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 -19.4 -30.2 55.2 -55.2 -19.4 -30.2 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 Increased or decreased COP ; depending upon the type of refrigerant Decreased COP No change in the value of COP Enhanced COP Increased or decreased COP ; depending upon the type of refrigerant Decreased COP No change in the value of COP Enhanced COP ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an ideal refrigeration cycle, the change in internal energy of the fluid is +ve Either of the above three ; depends on the nature of refrigerant -ve +ve Either of the above three ; depends on the nature of refrigerant -ve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Normal temperature and pressure (N.T.P.) corresponds to 20°C and 760 mm Hg 0°C and 1 kgf/cm² 0°C and 760 mm Hg 15°C and 760 mm Hg 20°C and 760 mm Hg 0°C and 1 kgf/cm² 0°C and 760 mm Hg 15°C and 760 mm Hg ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Activity co-efficient is a measure of the Vapour pressure of liquid None of these Departure of gas phase from idea] gas law Departure from ideal solution behaviour Vapour pressure of liquid None of these Departure of gas phase from idea] gas law Departure from ideal solution behaviour ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In a reversible process Tds - dW + dE >0 DE - dW = Tds DW - dE = Tds Tds = dE + dW Tds - dW + dE >0 DE - dW = Tds DW - dE = Tds Tds = dE + dW ANSWER DOWNLOAD EXAMIANS APP
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