Workdone in a free expansion process is  A.zero  B.minimum  C.maximum  D.positive

Workdone in a free expansion process is  A.zero  B.minimum  C.maximum  D.positive
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Work done in a free expansion process is  (a) + ve  (b) -ve  (c) zero  (d) maximum  (e) minimum.

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An adiabatic process is one in which  A.no heat enters or leaves the gas  B.the temperature of the gas changes  C.the change in internal energy is equal to the mechanical workdone  D.all of the above

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Which of the following relations is not applicable in a free expansion process?  a. Heat is rejected to zero  b. Work done is zero  c. Change in temperature is zero  d. Heat supplied is zero

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In a free expansion process  (a) work done is zero  (b) heat transfer is zero  (c) both (a) and (b) above  (d) work done is zero but heat increases  (e) work done is zero but heat decreases.

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For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be  (a) zero  (b) minimum  (d) maximum  (d) infinity  (e) there is no such criterion.

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