Engineering Interview Questions
Questions Answers Views Company eMail

what is static excitation and dynamic excitation of synchronous generator,scr excitation is a brush or brushless excitation?

6 28865

Sir, plz tell me the relation b/w KW and frequency in Variable frequency Drive?

2 4130

sir, plz tell me how much kvar capacitor required for 1000 amp or 500 Kw load ? what is the formula ?

CSPL,

14 32736

During he starting up of the motor, the upstream's MCCB (350A) always trips due to the UVT relay activated. Can Star-delta starter use for a 20kW Motor (For a powder mixer machine) cause voltage-dip in the supply line voltage? If so, what are the recommended solution to eliminate/reduce the transient voltage dip in the line voltage?

4 5476

what is meant by shear resistance in concrete?

CCCL,

1679

Hod do u calculate cable size for underground laying and the factors effecting/influencing it??

Kuwait Oil Company,

4 13749

i need NIC written test paper or give me any idea about written exam.Plz send me at smileever8@gmail.com

NIC,

1682

sir pls send the je exam - 2008 and other model question papers..

1655

what is the criteria for selection of conductor used for ehv ac electrical dischrge

National Productivity Council,

1605

In an LT pole, the line voltage is 415V. How is it converted to 230V into the house via the service cable?

10 15550

sir please provide with the technical papers of mechanical stream at earliest for hpcl exam..or refer any link to get the same??????

HPCL,

1472

we need a ntpc previous papers

1445

why do we lay up the core of a cable?

1604

how does the thyistor work in dc drive?

1543

Please send me Sample papers National Informatics Centre (NIC) Programmer. I am giving this paper first time..so if any one have previous question papers send to manoj200.yadav@gmail.com. thnx in advance

NIC,

1432


Un-Answered Questions { Engineering }

Will an earth leakage trip be activated if the component or wiring is faulty on low voltage equipment.Example An electrical Cat Scarer placed in the garden and water gets into the wiring.

1418


In C language the condition(4%2==0) and in scanf statement the declaration as %d for integer.Now in the first condition it performs the modulo operator but why it is not so in scanf statement?

1526


I need some information on EOT CRANES AVAILABILITY calculation and criteria.

3809


What do you understand by external characteristics of a d.c. Generator?

645


what is lrs tank water resistance.

2072






What are capacitive,resistive,inductive surge absorbation? What is ferranti surge absorber? What is lagrangian cost? What is Px operator?

1489


Why injector pressure is used in heavy vehicles?

629


What are the properties of roc for z-transform?

605


how i can calculate the size for fire cable

1494


Is there the dry coefficient of cement is constant?

1829


features of hbc fuses

1939


why the profile of shell of natural draught cooling tower is hyperabolic.

1609


What is the reason PT speed not incresed in gas turbine?

1908


Which is stronger, tungsten or titanium?

610


what is the use of the puls transformer in UPS & how it works???????????

1661