Which of the following is a thermodynamic property of a system? (A) Concentration (B) Mass (C) Temperature (D) Entropy

Which of the following is a thermodynamic property of a system? (A) Concentration
(B) Mass
(C) Temperature
(D) Entropy
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1 Answer

Answer :

(D) Entropy
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An open system is one in which  (a) mass does not cross boundaries of the system, though energy may do so  (b) neither mass nor energy crosses the boundaries of the system  (c) both energy and mass cross the boundaries of the system  (d) mass crosses the boundary but not the energy  (e) thermodynamic reactions do not occur.

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A closed system is one in which  (a) mass does not cross boundaries of the system, though energy may do so  (b) mass crosses the boundary but not the energy (c) neither mass nor energy crosses the boundaries of the system  (d) both energy and mass cross the boundaries of the system  (e) thermodynamic reactions take place.

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Thermodynamic equilibrium constant in a system is affected by (A) Inerts (B) Pressure (C) Temperature (D) All (A), (B) & (C)

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The first law of thermodynamics is based on which of the following principles?  a. Conservation of mass  b. Conservation of energy  c. Action and reaction  d. The entropy-temperature relationship

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The state of a thermodynamic system is always defined by its:  a. Absolute temperature  b. process  c. properties  d. temperature and pressure

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What is the thermodynamic temperature scale in the English system?  A. Kelvin scale  B. Celsius scale  C. Fahrenheit scale  D. Rankine scale

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The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that  (a) carnot cycle can’t work with saturated steam  (b) heat is supplied to water at temperature below the maximum temperature of the cycle  (c) a rankine cycle receives heat at two places  (d) rankine cycle is hypothetical  (e) none of the above.

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Measurement of temperature is based on  (a) thermodynamic properties  (b) zeroth law of thermodynamics  (c) first law of thermodynamics  (d) second law of thermodynamics  (e) joule’s law.

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Properties of substances like pressure, temperature and density, in thermodynamic coordinates are  (a) path functions  (b) point functions  (c) cyclic functions  (d) real functions (e) thermodynamic functions.

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