🏭Chemical Engineering MCQs
Chemical Engineering MCQs
496 MCQs371
1 torr is equal to ______________ mm Hg column?
A1
B0.1
C10
D1000
372
The quantity of heat required to evaporate 1 kg of a saturated liquid is called __________________?
ASpecific heat
B1 Kcal
CSensible heat
DLatent heat
373
Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules ____________________?
ADo not lose energy on collision
BAre above the inversion temperature
CDo not exert attractive force on each other
DDo work equal to loss in kinetic energy
374
Which of the following is not a colligative property ?
AOsmotic pressure
BDepression of freezing point
CLowering of vapor pressure
DNone of these
375
Total energy at a point comprises of _____________ energy?
A,
B&
CInternal
DAll
376
N.T.P. corresponds to__________________?
A1 atm absolute pressure & 0°C
B760 mm Hg gauge pressure & 0°C
C760 torr & 15°C
D101.325 KPa gauge pressure & 0°C
377
‘Giga’ stands for__________________?
A109
B10-12
C1012
D1015
378
Gases having same reduced temperatures and reduced pressures_________________?
Anor
BD. Neither
CBoth
379
According to Raoult’s law, “The vapor pressure exerted by component in a solution is proportional to the mole fraction of that component.” Raoult’s law is not applicable under the following assumption/condition?
ANo component is concentrated at the surface of the solution
BThe component molecules are non polar and are of almost equal size
CIn the formation of solution, chemical combination/molecular association between unlike molecules takes place
DThe attractive forces between like and unlike molecules are almost equal
380
The pH value of a solution is 5.9. If the hydrogen ion concentration is decreased hundred times, the solution will be______________?
ABasic
BMore acidic
CNeutral
DOf the same acidity