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 chemical formula of bauxite

2 Answers  

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can i get hpcl placement papers urgent

1 Answers   HPCL,

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What is the other name of micrometer & vernier calliper

3 Answers  

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1.5 ton how many amps

2 Answers   SAS, Suvidha Engineers,

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How can you identify mild steel, cast iron, and high carbon steel?

0 Answers  

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i just wanted to ask that what should one do to clear all the concepts a mechanical engineer needs to have cleared,this not only includes the concepts of each and every semester of his engineering course, but also the basic laws and fundamentals of physics(that required for Mechanical engineering).I am a third year mechanical engineering student and i am very keen to know about the above question. somebody please help me.

1 Answers  

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why the lever of spring loaded safety valve is very long?

1 Answers  

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what is vacuuming in air conditioning and why we do it.

3 Answers   intex,

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How to measure ducting in HVAC.

15 Answers   GMR,

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what is the formula of thickness calculation as per asme sec viii div 1?

2 Answers  

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What is the volume develop by the piston from BDC to TDC

3 Answers   RRB,

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