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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Q. Liquid fuels have lower efficiency than solid fuels.

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Q. Liquid fuels consist of hydrocarbons.

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Q. The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion)

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Q. The dual combustion cycle consists of one constant pressure, two constant volume and two isentropic processes.

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Q. The total energy of a molecule is shared equally by the various degrees of freedom possessed by it. This law is known as

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Q. The thermodynamic property of a system is said to be an intensive property whose value for the entire system __________ the sum of their value for the individual parts of the system.

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