Chemical Engineering Thermodynamics The total change in the enthalpy of a system is independent of the Pressure and temperature None of these State of combination and aggregation in the beginning and at the end of the reaction Number of intermediate chemical reactions involved Pressure and temperature None of these State of combination and aggregation in the beginning and at the end of the reaction Number of intermediate chemical reactions involved ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a gas in a vessel expands, its internal energy decreases. The process involved is Isothermal Reversible Irreversible Adiabatic Isothermal Reversible Irreversible Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics During Joule-Thomson expansion of gases Enthalpy remains constant Temperature remains constant None of these Entropy remains constant Enthalpy remains constant Temperature remains constant None of these Entropy remains constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture __________ calorimeter is not used for measuring the dryness fraction of steam. Throttling Bomb Bucket Separating Throttling Bomb Bucket Separating ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is More pronounced Less pronounced Data insufficient, can't be predicted Equal More pronounced Less pronounced Data insufficient, can't be predicted Equal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an irreversible process Tds - dE + dW< 0 DE - dW - Tds = 0 Tds - dT + dW< 0 Tds = dE - dW = 0 Tds - dE + dW< 0 DE - dW - Tds = 0 Tds - dT + dW< 0 Tds = dE - dW = 0 ANSWER DOWNLOAD EXAMIANS APP
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