Chemical Engineering Thermodynamics In a P-V diagram (for an ideal gas), an isothermal curve will coincide withan adiabatic curve (through a point), when Cp < Cv Cp ≥ Cv Cp > Cv Cp = Cv Cp < Cv Cp ≥ Cv Cp > Cv Cp = Cv ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a common refrigerant? Ethylene Ammonia Freon-12 Carbon dioxide Ethylene Ammonia Freon-12 Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in Increased COP Same COP Increased or decreased COP ; depending upon the type of refrigerant Decreased COP Increased COP Same COP Increased or decreased COP ; depending upon the type of refrigerant Decreased COP 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? Carnot refrigeration cycle Air refrigeration cycle 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics First law of thermodynamics is mathematically stated as dE = dQ + dW dW = dQ + dE dQ = dE + dW dQ = dE - dW dE = dQ + dW dW = dQ + dE dQ = dE + dW dQ = dE - dW ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The unity of Planck's constant 'h' in the equation, E = hv is Kmol/J J/kmol J/s J.S Kmol/J J/kmol J/s J.S ANSWER DOWNLOAD EXAMIANS APP
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