Chemical Engineering Thermodynamics Linde gas liquefaction process employs cooling By throttling None of these By expansion in an engine At constant pressure By throttling None of these By expansion in an engine At constant pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in Decreased COP Increased COP Increased or decreased COP ; depending upon the type of refrigerant Same COP Decreased COP Increased COP Increased or decreased COP ; depending upon the type of refrigerant Same COP ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Simultaneous pressure & temperature change Cooling Both B and C Heating Simultaneous pressure & temperature change Cooling Both B and C Heating ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics High pressure steam is expanded adiabati-cally 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: Δ H ≠ 0 and ΔS ≠ 0 Δ H = 0 and ΔS ≠ 0 Δ H ≠ 0 and ΔS = 0 Δ H = 0 and ΔS = 0 Δ H ≠ 0 and ΔS ≠ 0 Δ H = 0 and ΔS ≠ 0 Δ H ≠ 0 and ΔS = 0 Δ H = 0 and ΔS = 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________ liquid. Non-solidifiable None of these Subcooled Saturated Non-solidifiable None of these Subcooled Saturated ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Joule-Thomson experiment is Isenthalpic Adiabatic Isobaric Both B & C Isenthalpic Adiabatic Isobaric Both B & C ANSWER DOWNLOAD EXAMIANS APP
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