Chemical Engineering Thermodynamics The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzman's constant, T = absolute temperature) 3KT/m √(2KT/m) √(3KT/m) √(6KT/m) 3KT/m √(2KT/m) √(3KT/m) √(6KT/m) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Adiabatic compression of a saturated water vapour makes it Supersaturated Both A and B Superheated Neither A nor B Supersaturated Both A and B Superheated Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If heat contents of CH₄, C₂H₄ and C₃H₈ are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH₄(g) + C₂H₄(g) ⇋ C₃H₈(g) will be __________ Kcal. -55.2 55.2 -30.2 -19.4 -55.2 55.2 -30.2 -19.4 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 Free energy changes for two reaction mechanism 'X' and 'Y are respectively - 15 and - 5 units. It implies that X is Three times slower than Y Slower than Y Faster than Y Three times faster than Y Three times slower than Y Slower than Y Faster than Y Three times faster than Y ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of a close thermodynamic system, there is __________ across the boundaries. No mass transfer but heat transfer No heat and mass transfer Mass and energy transfer None of these No mass transfer but heat transfer No heat and mass transfer Mass and energy transfer None of these ANSWER DOWNLOAD EXAMIANS APP
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