Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for 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 Reversible isothermal volume change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A large iceberg melts at the base, but not at the top, because of the reason that Due to the high pressure at the base, its melting point reduces The iceberg remains in a warmer condition at the base Ice at the base contains impurities which lowers its melting point All of these Due to the high pressure at the base, its melting point reduces The iceberg remains in a warmer condition at the base Ice at the base contains impurities which lowers its melting point All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is true for Virial equation of state? Virial co-efficients Virial co-efficients are function of temperature only For some gases, Virial equations and ideal gas equations are the same Virial co-efficients are universal constants Virial co-efficients Virial co-efficients are function of temperature only For some gases, Virial equations and ideal gas equations are the same Virial co-efficients are universal constants ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Absolute zero temperature signifies the Minimum temperature attainable None of these Temperature of the heat reservoir to which a Carnot engine rejects all the heat that is taken in Temperature of the heat reservoir to which a Carnot engine rejects no heat Minimum temperature attainable None of these Temperature of the heat reservoir to which a Carnot engine rejects all the heat that is taken in Temperature of the heat reservoir to which a Carnot engine rejects no heat ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A nozzle is a device, which Reduces both kinetic energy and pressure Increases kinetic energy and decreases pressure Increases both kinetic energy and pressure Reduces kinetic energy and increases pressure Reduces both kinetic energy and pressure Increases kinetic energy and decreases pressure Increases both kinetic energy and pressure Reduces kinetic energy and increases pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will Increase Remain same Decrease Increase in summer and will decrease in winter Increase Remain same Decrease Increase in summer and will decrease in winter ANSWER DOWNLOAD EXAMIANS APP
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