Q. The variables which control the physical properties of a perfect gas are

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Q. The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by

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Q. Which of the following gas has the highest calorific value?

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Q. The oxygen atom is __________ times heavier than the hydrogen atom.

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Q. When the gas is cooled at constant pressure,

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Q. The work ratio of a gas turbine plant is given by

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Q. As per Charles' law, the volume of a given mass of a perfect gas varies __________ as its absolute temperature, when the absolute pressure remains constant.

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Q. One m³ of methane (CH₄) requires 2m³ of oxygen and produces 1m³ of carbon dioxide and 2m³ of water or steam.

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Q. Coke oven gas is obtained by burning coke in an oven.

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Q. A perpetual motion machine of the first kind is __________ according to first law of thermodynamics.

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Q. One kg of carbon requires 8/3 kg of oxygen for its complete combustion and produces 11/3 kg of carbon dioxide gas.

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Q. A process, in which the gas is heated or expanded in such a way that product of its pressure and volume remains constant, is called isothermal process.

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Q. The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

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Q. The work ratio of simple gas turbine cycle depends upon

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Q. The gas constant (R) is equal to the

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Q. Select the wrong statement

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Q. One kg of hydrogen requires 8 kg of oxygen and produces

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Q. The standard value of atmospheric pressure taken at sea level is

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Q. The efficiency of Otto cycle depends upon the specific heats of the working substance.

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Q. The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as

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