Q. Otto cycle consists of

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Q. The increase in entropy of a system represents

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Q. In a free expansion process,

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Q. The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s². The absolute pressure in the vessel is

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Q. The lower calorific value of fuel may be obtained by adding the heat of steam formed during combustion to the higher calorific value.

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Q. One kg of carbon monoxide requires 4/7 kg of oxygen and produces

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Q. The molecular mass expresssed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume of

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Q. The absolute zero pressure will be

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Q. The gas in cooling chamber of a closed cycle gas turbine is cooled at

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Q. Boyle's law states that change of internal energy of a perfect gas is directly proportional to the change of temperature.

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Q. The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is always __________ one.

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Q. The isothermal and adiabatic processes are regarded as

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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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