Q. Workdone during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats)

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Q. Which of the following represents Otto cycle on temperature - entropy (T - s) diagram?

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Q. Which of the following process can be made reversible with the help of a regenerator?

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Q. The specific volume of a system is an __________ property.

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Q. If in the equation pvn = C, the value of n = 1, then the process is called isothermal process.

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Q. A process of heating crude oil to a high temperature under a very high pressure to increase the yield of lighter distillates, is known as

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Q. A cycle consisting of two constant pressure and two isothermal processes is known as Ericsson cycle.

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Q. A process, in which the working substance neither receives nor gives out heat to its surroundings during its expansion or compression, is called

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Q. The universal gas constant (or molar constant) of a gas is the product of

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Q. The amount of heat required to raise the temperature of __________ water through one degree is called kilojoule.

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Q. A definite area or a space where some thermodynamic process takes place is known as

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Q. The natural petroleum may be separated into

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Q. A molecule consisting of one atom is known as

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Q. The ideal efficiency of simple gas turbine cycle depends upon pressure ratio.

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Q. The change of entropy, when heat is removed from the gas, is positive.

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Q. The ultimate analysis of coal consists of the determination of the percentage of

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Q. The fuel mostly used in blast furnace for extracting pig iron from iron ores is

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Q. When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as

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Q. The workdone in a free expansion process is zero.

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Q. A closed cycle gas turbine works on Joule's cycle.

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