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

why is steam-water separation equipment so important in good boiler operation?

5 9573

what is meant by excess air?

4 12985

purpose of primary and secondary air? causes of smoke?

2308

what is continuous-emission monitoring(CEM)System?

1 4656

how to calculate the 45 degree bent up length. if we given that whether the total length of the slab reinforcement will increase or not. mantion it clearly please. this is for bar bending schedule purpose?

Indian Army, L&T,

4 12932

In control valve there are two type of valve seat we can use metal to metal seat & soft seat.On this valve seat i have following doubt. 1)I have never seen practically the internal assembly of valve so my doubt is that basically weather the seat is soft seat or metal its basic MOC is same as valve body(SS or CS) only in soft seat we are using PTFE ring & place on valve seat & in metal this PTFE ring is not threr am i correct??????? 2)what are the common general rule for using metal to metal seat & soft seat,means its depend on process parameter like liquid,gas, steam & on valve leakage class.

1 2535

what's the meaning of the negative going half cycle in the circuit containing a bulb and a switch in series with a input ac source. i mean what happens in the -ve cycle. the dir. of current changes or any other thing. if dir. changes then why we use fuse in only phase wire.

2 5468

the movement of piston is necessary for starting the engine na. then how does the big vehicles start. their piston can't be moved when the engine is at standstill. what actually the procedure........

5 7136

I have 30KW Motor Starter Panel, System voltage is 480V, So i have to convert voltage 480 to 220V to give the contactor coil. How i can select control transformer, Which rating transformer i can use this panel, what is the procedure, please tell me.

2 5619

what is transformer

Hofincons,

7 8208

in transformers for ex. 100mva and 400kv the secondary current is about 420 amps but for selection of bushing the capacity of selected bushing is 2000A why there is such big difference ?

ABB,

2 4975

how can we find out the ratio of cement and sand in plastering

2 7293

what is draft and draft loss?in a boiler,how is draft created?

2346

what is the three types of combustion-control system?

2368

what precautions must be used when water washing a boiler?

2106

Un-Answered Questions { Engineering }

what do you mean by CPU register?

2057

what is total volume of ingredients used in concrete accordingly

2243

what is the apt definitions for apparent power ,active power and reactive power?and explanation about different types of lamps?

2425

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

1898

how oltc works in rectiformers of higher rating (27 mva,200v dc,120kamps) please provide me full information with diaggram.

2143

Do you have any tips for using 3G phones?

1906

What type of pump is commonly used is feed water system in auxiliary boiler?

1793

How the sizing of the analog signal cable is calculate?

2528

how to define tell me about self

1998

an anyone help me out to get hpcl officer's trainee paper's pattern....nithinjyothy@gmail.com

2092

What is the difference between plc and dcs control system?

1016

What is the main difference between Cavitation and Flashing?

14342

can any one send me all the interview questions and test questions on strength of materials . to devarajk23@yahoo.com

2132

what is dns?

1936

Pleae send me last 5 years of Question book about RRB chennai.

2292

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