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IGCAR Mechanical Engineering Interview Questions

how will u design a pipe?

15349

how a centrifugal pump is working?

36786

what is the exact requirement of priming?

9875

what is cavitation ?

22192

exactly how a vapor bubble can destroy impeller?

5268

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

11377

what is the relation between f and reynolds number?

10768

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?.

6900

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.

1576

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?.

3326

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

8046

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

12821

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

1671

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

6641

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?.

1261

What is the difference between arrays sort and collections sort?

79

Why does the following behave unexpectedly in python?

109

How objects are stored in java?

132

What are the tools and techniques of the Quantitative Risk Analysis process? A. Checklists, flowcharting, interviewing B. Interviewing, sensitivity analysis, decision tree analysis, simulation C. Checklists, sensitivity analysis, decision tree analysis, information-gathering techniques D. Interviewing, checklists, assumptions analysis, risk probability impact

142

Tell me is count down_to_zero loop better than count_up_loops?

97

Anybody having documents and URLs about BFSI domain...Please share..it is really urgent

1457

How to disable splunk launch message?

98

what are the web form events available in asp.net?

138

What is java servlet session?

114

How do you copy data from multiple worksheets into one in excel?

17

can i get oracle10g with Linux installation procedure

1122

Why meta tag is used in html?

88

Mention what the different types of test coverage techniques are?

133

How do you reformat a hard drive?

91

What is json? Describe in brief how youâ€™d convert json data into python data?

105