# Mechanical Engineering - Thermodynamics

### Exercise :: Thermodynamics - Section 1

36.

According to Avogadro's law, the density of any two gases is __________ their molecular masses, if the gases are at the same temperature and pressure.

 A. equal to B. directly proportional to C. inversely proportional to

Explanation:

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37.

The kinetic energy of molecules of a gas becomes zero at absolute zero temperature.

 A. Agree B. Disagree

Explanation:

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38.

One kg of carbon monoxide requires __________ kg of oxygen to produce 11/7 kg of carbon dioxide gas.

 A. All B. 4/7 C. 11/4 D. 9/7

Explanation:

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39.

The absolute zero temperature is taken as

 A. -273°C B. 273°C C. 237°F D. -237°F

Explanation:

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40.

The specific heat of water is

 A. 1.817 B. 2512 C. 4.187 D. none of these