๐ญChemical Engineering MCQs
Chemical Engineering MCQs
496 MCQs101
In the equation, PVn = constant, if the value of n = ยฑ โ, then it represents a reversible _____________ process?
AAdiabatic
BIsometric
CIsentropic
DIsothermal
102
The relation connecting the fugacities of various components in a solution with one another and to composition at constant temperature and pressure is called the _____________ equation?
AGibbs-Duhem
BVan Laar
CGibbs-Helmholtz
DMargules
103
The necessary and sufficient condition for equilibrium between two phases is_________________?
AThe concentration of each component should be same in the two phases
BThe temperature of each phase should be same
CThe pressure should be same in the two phases
DThe chemical potential of each component should be same in the two phases
104
An isentropic process is carried out at constant____________________?
A,
Band (
CTemperature
DAll (
105
The specific heat of saturated water vapour at 100ยฐC is__________________?
Aโ
B-ve
C0
D+ve
106
The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of _____________ and COP are the same?
AKinematic viscosity
BWork
CTemperature
DNone of these
107
Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture ______________ calorimeter is not used for measuring the dryness fraction of steam?
ABomb
BSeparating
CBucket
DThrottling
108
Specific volume of an ideal gas is____________________?
AEqual to its density
BThe reciprocal of its density
CProportional to pressure
DNone of these
109
The point at which all the three (solid, liquid and gas) phases co-exist, is known as the ____________ point?
AFreezing
BTriple
CBoiling
DBoyle
110
Which of the following has the least thermal efficiency ?
ASteam engine
BCarnot engine
CDiesel engine
DOtto engine