Chemical Engineering Thermodynamics For an isothermal reversible compression of an ideal gas ΔE = ΔH = 0 Only ΔH =0 Only ΔE = 0 DQ = dE ΔE = ΔH = 0 Only ΔH =0 Only ΔE = 0 DQ = dE ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heating of water under atmospheric pressure is an __________ process. Adiabatic Isothermal Isobaric Isochoric Adiabatic Isothermal Isobaric Isochoric ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is 2 4 3 1 2 4 3 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in compression ratio, the efficiency of the otto engine Decreases Increases linearly Remains constant Increases Decreases Increases linearly Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Refrigerants commonly used for domestic refrigerators are Ethyl chloride or methyle chloride Propane Freon-12 NH₃ or CO₂ Ethyl chloride or methyle chloride Propane Freon-12 NH₃ or CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is an undesirable characteristics of a refrigerant ? None of these It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils Its vapor pressure at the condenser temperature should be very high It should be non-explosive None of these It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils Its vapor pressure at the condenser temperature should be very high It should be non-explosive ANSWER DOWNLOAD EXAMIANS APP
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