πChemical Engineering MCQs
Chemical Engineering MCQs
496 MCQs141
Filling of gas from a high pressure cylinder into small bottles is an example of a/an ______________ process?
AEquilibrium
BAdiabatic
CSteady
DUnsteady
142
Degree of freedom of the system ice-water-vapour will be ________________?
A0
B1
C2
D3
143
If we increase the pressure on a substance (which is at its triple point), then the triple point __________________?
AIncreases
BDecreases
CRemains unchanged
DMay increase or decrease; depends on the substance
144
Heating of water under atmospheric pressure is an ______________ process?
AIsochoric
BIsobaric
CAdiabatic
DIsothermal
145
In a homogeneous solution, the activity co-efficient of a component depends upon the_________________?
A,
Band (
CTemperature
DAll (
146
The main feature of Carnot refrigeration cycle is that, it________________________?
ADoes not need the addition of external work for its functioning
BTransfers heat from high temperature to low temperature
CAccomplishes the reverse effect of the heat engine
DNone of these
147
Equilibrium constant decreases as the temperature___________________?
AIncreases, for an exothermic reaction
BDecreases, for an exothermic reaction
CIncreases, for an endothermic reaction
DNone of these
148
In a reversible process__________________?
ATds = dE + dW
BdE β dW = Tds
CdW β dE = Tds
DTds β dW + dE >0
149
Joule-Thomson co-efficient depends on the_____________________?
Anor B
BTemperature
CBoth
DNeither
150
Troutonβs ratio is given by (where Ξ»b, = molal heat of vaporisation of a substance at its normal boiling point, kcal/kmol Tb = normal boiling point, Β°K) ___________________?
AΞ»b/Tb
BTb/Ξ»b
Cβ(Ξ»b/Tb)
Dβ(Tb/Ξ»b)