MCQs: Refrigeration cycle_________________?
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MCQs: In the reaction, C + O2 → CO2; ΔH = – 94 kcal. What is the heat content (enthalpy) of O2 ?
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MCQs: On a P-V diagram of an ideal gas, suppose a reversible adiabatic line intersects a reversible isothermal line at point A. Then at a point A, the slope of the reversible adiabatic line (∂P/∂V)s and the slope of the reversible isothermal line (∂P/∂V)T are related as (where, y = Cp/Cv) ?
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MCQs: “At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero”. This follows from the __________________?
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MCQs: In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in_____________?
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MCQs: Which of the following identities can be most easily used to verify steam table data for superheated steam ?
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MCQs: The third law of thermodynamics states that the__________________?
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MCQs: 1st law of thermodynamics is nothing but the law of conservation of___________________?
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MCQs: Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a _____________ vapour?
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MCQs: High pressure steam is expanded adiabatically and reversibly through a well insulated turbine, which produces some shaft work. If the enthalpy change and entropy change across the turbine are represented by ΔH and ΔS respectively for this process ?
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MCQs: Compressibility factor for almost all the gases are approximately same at the same__________________?
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MCQs: Which of the following will increase the volume of a real gas by four times ?
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MCQs: Gibbs phase rule finds application, when heat transfer occurs by___________________?
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MCQs: In jet refrigerators, the refrigerating fluid is practically always_________________?
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MCQs: (∂T/∂P)H is the mathematical expression for__________________?
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MCQs: Throttling process is a/an _____________ process?
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MCQs: Cv for an ideal gas__________________?
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MCQs: The internal energy of an incompressible fluid depends upon its_________________?
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MCQs: In a working refrigerator, the value of COP is always__________________?
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MCQs: Ideal refrigeration cycle is____________________?
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