🏭Chemical Engineering MCQs
Chemical Engineering MCQs
496 MCQs271
(∂H/∂T)P is the mathematical expression for____________________?
ACV
BEntropy change
CGibbs free energy
DNone of these
272
The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is_________________?
AR loge 4
BR log10 4
CCv log10 4
DCv loge 4
273
The unit of equilibrium constant of a chemical reaction is the same as that of__________________?
AMolar concentration
BTemperature
CInternal energy
DNone of these
274
A liquid under pressure greater than its vapour pressure for the temperature involved is called a _____________ liquid?
ASub-cooled
BSaturated
CNon-solidifiable
DNone of these
275
Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the__________________?
ACalorific value
BHeat of reaction
CHeat of combustion
DHeat of formation
276
What is the value of ln y (where y = activity co-efficient) for ideal gases ?
AZero
BUnity
CInfinity
DNegative
277
What is the number of degree of freedom for a system of two miscible non-reacting species in vapor-liquid equilibrium forming an azeotrope ?
A0
B2
C1
D3
278
In the ammonia synthesis reaction, N2 + 3H2 ⇌ 2NH3 + 22.4 kcal, the formation of NH3 will be favoured by___________________?
AHigh temperature
BLow pressure
CLow temperature only
DBoth low temperature and high pressure
279
Grams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be__________________?
A580
B640
C1160
DData insufficient; can’t be computed
280
Joule-Thomson co-efficient for a perfect gas is_____________________?
AZero
BPositive
CNegative
DNone of these