In HVAC R22 gas are using for cooling but why oil are using & which type of it is???????/

2 Answers  

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what is the manufacturing process for impellers of closed, semiopen and open type?

1 Answers  

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What is the ratio of specific heat of air?

0 Answers  

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Solar Cells stores the Energy In the form of a)Mechanical Energy b)Electric Energy c)Heat Energy

3 Answers   Bhel,

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for under water excavation works, can i have some standard codes and specifications(international)

0 Answers  

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What are the types of sensors and their explanation?

0 Answers  

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sir plz tell me what is the basic concept of mechanical maintenance

2 Answers   Bhel, HPCL,

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Is enthalpy represent the heat content of a substance? and is the substance is liquid or gas or solid? or all

1 Answers  

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more base coross sectonal area object can stand steadly than a les cross section why

1 Answers  

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all rector or exchanger have spherical/semispherical end why?

2 Answers  

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What will happen if cold water is poured on the Barrel (Used for oil storage) filled with water vapour.

4 Answers  

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What is meant by lmtd?

0 Answers  

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