Q. Which of the following gas is mostly used in town for street and domestic lighting and heating?

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Q. The value of gas constant (R) in S. I. units is

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Q. In the first law of thermodynamics, the total energy of the system remains constant.

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Q. The efficiency of Diesel cycle increases with

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Q. Coal gas is obtained by mixing coal and gas at ambient conditions.

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Q. The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv).

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Q. When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel.

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Q. Which of the following is correct?

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Q. The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and recondensed, then the liquid with the next higher boiling point is then evaporated and recondensed, and so on until all the available liquid fuels are separately recovered in the sequence of their boiling points. Such a process is called

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Q. Which of the following statement is incorrect?

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Q. Which is the incorrect statement about Carnot cycle?

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Q. When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called

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Q. The area under the temperature-entropy curve (T - s curve) of any thermodynamic process represents

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Q. The free expansion process is a constant enthalpy process.

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Q. The specific heat at constant volume is

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Q. The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units)

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Q. The compression ratio for Diesel engines is

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Q. In an isothermal process,

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Q. Which of the following is the correct statement of the second law of thermodynamics?

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Q. The heating and expanding of a gas is called thermodynamic system.

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