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Engineering Interview Questions
Questions Answers Views Company eMail

What is difference between Dy11 & Dyn11 vector group transformer. Can both these transformers operate in parrallel.

Jaypee, JOY,

5 60560

why we are using auto transformer in sub station mostly???

 2 10765

what is the relation between KVAR,KVA,KW?why we are mentioning capcitor rating in kvar?what is meant by arcing horn and horn gap in transformer?what is equipotential wire?

 1 6095

What is the method to calculate the capacitor bank rating for say 50 KW load and how do we connect each capacitor to busbar??

 4 11840

In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.

HAL,

1640

If we touch the Capacitor terminals you feel shock after the capacitor was put in operation and not in case of inductor though both are energy storage elements.why?

HAL,

4 8739

What is the full form of SON-T lamp?

HAL,

1 11018

What unit is used for measuring comp. outlet flow. it is CFM, M3/hr or NM3/hr. ?

Jk Tyres,

5 7623

main() { int i=5; printf("%d%d%d%d%d%d",i++,i--,++i,--i,i); }

 5 4795

what is the specification for silt content in sand

 8 52773

what is the procedure for flakiness and elongation index

 1 6045

When calculation of fault current and fault Kva is to be done,why always we use per unit value and why we consider the base kva?

 1439

cement mortar1:5 12mm thick and one bags cement how much area pleastering please give anwser

DeSigns Inc, L&T, Marg, Sand, Vee Technologies,

12 92800

What is DCS and PLC scanning time?

 5 16595

which is the best type to measure level of a Tank(water). Displacer or Differential Pressure method?

 2 7801

Un-Answered Questions { Engineering }

how to calculate detail quantity of bricks and mortar for 500 cu.ft masonry work. consider wall thickness 9 inches

1209

hi friends kumar here if anybody of u have essar placement papers than plz send it to me i need it urgently..ok mail id is kskalyani@gmail.com

1477

What do you mean by after treatment?

1

why we are using stub column..? is it possible to construct steel stub column..?

1506

Why air circuit breaker off due to power failure?

700




Z transform is use when system is not a) converges b) diverges

1169

Explain the purpose of o-ring, wearings in the centrifugal pumps?

714

Give details of your interested designation, the post you are interested to serve the company better and explain why you think you can serve the company better in such position if employed?

2825

What is the fibre used to create linen?

3

Describe a contribution you have made to a project on which you have worked previously?

2020

If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??

1550

Explain about each property used in mechanics?

586

plz send me the syllabus or any sample paper for engineer trainee recruitment if any,on ravinder911@yahoo.com

1681

What is a projection line?

701

What is meant by reset level of the relay?

674

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