Chemical Engineering Thermodynamics The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing. Contracts Does not change in volume Either A, B or C Expands Contracts Does not change in volume Either A, B or C Expands ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is an undesirable characteristics of a refrigerant ? Its vapor pressure at the condenser temperature should be very high It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils None of these It should be non-explosive Its vapor pressure at the condenser temperature should be very high It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils None of these It should be non-explosive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Enthalpy 'H' is defined as H = F - TS None of these H - E = PV H = E - PV H = F - TS None of these H - E = PV H = E - PV ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Throttling (Joule-Thomson effect) process is a constant __________ process. Enthalpy Pressure Entropy None of these Enthalpy Pressure Entropy None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The reatio of chemical potential to free energy of a pure substance at oconstant temperature and pressure is None of these ∞ 1 None of these ∞ 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in pressure (above atmospheric pressure), the Cp of a gas Remains unchanged First decreases and then increases Decreases Increases Remains unchanged First decreases and then increases Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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