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 7375

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

UPSC,

1 5642

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

1 4186

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 3630

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 3737

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

2 5494

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

1 5514

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

Bhel,

3 6148

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

2 4995

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

4 6952

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

3 5942

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

2 5494

Why annealing is done on transformer core manufacturing process?

ISRO,

1 13101

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

1 3648

What are various accuracy classes of CT(Current Transformer)

1 4831

Un-Answered Questions { Engineering }

Tell me what is clean finish?

What is an atopy?

980

1. How many types of mangers? 2.How many types of capacitors? 3.pls tell me normally types alternator problems?

2255

please send the last 5 years {{{JUNIOR ENGINEER - ELECTICAL, ELECTRONICS RRB CHENNAI}}} TECHNICAL question papers TO MY EMAIL ID pushpapappu@yahoo.co.in

1852

State faraday`s law of induction.

964

What is input offset voltage?

1002

how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)

2296

How does a tank-blanketing valve operate?

1178

what is the responsibility of an instrument commissioning supervisor

3108

How to Create the Node file with 2 E1 (4+4+4) & EDAP.

1886

How do you classify shapers?

1023

why does a microprocessor generally hAVE more address lines than data lines?

1912

how many re use can use shutting material. timber ? ply? steel? plastic? fibre? aluminium? Doka?

2397

what is stroke check for field instument transmetter's & AOV's

2144

Can a transistor be obtained by connecting tow semiconductor diodes back-to-back?

1312

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