Q. The molecular mass of a substance is the number of times a molecule of that substance is heavier than the hydrogen atom.

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Q. The behaviour of super-heated vapour is similar to that of

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Q. Briquetted coal is produced from the finely ground coal by moulding under pressure with or without a binding material.

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Q. Which of the following is a reversible non-flow process?

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Q. If in the equation pvn = C, the value of n = ∝ , then the process is called

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Q. For the same maximum pressure and temperature,

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Q. In a steady flow process, the ratio of

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Q. The entropy of the universe is continually on the increase.

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Q. Select the correct statement as per Charles' law

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Q. The unit of energy is S. I. units is

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Q. A process, in which the gas is heated or expanded in such a way that the product of its pressure and volume remains constant, is called

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Q. Which of the following statement is correct according to Clausis statement of second law off thermodynamics?

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Q. Diesel cycle consists of __________ processes.

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Q. When coal is first dried and then crushed to a fine powder by pulverising machine, the resulting fuel is called

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Q. The process is adiabatic, if the value of n in the equation pvn = C, is

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Q. Which of the following is the extensive property of a thermodynamic system?

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Q. It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source.

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Q. One kilowatt is equal to

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Q. Second law of thermodynamics defines

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Q. Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as

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