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Thermodynamics ...

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  • Question 1
    1 / -0.33

    A single fixed point temperature scale is based on

  • Question 2
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    A fan is used to deliver air at the rate of 5 m3/s with a velocity of 10 m/s. Find the power in Watts that must be supplied to the fan. Density of air = 1.2 kg/m3.

  • Question 3
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    A cylinder contains 5 m3 of ideal gas at a pressure of 1 bar. This gas is compressed in a reversible isothermal process till its pressure increases to 5 bar. The work in kJ required for this process is

  • Question 4
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    Two air streams with mass flow rates of 36 kg/min and 14 kg/min with respective enthalpies of 36 kJ/kg da and 50 kJ/kg da are mixed. The enthalpy of the mixture is nearly

  • Question 5
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    Which one of the following relationships defines the Helmholtz function F?

  • Question 6
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    If the work done on a closed system is 20 kJ/kg, and 40 kJ/kg heat is rejected from the system, change in internal energy is

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