🏭Chemical Engineering MCQs
Chemical Engineering MCQs
496 MCQs401
______________ equation gives the effect of temperature on heat of reaction ?
AKirchoff’s
BMaxwell’s
CAntoine
DKistyakowsky
402
Addition of a non-volatile solute to a pure solvent ____________________?
AIncreases its freezing point
Band
CDecreases its freezing point
DBoth
403
1 kg of calcium carbide (CaC2) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour ?
A5
B10
C15
D20
404
Addition of a non-volatile solute to a solvent produces a ______________ in its solvent?
A,
B&
CVapor pressure lowering
DAll
405
The viscosity of water at room temperature may be around one ___________________?
ACentipoise
B&
CStoke
DBoth
406
_________________ chart is a graph related to Antoine equation ?
AOstwald
BCox
CMollier’s
DEnthalpy-concentration
407
The molar composition of a gas is 10% H2, 10% O2, 30% CO2 and balance H2O. If 50% H2O condenses, the final mole percent of H2 in the gas on a dry basis will be_______________?
A10%
B5%
C18.18%
D20%
408
The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be _____________ times?
A1/2
B4
C√2
D1/4
409
If a solution of eutectic composition is cooled, _______________ reaching the eutectic temperature ?
AThe solvent begins to freeze out even before
BIt will undergo no change until
CIt will not solidify even on
DNone of these
410
Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the___________________?
ANature of the liquid
BNature of the gas
CTemperature of the liquid
DTotal pressure