Chemical Engineering Thermodynamics For a cyclic process, a fixed ratio between heat and work Never exists Is difficult to predict May exist Always exists Never exists Is difficult to predict May exist Always exists ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Reversible isothermal volume change Cooling of a substance Heating of a substance Simultaneous heating and expansion of an ideal gas Reversible isothermal volume change Cooling of a substance Heating of a substance Simultaneous heating and expansion of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics After throttling, gas temperature Increases May increase or decrease ; depends on the nature of the gas Decreases Remains same Increases May increase or decrease ; depends on the nature of the gas Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For spontaneous changes in an isolated system (S = entropy) Ds <0 Ds = Constant Ds = 0 Ds > 0 Ds <0 Ds = Constant Ds = 0 Ds > 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy change in case of reversible adiabatic process is Maximum Zero Minimum Indeterminate Maximum Zero Minimum Indeterminate ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in pressure (above atmospheric pressure), the Cp of a gas First decreases and then increases Decreases Remains unchanged Increases First decreases and then increases Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
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