Q. The fuel mostly used in steam boilers is

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Q. The efficiency of Joule cycle is

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Q. The efficiency of Diesel cycle depends upon

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Q. Those substances which have so far not been resolved by any means into other substances of simpler form are called

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Q. The measurement of a thermodynamic property known as temperature is based on

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Q. Kelvin-Planck's law deals with

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Q. Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle

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Q. Liquid fuels have higher calorific value than solid fuels.

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Q. The free expansion process is __________ non-flow process.

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Q. A mixture of gas expands from 0.03 m³ to 0.06 m³ at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is

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Q. The gas constant (R) is equal to the __________ of two specific heats.

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Q. According to Kelvin-Planck's statement of second law of thermodynamics,

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Q. According to Gay-Lussac law, the absolute pressure of a given mass of a perfect gas varies __________ as its absolute temperature, when the volume remains constant.

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Q. According to Avogadro's law

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Q. A process, in which the temperature of the working substance remains constant during its expansion or compression, is called

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Q. Which of the following gas has a minimum molecular mass?

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Q. The hyperbolic pocess is governed by

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Q. A closed system is one in which heat and work crosses the boundary of the system but the mass of the working substance does not crosses the boundary of the system.

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Q. The entropy of water at 0°C is assumed to be

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Q. The greater the pressure difference in throttling, the lesser is the irreversibility.

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