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

Classical power system stability was mainly focussed on rotor angle stability but modern power system stability has more focus on voltage stability.Why?

4 7392

What are the circuit models used for analysis of medium length transmission lines? Which one is superior? Support your answer.

UPSC,

1 5651

What are the typical values of characteristic impedences of overhead line and underground cabel? Why there is so much variation?

1 4195

Is the magnitude of force acting between two conductors running parallel and carrying alternating current remains constant? If not what will its frequency if frequency of AC is 50Hz?

1 3638

Is the force acting between two parallel conductors of infinte length carrying AC of frequency 50Hz remians constant with respect of time? If not then what would be the frequency of the force acting?

1 3747

Why and which type of tertiary winding is used in most of the power transformer?

2 5513

What is the basic difference between synchronous machine and induction machiine?

1 5522

Why we use signal&voltage isolator between source n load.

Bhel,

3 6161

Can the field winding in synchronous machines be placed on stator?What is the limitation of such arrangement?

2 5000

An alternator is started without excitation then how much voltage it will produced at strating at full rpm??

4 6963

the compression ratio of petrol engine is always less than c.r. of deseal engine why?

3 5956

Why the design of electromechanical energy conversion machines is based on the medium of conversion as megnetic field not as electric field?

2 5508

Why annealing is done on transformer core manufacturing process?

ISRO,

1 13111

What is the approximate percentage of Si content in transformer core(CRGO-Cold Rolled Grain Oriented)? Why it is kept so low?

1 3652

What are various accuracy classes of CT(Current Transformer)

1 4834

Un-Answered Questions { Engineering }

I meggared my 2c*70 sq mm AL AR XLPE cable. its one end show 50 M ohm . is my cable is safe for laying. I have only one phase and neutral.

1814

please what are the required bars for a beams of 6mx6m and 450x300mm, one is continuous and the the second is discontinuous ..Its a commercial building (church)

1783

Define resonant peak?

1071

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1959

Why are steel plates inserted inside bearings in elastomeric bearing?

1246

what is the field bus calble ? what are diffrences in orang colur cable and black coular calble ?

2942

What is snubber circuit?

1015

How To Convert Apparent Into Real Power Without Knowing Reactive Power?

1731

Explain the role of a car driver as one of a feedback mechanism.

1135

What is the relation between the thickness of the thermal boundary layer and the depth of the hydrodynamic boundary layer?

1114

Hi where can i get catia v5 r16 help files

2290

write down the formula of cable size in RM if current is 50Amp.

1296

How many types of probe used in cro?

1159

How to design the no. of ceiling fans required in 5mtr X 10 mtr X 3 Mtr hight room?

2099

WHAT DLC DESIGN IN CONSTRUCTION

2047

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