Q. The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as

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Q. It is __________ to make an engine working on a Carnot cycle.

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Q. The heating of a gas at constant pressure is governed by

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Q. Reversed Joule cycle is known as

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Q. One kg of sulphur requires 1 kg of oxygen for complete combustion and produces 2 kg of sulphur dioxide.

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Q. The change of entropy, when heat is absorbed by the gas, is

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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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