Chemical Engineering Thermodynamics The value of Cp & Cv respectively for monoatomic gases in Kcal/kg Mole . °K are 0.66 & 1.987 1.987 & 0.66 5 & 3 3.987 & 1.987 0.66 & 1.987 1.987 & 0.66 5 & 3 3.987 & 1.987 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics 4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is 8 J 4 J ∞ Zero 8 J 4 J ∞ Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0°C, 760 mm Hg) will be __________ litres. 22.4 448 Data insufficient; can't be computed 224 22.4 448 Data insufficient; can't be computed 224 ANSWER DOWNLOAD EXAMIANS APP
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) 3KT/m √(6KT/m) √(2KT/m) √(3KT/m) 3KT/m √(6KT/m) √(2KT/m) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Second law of thermodynamics is concerned with the Amount of energy transferred Non-cyclic processes only Irreversible processes only Direction of energy transfer Amount of energy transferred Non-cyclic processes only Irreversible processes only Direction of energy transfer ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in No change in the value of COP Increased or decreased COP ; depending upon the type of refrigerant Decreased COP Enhanced COP No change in the value of COP Increased or decreased COP ; depending upon the type of refrigerant Decreased COP Enhanced COP ANSWER DOWNLOAD EXAMIANS APP
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