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IGCAR Mechanical Engineering Interview Questions
Questions Answers Views Company eMail

how will u design a pipe?

 11 20338

how a centrifugal pump is working?

 15 43225

what is the exact requirement of priming?

 13 15168

what is cavitation ?

 13 28744

exactly how a vapor bubble can destroy impeller?

 3 7748

from where u will get friction factor 'f' in darcy's formula?

 7 15152

what is the relation between f and reynolds number?

 5 13750

Explain QH curve of a Centrifugal Pump?. Will it ever touch X axis?. If it ever touch when? When will you go for Reciprocating pump?. why can't you use centrifugal pumps for pumping viscous fluids?. Why head of a centrifugal pump is independent of density of fluid?.

 1 8150

Suppose water is there in a pot. It is being heated continuously untill formation of superheated steam. What is the temperature profile of water?. What is the temperature profile of the pot?.Imagine pot is heated from bottom.

 1 2824

What is the importance of Prandtl Number in heat transfer?. Compare the prandtl numbers of Air, water and Liquid metal. If prandtl number is more what do you understand?. Will you provide fins to enhance heat transfer when prandtl number is less?.

 1 4484

What is the difference between torque and moment?. is there any difference between pressure ans stress?.

 6 10521

Stress will produce strain or will strain produce stress?. How do you explain?.

 4 15601

Two pumps connected in series , what will be the shape of QH curve ?. What will be the shape if they are in parallel.

 1 2874

Why stainless steel is corrosion resistant?. What is stress corrosion cracking?.

 6 10413

How will you size a pipe?. What is Darcy's formula?. From where you will get friction factor "f" ?. In darcy formula substitute f = 16/Re and now you see hf proportional to V instead of V square. How do you explain?.

 1982

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IGCAR Mechanical Engineering Interview Questions


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