πChemical Engineering MCQs
Chemical Engineering MCQs
496 MCQs151
The enthalpy change when ammonia gas is dissolved in water is called the heat of___________________?
ASolution
BFormation
CDilution
DCombustion
152
_______________ increases with increase in pressure?
Anor B
BThe boiling point of a liquid
CBoth
DNeither
153
For organic compounds, group contribution method can be used for the estimation of _____________________?
ACritical properties
BSpecific gravity
CSpecific volume
DThermal conductivity
154
Which of the following represents the Virial equation of state ?
AT = [RT/(V-
BPV/RT = 1 + (B/V) + (C/V2) + β¦β¦
Cn1u2 + ΞΌ2ΞΌ1 = 0
DNone of these
155
The value of Cp & Cv respectively for monatomic gases in Kcal/kg Mole.Β°K are________________?
A5 & 3
B3.987 & 1.987
C1.987 & 0.66
D0.66 & 1.987
156
The temperature at the eutectic point of the system is the _____________ temperature that can be attained in the system?
ALowest
BHighest
CAverage
DNone of these
157
For an ideal gas, the internal energy depends upon its ____________ only?
AMolecular size
BTemperature
CVolume
DPressure
158
For water at 300Β°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions, one mole of water in liquid phase has a volume of 25.28 cm3 and that in vapour phase in 391.1 cm3.Fugacity of water (in kPa) at 9000 kPa will be__________________?
A6738.9
B6753.5
C7058.3
D9000
159
Pick out the correct statement?
AIf an insoluble gas is passed through a volatile liquid placed in a perfectly insulated container, the temperature of the liquid will increase
BA process is irreversible as long as Ξ S for the system is greater than zero
CThe mechanical work done by a system is always equal toβ«P.dV
DThe heat of formation of a compound is defined as the heat of reaction leading to the formation of the compound from its reactants
160
_____________ law of thermodynamics ascertains the direction of a particular spontaneous process?
AZeroth
BFirst
CSecond
DThird