What is the purpose of piston rings?

7 Answers  

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Which is not present in CI engines?

5 Answers   Bhel,

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Where is the expansion tank located?

0 Answers   RRB,

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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 Answers   IGCAR,

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why boiler is closed system ?

0 Answers  

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Kind of refrigerant use in a refrigerating system

2 Answers   RRB,

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What is pour point?

2 Answers  

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Which is first stress or strain?

0 Answers  

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how much standard used in Piping system

1 Answers   Greenko,

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HOW MUCH HARDNESS OF CAST IRON?

0 Answers   TATA,

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Hi! Greetings of the day. Can somebody tell me about as built duct sheet area calculation method. As we know that for this purpose A = (W+H)*2*L. But I have query about multiplication factors for elbows, tappers, offsets etc if there is any. Also refer the papers if available. Please revert. Thanks in advance.

0 Answers  

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What is an EN Material. What is the difference of EN8, EN24, EN40.

5 Answers   Aeronautical Society of India, Ecil, Finearc, Saint Gobain, Scitech Centre, Universal Engineering Works,

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