Semi circular ring of radius 'R', how will you find natural frquency of the system?.

College School Exams Tests, IGCAR, Super Max,

2 14057

What is critical pressure ?. What will happen if water is heated above critical pressure and temperature?. What importance it is having related to Boiler?. Upto what presrure natural circulation is possible in Boilers?.

Honda, IGCAR,

2507

how we calculate torque ? how we improve it ?where torque will either motor or generator ?

Reliance,

2081

how much current we can get from 11kv overhead line ?

8 23027

what is difference between OP AMP and differential amplifier?

TCS,

5 19149

What is the difference bet ween EDO Type & MDO type ACBs, and what is the advantage EDO Type over than MDO type ACBs.

Siemens,

2 63348

how brushed dc motor operating ?

1904

how brushless dc motor is operating ?

4 6732

We have a 33/11kv switchyard having 12.5 MVA power transformer. We export & import power through this transformer. When we export power, the PF will be depend on GRID PF & when we import power the PF will be depend on our load PF. but the problem is that,when neither we export nor import but our 33KV vCB is in close position,our meter read the power factor 0.14 to 0.25 at that moment. So how can be we improve the power factor at that moment.

3 6528

what happens if power factor is maintained at 0.9?give me the answer in technicall way rather than telling the penality n all

NCC,

5 10780

what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?

Toshiba,

3499

How you Confirm the Hard stratum for Driven cat in situ Pile work?

L&T,

5 9828

Is 456 revised lastly in which year? & What are the revisions?

L&T,

19 35355

Un-Answered Questions { Engineering }

what is a vector protection in transformer

2047

What happens when an inverter is placed between both inputs of s-k flip flop?

1055

Horse power of i.c. Engines can be expressed as rac rating, sae rating, or din rating. To which countries these standards belong ?

1356

What is frantic effect?

1285

Is Solid work and solid edge best programs for drawing? what is the difference bewteen them? r there better softwares?

3197

what is the value of TEI ist T1?

1982

Could you measure voltage in series?

1290

How we calculat the NGR of 3phase Generator, Our generation voltage 11KV

3318

diff b/w normal grounding and resistance grounding

1951

how to select the mpcbs and contactor for 3 phase 30 hp star delta motors.for plc control.and tell me the calaculation for future use.

2001

Why is the air gap between the pole pieces and the armature kept very small?

1411

I have completed B.E. Instrumentation & control in 2009. i have 3 year industrial job experience in chemical plant.now, I want to join M.E. in external. so, Plese say easiet way and good institute name.

1908

Explain the hooke`s coupling.

1162

How much should be the load percentage for 15kva Inverter and Iinut & I output load with Calculations

2128

Explain about Pattern making and Pattern grading

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