Engineering Interview Questions
Questions Answers Views Company eMail

What is a good method of steam tracing large vessels?

13

How can you separate hydrogen peroxide into hydrogen and oxygen?

8

Why is a vacuum breaker used on shell and tube heat exchangers that are utilizing steam as the heating utility?

8




What are some characteristics of bulk solids that can affect their ability to flow properly?

12

What kind of concerns is associated with temperature pinch points in condensers?

11

For a heat exchanger, will the overall heat transfer coefficient increase along with an increase in lmtd (log mean temperature difference) around the unit?

11

Is it advisable to cool a fin fan by spraying demineralized water on it?

10

What industries require filtered compressed air?

10

What is the largest application for surfactants?

11

What is a good relation to use for calculating tube bundle diameters?

10

We have some pieces of metals that have been 'powder coated', how does that work?

8

What is a good method of minimizing shell side pressure drop in a shell and tube exchanger?

11

What are some of the consequences of an undersized kettle type reboiler?

9

When should one be concerned with the tube wall temperature on the cooling waterside of a shell and tube exchanger?

8

Can condensate control in a reboiler cause water hammer problems?

8







Un-Answered Questions { Engineering }

i have to give lap joint fo 1Mtr steel of dia12mm,whenever i did mistake i cut less 5cm plz tell me how much i will give lap joint so that length comes 1Mtr

910


Why is stress considered important in a shaft?

5


What are fet`s?

5


I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz

1003


Where mixed flow type compressors are used?

714






The graphite in grey irons exists in the form of flakes which act as stress-raisers under tensile loading and consequently grey irons have relatively low tensile strength and ductility. Still grey iron is extensively used in engineering. Why ?

7


How stabilizer works??

959


What is the use of mirror command?

7


Define what is point contact diode?

7


how does refractive index detector work?

1459


what is meant by directional earth fault and non directional earth fault? describe both.

837


What is the unit audit? if our Max demand is something and we found much more unit then how to improve our max demand?

732


what is the Relationship between quantity of Gas and capacity of AC machine in tonnage.

1097


What is main cause of cable's terminal point burned in Lug on high temperature although lug and cable selection is ok as per stantard and also tightness is ok as per situation. so please take in deep and tell correct answer thanku.

5130


There is a block placed in between air and water. water is at 100 deg cel and air at 50. 1) Draw temperature profile. 2) Why is it curve in air and water?

229