Q. Water gas is obtained by passing air and a large amount of steam over waste coal at about 650°C.

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Q. When the gas is heated at constant volume, the heat supplied increases the internal energy of the gas.

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Q. Which of the following is the lightest and most volatile liquid fuel?

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Q. The processes occuring in open system which permit the transfer of mass to and from the system, are known as

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Q. Which of the following has the minimum atomic mass?

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Q. Workdone in a free expansion process is

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Q. The pressure exerted by an ideal gas is __________ of the kinetic energy of all the molecules contained in a unit volume of gas.

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Q. The compression ratio for petrol engines is

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Q. The constant pressure, constant volume and constant pvn processes are regarded as irreversible process.

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Q. Stirling and Ericsson cycles are

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Q. When cut-off ratio is __________ the efficiency of Diesel cycle approaches to Otto cycle efficiency.

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Q. A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as

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Q. An isothermal process is governed by

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Q. The efficiency of Diesel cycle approaches to Otto cycle efficiency when

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Q. The entropy __________ in an irreversible cyclic process.

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Q. The atomic mass of oxygen is

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

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Q. 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.

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

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

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