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

Satellite Systems Engineering (106)
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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 15830

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 11212

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

2250

how to reduce earth to neutral voltage?

Field Gun Factory,

8 26682

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

2052

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 3478

Any one can explaination about calibration with rotating sub standards?

2072

What is the basic working principle of Tri vector meter?

TCS,

5 31982

What is the difference between double compression

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

7 58952

how current flows in circuit?

11 17936

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,

2474

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

6 32539

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

1 3589

What are LAPD and LAPDm?

Qualcomm,

2 24742

Un-Answered Questions { Engineering }

what is Anti-pumping?

1941

Define What are the materials used in building a gravity dam?

1258

what is KV and XV valve

1796

WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.

2705

what were the challenges you faced during the project technically and how did you cope up with that?

1921

what is 400kv doble circuit quadpole tower?

1947

What are the advantages and disadvantages of using plastic and timber fenders?

1154

SIR, ME AND MY FRIENDS(MECHANICAL ENGINEERING STUDENTS) PLAN TO GO TO CHENNAI FOR INDUSTRIAL VISIT. MAY I KNOW HOW TO CONTACT THE MAJOR INDUSTRIES, PROCEDURE FOR HAVING A VISIT THERE, AND OTHER DETAILS. COULD YOU PLEASE HELP ME

1897

difference between fc and fc'?

1750

What are the maximum packet size of: a) HART b) Profibus DP c)Profibus PA d) DeviceNet e) Foundation Fieldbus

5862

How much of fly ash is allowable in Portland cement and what is the disadvantage when the level of fly ash is increased?

1815

what is meant by impedance & transient protection?

2107

give comparison of three wire & two wire sensors.

2054

What is the use of radar?

1260

Explain the function of Finance Department.

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