Chemical Engineering Thermodynamics The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is Cv log10 4 Cv loge 4 R loge 4 R log10 4 Cv log10 4 Cv loge 4 R loge 4 R log10 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the ammonia synthesis reaction, N₂ + 3H₂ ⇋ 2NH₃ + 22.4 kcal, the formation of NH₃ will be favoured by Low temperature only High temperature Both low temperature and high pressure Low pressure Low temperature only High temperature Both low temperature and high pressure Low pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect? Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve Carnot refrigeration cycle Air refrigeration cycle Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve Carnot refrigeration cycle Air refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics First law of thermodynamics is mathematically stated as dE = dQ + dW dQ = dE - dW dQ = dE + dW dW = dQ + dE dE = dQ + dW dQ = dE - dW dQ = dE + dW dW = dQ + dE ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following liquid metals has the highest thermal conductivity? Molten lead Molten potassium Mercury Molten sodium Molten lead Molten potassium Mercury Molten sodium ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Claude gas liquefaction process employs cooling By expansion in an engine None of these By throttling At constant pressure By expansion in an engine None of these By throttling At constant pressure ANSWER DOWNLOAD EXAMIANS APP
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