Thermodynamics - Data Intensity 4 Multiple Questions and Answers.




16.The isothermal and adiabatic processes are regarded as
A. reversible process
B. irreversible process
C. reversible or irreversible process
D. none of these

17.The variables which control the physical properties of a perfect gas are
A. pressure exerted by the gas
B. volume occupied by the gas
C. temperature of the gas
D. all of these

18.The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by
A. Kelvin
B. Joule
C. Clausis
D. Gay-Lussac

19.Otto cycle consists of
A. two constant volume and two isentropic processes
B. two constant pressure and two isentropic processes
C. two constant volume and two isothermal processes
D. one constant pressure, one constant volume and two isentropic processes

20.The increase in entropy of a system represents
A. increase in availability of energy
B. increase in temperature
C. decrease in pressure
D. degradation of energy

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