what is the difference between specific gravity and density of a substance?

8 Answers  

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If the unit of pressure is Pa or N/m2, why the blood pressure or the lung pressure is messured in "mm of Hg" or "centimeters of water" respectively ?

3 Answers  

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what is max % of carbon that can be added in Iron?

2 Answers   Sail,

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There is a back compression in Engine, what does it mean

0 Answers  

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• Do you have any blind spots?

1 Answers   Petro Star Mount,

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What is the hottest part of refrigerant in the refrigeration system?

3 Answers   RRB,

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How can check gear pitch?

0 Answers  

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Choose dehumudification method.

5 Answers   BEL, L&T,

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Why green curtons are used in hospital?

2 Answers  

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HYDROLICS

2 Answers   NHPC,

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What is the name of vice used in fitting shop?

0 Answers  

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What is TOTAL ELONGATION of a tmt bar?

1 Answers  

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