Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Satellite Systems Engineering (106)
Engineering AllOther (1379)

Engineering Interview Questions

Questions Answers Views Company eMail

what is a diffrence between MCCB, RCCB, MCB, & ELCB ? what is rated current e.g. on motor name plate indicated that is rated curent? what is full load current? If we run D.C. motor with mechanical coupling and we measure voltage on terminal it shows voltage or not ? same in AC also possible ?

Reliance,

5 15854

WE are using a 63A MCCB(SIEMENS MAKE) for one of the feeder in LV substation panel.It is supplying to a lighting & power socket DB.Settings in the MCCB is Ir = 63 * 1 , Isd = 8 times of Ir , tsd = 0.5 sec( I2 t off). Sometimes this MCCB is tripping .But no trip in DB MCB. Can anybody tell me reason ? From where i can know about the MCCB settings?

5 11229

Can we weld hot rolled steel ASTM A615 ? Please Give the detail answer please thanks alot

2251

how to reduce earth to neutral voltage?

Field Gun Factory,

8 26702

why the exchang voltge is in minus polarty i.e -48 instead of +48

2056

what happens when a cdma user becomes as a roamer?

HCL,

2008

what is the differnce of STATIC ENERGY METER FROM ordinary energy meter?

1 3486

Any one can explaination about calibration with rotating sub standards?

2074

What is the basic working principle of Tri vector meter?

TCS,

5 32006

What is the difference between double compression

Bhel, Hyundai, Orchid Chemicals and Pharmaceuticals, PDO, Prefamac,

7 58966

how current flows in circuit?

11 17981

Which code specifies the specification ofthe construction joints to be provided in the raft slab of a basement which is 6 m deep.what should bethe detail of such a joint?

L&T,

2481

What is the current flow in 230v ac supply ? What is the current flow in 415v Ac supply ?

6 32556

three phase electronic energy meter have how much voltage in combined both r,y,b & why?

1 3594

What are LAPD and LAPDm?

Qualcomm,

2 24749

Un-Answered Questions { Engineering }

describe the A.C. Generator Testing procedure

2179

what shoud be strength and weakness to impress interviewer????????

2070

i m a student of 4th year ,i m unable to get the embassy appointment dates , and it details.............please help any body.My id=john_searching143@yahoo.com

1848

what is intrinscily safe system and where we use?

2530

Explain what is the method involved in analyzing powders for composition?

1162

Explain what is meant by saying at what current is transistor biased?

1110

How maesure earth neutral value & how much maximum value value required in between earth & neutral.

2077

what are the principles of a booster converter?

2069

How cooling Tower height selected

2612

in mass flow meter what is drive friquancy ?

2110

what is the class of generator A b & c

1631

Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?

1499

What is applique?

why effective resistance should be more than static resistance in transmission line?

2102

What is the maximum recommend pipe velocity for dry and wet gases?

1175

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