Q. The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio will be

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Q. Mollier chart is a __________ plot.

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Q. Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed as the heat of

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Q. What happens in a reversible adiabatic compression ?

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Q. Sublimation temperature of dry ice (solid CO₂) is __________ °C.

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Q. If atmospheric temperature and dew point are nearly equal, then the relative humidity is

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Q. The internal energy of an incompressible fluid depends upon its

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Q. A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0°C, 760 mm Hg) will be __________ litres.

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Q. Rotary lime kiln is an example of a/an __________ system.

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Q. Heat of reaction is

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Q. The expression, nRT ln(P₁/P₂) , is for the____of an ideal gas.

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Q. What happens in a reversible adiabatic expansion process ?

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Q. Variation of equilibrium pressure with temperature for any two phases of a given substances is given by the __________ equation.

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Q. Pick out the undesirable property for a good refrigerant.

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Q. Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a

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Q. The fusion of a crystalline solid at its melting point to form a liquid at the same temperature is accompanied by

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Q. Melting of ice is an example of an __________ process.

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Q. Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture __________ calorimeter is not used for measuring the dryness fraction of steam.

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Q. As the time is passing, entropy of the universe

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Q. Which of the following processes can not be made reversible even under ideal condition of operation?

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