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Thermodynamics Test - 71
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Thermodynamics Test - 71

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  • Question 1/10
    4 / -1
    Which of the following is correct in terms of increasing work done for the same initial and final state?
    Solutions

  • Question 2/10
    4 / -1
    A sample of gas expands from volume V1 to V2. The amount of work done by the gas is greatest when the expansion is
  • Question 3/10
    4 / -1
    How much work to be done in decreasing the volume of an ideal gas by an amount of 2.4 × 10–4 m3 at normal temperature and constant normal pressure of 1 × 105 N/m2 ?
    Solutions

  • Question 4/10
    4 / -1
    Entropy of a thermodynamic system does not change when this system is used for
  • Question 5/10
    4 / -1
    Which relation is correct for isometric process?
    Solutions

  • Question 6/10
    4 / -1
    Which is incorrect ?
  • Question 7/10
    4 / -1
    A Carnot engine working between 300 K and 600 K has work output of 800 J per cycle. What is amount of heat energy supplied to the engine from source per cycle?
    Solutions

  • Question 8/10
    4 / -1
    If the door of a refrigerator is kept open, then which of the following is true?
  • Question 9/10
    4 / -1
    The efficiency of Carnot\'s engine operating between reservoirs, maintained at temperatures 27°C and –123°C, is
    Solutions

  • Question 10/10
    4 / -1
    A scientist says that the efficiency of his heat engine which operates at source temperature 127°C and sink temperature 27°C is 26%, then
    Solutions

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