Chemical Engineering Thermodynamics A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The maximum work (in J) that can be obtained from 1000 J of heat extracted from the hot reservoir is 651 667 349 1000 651 667 349 1000 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 Decreased COP Increased or decreased COP ; depending upon the type of refrigerant Enhanced COP No change in the value of COP Decreased COP Increased or decreased COP ; depending upon the type of refrigerant Enhanced COP ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics First law of thermodynamics is mathematically stated as dQ = dE + dW dQ = dE - dW dE = dQ + dW dW = dQ + dE dQ = dE + dW dQ = dE - dW dE = dQ + dW dW = dQ + dE ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work. Isentropic None of these Adiabatic Isothermal Isentropic None of these Adiabatic Isothermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Generation of heat by friction is an example of a/an __________ change. Isothermal Adiabatic Reversible Irreversible Isothermal Adiabatic Reversible Irreversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a thermodynamic system containing 'x' chemical species, the maximum number of phases that can co-exist at equilibrium is X + 3 X + 2 X + 1 X X + 3 X + 2 X + 1 X ANSWER DOWNLOAD EXAMIANS APP