Thermodynamics Multiple Choice Questions and Answers


1. The latent heat of steam at atmospheric pressure is.......


   A.1535 kJ/kg

   B.1875 kJ/kg

   C.2257 kJ/kg

   D.2685 kJ/kg


✔ View Answer


C.2257 kJ/kg

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2. The efficiency of Ericsson cycle is........Carnot cycle


   A.Greater than

   B.Less than

   C.Equal to

   D.None of the above


✔ View Answer


C.Equal to

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3. Gas laws are applicable to........


   A.Gases as well as vapours

   B.Gases alone and not to vapours

   C.Gases and steam

   D.Gases and vapours under certain conditions


✔ View Answer


B.Gases alone and not to vapours

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4. General gas equation is........


   A.PV = nRT

   B.PV = mRT

   C.PVn = C

   D.Cp - Cv = R/J


✔ View Answer


B.PV = mRT

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5. Carnot cycle consists of........


   A.Two constant volume and two reversible adibatic processes

   A.Two isothermal and two reversible adibatic processes

   C.Two constant pressure and two reversible adibatic processes

   D.One constant volume,one constant pressure and two reversible adibatic processes


✔ View Answer


B.Two isothermal and two reversible adibatic processes

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