if you say any object having a certain mass must be on the surface of the earth due to gravity, but how come gas molecules even after having a certain mass in atm. temperature and pressure not able to stay on ground.

2 Answers  

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Why iso-octane is chosen as reference fuel for s.i. Engines and allotted 100 value for its octane number ?

0 Answers  

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What is mean by Resistance welding

4 Answers   Toyota,

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whitc material has high tensile strength

12 Answers   Crystal, DRDO,

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Difference between isometric & trimetric view

1 Answers   Adani,

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At the nozzle throat wats the value of mach no. >1 ,<1 ,=1

8 Answers   NTPC,

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Arrange the efficiency of the engine in decreasing order Otto, Diesel, dual

22 Answers   NTPC,

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what will be the velosity of a water at in the pipe of 6 inches which is situated at the bottom of 10 mtr tank ?

1 Answers   Essar,

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I am a mechanical student.And have cleared the written for NTPC. Please suggest what and how to prepare for the interview.i have got only 2-3 weeks in hand.

0 Answers  

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Overall Heat transfer coefficient.

3 Answers  

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What is the significance of torque(in N-m) given in the engine specification ???

2 Answers  

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how to calculate heat? i.e one glass water heat how much kelvin?

1 Answers   AVT Natural Products,

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