Answer / rajavardhan reddy

water cant de used as refrigerant in some cooling purposes because during condensation the vapour is converted to liquid and from condnsation to expansion temperature is reducted to a lot and the throttled valve is blocked so to eliminate this other refrigerants like methane etc is uesd

When we open the door of refrigerator then we feel hot,why?

3 Answers   BARC, KPIT, Power Plant,

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What does f.o.f. Stand for in piping design?

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Between steel, copper and brass, which conduct faster heat.

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What is isotropic material ?

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generally how much percentage is required to sit in exam of PSU'S for mechanical engg. candidate (general category)

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diffuser increases pressure but in turbine pressure is decreasing when steam passing through casing?

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why is steam-water separation equipment so important in good boiler operation?

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Explain the formation of micro structures of pearlite, bainite and martensite in steel?

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