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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 9590

what is meant by excess air?

4 12993

purpose of primary and secondary air? causes of smoke?

2308

what is continuous-emission monitoring(CEM)System?

1 4658

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 12943

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 2542

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 5485

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 7155

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 8236

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 4977

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

2 7303

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

2351

what is the three types of combustion-control system?

2371

what precautions must be used when water washing a boiler?

2109


Un-Answered Questions { Engineering }

explain single phase series motor

1951


please give me all the Alarm .Trip ,Safety Relays & Conditions of Chiller mail me on ashokbabunhce@gmail.com

1835


tell me some type of questions throught which i can prepare for exam and do my best

2023


is the used fire extinguisher fall under Hazardous waste material?

1920


junior engineeer (railway previous questions)

1909


What is a bistable multivibrator?

1058


from one meter cube of stone masonry structure how much cubic meter of cement mortar we use as our estimation 25-30% is that correct for estimation of quantity of sand and cement(2:1) proportion of mortar

4653


What is .Dwg?

1303


What is the difference between cfm (cubic feet per minute) and scfm (standard cubic feet per minute)?

1231


can we find the inductance of a induction motor?

1999


I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions

2154


03. a. The water cement ratio for achieving maximum strength of concrete is…… 1 b. Water/ cement is inversely proportional to-------------- 1 c. Increasing the slump decreases the strength: True / false 1

2282


What is the function of AUTO SHUT OF Valve in Diesel Engine?

1761


What are the things to do when approaching the port?

1855


Please send the Sundar TVS Motors placement papers to this mail id.

2224