🏭Chemical Engineering MCQs
Chemical Engineering MCQs
496 MCQs461
A sugar solution containing _________________ percent sugar is equivalent to 1 Brix?
A0.01
B0.1
C1
D10
462
pH value of a solution containing 1 gm of hydrogen ion per litre will be ____________________?
A0
B1
C7
D10
463
Equal masses of CH4 and H2 are mixed in an empty container. The partial pressure of hydrogen in this container expressed as the fraction of total pressure is___________________?
A1/9
B8/9
C1/2
D5/9
464
No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules____________________?
ACollide without loss of energy
BDo work equal to loss in kinetic energy
CAre above the inversion temperature
DExert no attractive force on each other
465
Density of carbon dioxide is _________________ kg/Nm3 ?
A44/22400
B44/22.4
C22.4/44
DNone of these
466
The ratio of existing moles of vapor per mole of vapor free gas to the moles of vapor that would be present per mole of vapor free gas, if the mixture were saturated at the existing temperature & pressure, is termed as the_____________________?
ARelative humidity
BRelative saturation
CPercentage saturation
DNone of these
467
Molar heat capacity of water in equilibrium with ice at constant pressure is_____________________?
A0
B∞
C1
DNone of these
468
The depression in freezing point of a solution is________________?
Anor
BD. Neither
CBoth
469
At higher temperatures, molal heat capacities for most of the gases (at constant pressure) _______________ with increase in temperature?
AVaries linearly
BIncreases
CDecreases
DDoes not vary
470
Which of the following terms of Vander Walls equation of state for a non-ideal gas accounts for intermolecular forces ?
ART
BD. 1/RT
C(V –