🏭Chemical Engineering MCQs
Chemical Engineering MCQs
496 MCQs321
The melting point of paraffin wax (which contracts on solidification) _______________ with pressure rise?
AIncreases
BDecreases
CRemains unchanged
DDecreases linearly
322
In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through a point), when___________________?
ACp
BCp = Cv
CCp > Cv
DC ≥ Cv
323
The internal energy of an ideal gas does not change in a reversible _____________ process?
AIsothermal
BAdiabatic
CIsobaric
DIsometric
324
Which of the following decreases with increase in pressure ?
AMelting point of ice
BMelting point of wax
CBoiling point of liquids
DNone of these
325
Near their critical temperatures, all gases occupy volumes _____________ that of the ideal gas?
ALess than
BSame as
CMore than
DHalf
326
The number of degrees of freedom for a mixture of ice and water (liquid) are ____________________?
A3
B2
C1
D0
327
Boiling of liquid is accompanied with increase in the__________________?
A,
Band (
CSpecific entropy
DAll (
328
Refrigeration capacity of a household refrigerator may be round about _____________ tons?
A0.15
B1.5
C4.5
D6.5
329
Which is not constant for an ideal gas ?
A,
B& (
C(∂P/∂V)V
DAll (
330
Any substance above its critical temperature exists as _____________________?
ASaturated vapour
BSolid
CGas
DLiquid