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Mechanical Engineering · all questions

Engineering Thermodynamics
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The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is

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The principal constituents of a fuel are

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The compression ratio is the ratio of

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

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When the expansion or compression takes place according to the law pvn = C, the process is known as

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If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as

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In an irreversible process, there is a

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Second law of thermodynamics defines

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Which of the following variables controls the physical properties of a perfect gas?

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Which of the following laws is applicable for the behaviour of a perfect gas?

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

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The value of 1 mm of Hg is equal to

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The efficiency of Joule cycle is

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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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Zeroth law of thermodynamics

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First law of thermodynamics

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According to first law of thermodynamics

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According to Clausius statement of second law of thermodynamics

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The statement that molecular weights of all gases occupy the same volume is known as

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In a no flow reversible process for which p = (-3V + 15) × 105 N/m2, V changes from 1 m3 to 2 m3. The work done will be about

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