🏭Chemical Engineering MCQs
Chemical Engineering MCQs
496 MCQs311
For an ideal solution, the value of activity co-efficient is______________________?
A0
B1
C1
312
Pick out the wrong statement ?
AMinimum number of degree of freedom of a system is zero
BDegree of freedom of a system containing a gaseous mixture of helium, carbon dioxide and hydrogen is 4
CFor a two phase system in equilibrium made up of four non-reacting chemical species, the number of degrees of freedom is 4
DEnthalpy and internal energy change is zero during phase change processes like melting, vaporisation and sublimation
313
Heat pump_______________________?
Aand B
BAccomplishes only space cooling in summer
CAccomplishes both
DWorks on Carnot cycle
314
The equation Tds = dE – PdV applies to___________________?
ASingle phase fluid of varying composition
Band C
COpen as well as closed systems
DBoth
315
Throttling (Joule-Thomson effect) process is a constant _____________ process?
AEnthalpy
BEntropy
CPressure
DNone of these
316
What is the value of maximum COP in case of absorption refrigeration, if refrigeration provided is at temperature, TR (where, T1 and T2 are source & surrounding temperatures respectively.) ?
ATR/(T2 – TR) × (T1 – T2)/T1
BTR/(T2 – TR) × T1/(T1 – T2)
CTR/(T1 – TR) × (T1 – T2)/T1
DNone of these
317
Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is__________________?
A2
B0
C1
D3
318
A system is said to be isopiestic, if there is no ______________ change?
ATemperature
BPressure
CVolume
DNone of these
319
What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor ?
A2
B0
C3
D1
320
Which of the following is not an equation of state ?
ABertholet equation
BClausius-Clapeyron equation
CBeattie-Bridgeman equation
DNone of these