Chemical Engineering Thermodynamics For an exothremic reaction Both ΔH and ΔE are negative Only enthalpy change (ΔH) is negative Only internal energy change (ΔE) is negative Enthalpy change is zero Both ΔH and ΔE are negative Only enthalpy change (ΔH) is negative Only internal energy change (ΔE) is negative Enthalpy change is zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical temperature is defined as the temperature above which a gas will Never liquify however high the pressure may be Not liquify (barring exceptions) None of these Immediately liquify Never liquify however high the pressure may be Not liquify (barring exceptions) None of these Immediately liquify ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics One ton of refrigeration is defined as the heat rate corresponding to melting of one ton of ice in one Minute Day Hour Second Minute Day Hour Second ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for Cooling of a real gas Reversible isothermal volume change Expansion of a real gas Heating of an ideal gas Cooling of a real gas Reversible isothermal volume change Expansion of a real gas Heating of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics An isolated system can exchange __________ with its surroundings. Energy Neither matter nor energy Both matter and energy Matter Energy Neither matter nor energy Both matter and energy Matter ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of __________ and COP are the same. None of these Kinematic viscosity Work Temperature None of these Kinematic viscosity Work Temperature ANSWER DOWNLOAD EXAMIANS APP
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