Q. A machine which violates the first law of thermodynamics is known as perpetual motion machine of the second kind.

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Q. Both the Ericsson and Joule's cycle have two constant pressure processes.

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Q. The general law for the expansion or compression of gases, is

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Q. The value of one bar (in S. I. units) is equal to

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Q. Petrol is distilled at

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Q. If the carbon content in the bituminous coal is 78 to 81%, it is said to be coking bituminous coal.

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Q. The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle)

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Q. The mass of excess air supplied is equal to

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Q. The atomic mass of sulphur is

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Q. A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is

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Q. The atomic mass of an element is the number of times the atom of that element is heavier than the hydrogen atom.

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Q. A cycle consisting of two isothermal and two isentropic processes, is known as

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Q. When a perfect gas is expanded through an aperture of minute dimensions, the process is known as

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Q. Steam coal is a

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Q. In a reversible adiabatic process, the ratio of T1/T2 is equal to

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Q. The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant)

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Q. The atomic mass of nitrogen is __________ oxygen.

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Q. The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats)

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Q. In an ideal gas turbine plant, it is assumed that the compression and expansion processes are

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Q. When gas is heated at constant pressure, the heat supplied is utilised in

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