Which of the following is an example of absorption?
A.Extraction of sugarcane juice
B.Dechlorination of water
C.Removal of oil from cake
D.Removal of moisture from gasoline
E.None of the above
Category: Chemical Engineering Mcqs
The density of O2 at 10?C and 20 x 105 N/m2 abs in kg/m3 is
A.769.8
B.0.85
C.870.6
D.27.2
The molecular weight of heavy water is
A.10
B.12
C.18
D.20
Cetane number is an important test for
A.gasoline
B.kerosine
C.High speed diesel oil
D.Fuel oil
Aniline point of an oil is the lowest temperature at which the oil is completely miscible with an equal volume of aniline. High aniline point indicates that the fuel
A.is highly paraffinic
B.has a low diesel
C.has a very poor ignition quality
D.is highly armatic
Octane number of paraffins
A.remains constant with change in number of carbon atoms
B.increases with increase in number of carbon atoms
C.decreases with increase in number of carbon atoms
D.none of the above
Diffusion is a process of
A.movement of particles from higher concentration to lower concentration
B.movement of particles through a semipermeable membrane
C.rarefaction of particles
D.accumulation of particles on a solid surface
For identical feed composition, flow rate, conversion and for all positive reaction orders the ratio of the volume of mixed reactor to the the volume of plug flow reactor
A.is independent of the order of reaction
B.increases with increase in the order of reaction
C.decreases with increase in the order of reaction
D.increases linearly with increase in the order of reaction.
In electrolysis oxidation takes place at
A.abnode
B.cathode
C.both the electrodes
D.none of the electrodes
The pyrogallol solution absorbs
A.CO2 as well as CO
B.CO2 as well as O2
C.CO2 CO and O2
D.CO as well as O2
