Chemical Engineering Thermodynamics Refrigeration capacity of a household refrigerator may be round about __________ tons. 6.5 1.5 4.5 0.15 6.5 1.5 4.5 0.15 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A change in state involving a decrease in entropy can be spontaneous, only if It is exothermic It is isenthalpic It takes place at constant volume It takes place isothermally It is exothermic It is isenthalpic It takes place at constant volume It takes place isothermally ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When dilute aqueous solutions of two salts are mixed, the process is associated with Change in temperature which is a function of composition Increase in temperature Decrease in temperature No change in temperature Change in temperature which is a function of composition Increase in temperature Decrease in temperature No change in temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P₁ and P₂.(where, P₁ and P₂ are initial and final pressures respectively) Harmonic Geometric Arithmetic Logarithmic Harmonic Geometric Arithmetic Logarithmic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about __________ percent. 0.75 0.5 0.25 1 0.75 0.5 0.25 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Heating of a substance Reversible isothermal volume change Cooling of a substance Simultaneous heating and expansion of an ideal gas Heating of a substance Reversible isothermal volume change Cooling of a substance Simultaneous heating and expansion of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
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