🏭Chemical Engineering MCQs
Chemical Engineering MCQs
496 MCQs391
Pick out the wrong unit conversion of mass transfer co-efficient?
A1 lb/hr.ft3.atm. = 4.8182 kg/hr.m2.bar
B1 kg/hr.m2.atm= 0.98687 kg/hr. m .bar
C1 lb/hr.ft2 = 4.8823 kg/hr.m2
D1 kg/hr.m2 = 4.8823 lb/hr.ft2
392
Heat of solution in a system in which both solute and solvent are liquids is termed as_________________?
AHeat of solvation
BHeat of hydration
CStandard integral heat of solution
DHeat of mixing
393
The vapor pressure of liquids of similar chemical nature at any particular temperature _______________ with increase in the molecular weight?
Aor
B; depends on the liquid
CRemains unchanged
DEither
394
A chemical process is said to occur under unsteady state, if the_________________?
AInventory changes do not take place
BRatio of streams entering/leaving are independent of time
CFlow rates & composition both are time dependent
DNone of these
395
If 1 Nm3 of O2 contains ‘N’ number of molecules, then number of molecules in 2Nm3 of SO2 will be_________________?
AN
BN/2
C2N
D4N
396
The heat capacity of a substance is ____________________?
AGreater for liquid state than for solid state
BLower for liquid state than for gaseous state
CHigher for solid state than for liquid state
DEqual for solid and liquid states below melting point
397
The total number of atoms in 8.5 gm of NH3 is _______________ × 1023?
A9.03
B3.01
C1.204
D6.02
398
As per Kirchhoff s equation, the heat of reaction is affected by the__________________?
APressure
BVolume
CTemperature
DMolecularity
399
A perfectly insulated container of volume V is divided into two equal halves by a partition. One side is under vacuum, while the other side has one mole of an ideal gas (with constant heat capacity) at 298 K. If the partition is broken, the final temperature of the gas in the container___________________?
AWill be greater than 298 K
BWill be 298 K
CWill be less than 298 K
DCannot be determined
400
“The equilibrium value of the mole fraction of the gas dissolved in a liquid is directly proportional to the partial pressure of that gas above the liquid surface”. This statement pertaining to the solubility of gases in liquid is the ______________ law?
ARaoult’s
BHenry’s
CAmagat’s
DNone of these