Q. The efficiency of a gas turbine is given by

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Q. In closed cycle gas turbine, the air is compressed

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Q. Which of the following is the correct statement?

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Q. The temperature at which the volume of a gas becomes zero is called

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Q. The heating of gas at constant volume is governed by

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Q. The absolute pressure of a given mass of a perfect gas varies inversely as its volume, when the temperature remains constant. This statement is known as Boyle's law.

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Q. The fuel mostly used in cement industry and in metallurgical processes is

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Q. The principal constituents of a fuel are

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Q. In an extensive property of a thermodynamic system

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Q. When a gas is heated at constant pressure

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Q. By decreasing the highest temperature in the Carnot cycle, its efficiency is increased.

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Q. Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules. This statement is called Avogadro's law.

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Q. Wood charcoal is produced by heating the wood at 100°C.

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Q. The __________ is obtained when carbonisation of coal is carried out at 500° to 700° C.

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Q. The bomb calorimeter is used for finding the __________ calorific value of solid and liquid fuels.

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Q. The efficiency of the Carnot cycle may be increased by

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Q. The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio)

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Q. To ensure complete and rapid combustion of a fuel, some quantity of air, in excess of the theoretical or minimum air is supplied.

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Q. According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) __________ with the change in pressure and temperature of the gas.

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Q. One molecule of oxygen is __________ times heavier than the hydrogen atom.

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