Related Questions

Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by
A Adsorption on palladium
B Cryogenic operations (low temperature cooling)
C Absorption (using ethanolamine or pyragalloll solution)
D None of these
People use Sedan car and Micro bus for only personal usage . Of all the automobiles sold during that period what percent will be used solely for personal usage?
A 70%
B 74.22%
C 75.52%
D 68.94%
Flash distillation is suitable for separating the constituents of a binary system, which
A Form minimum boiling azeotrope
B Have very wide boiling points
C Have very close boiling points
D Form constant boiling azeotrope
Flash distillation is
A Same as differential distillation
B Used for multicomponent systems like crude refining
C Same as simple distillation
D Most useful for handling binary systems
Flash distillation is suitable for the separation of components
A Having very close boiling points
B Which form maximum boiling azeotrope
C Having very wide boiling points
D Which form minimum boiling azeotrope
Flash point of atmospheric distillation residue is determined by __________ apparates.
A Pensky-Martens (closed cup type)
B Abel
C Cleveland (open cup type)
D None of these
Polar organic compounds are normally used as separating agents for the azeotropic and extractive distillation. Which of the following is the most important factor to be considered for the choice of the separating agent for extractive distillation?
A Cost
B Availability
C Toxicity
D Selectivity
If the amount of the steam used in steam distillation is increased, the temperature of distillation
A Increases
B Decreases
C Remains unchanged
D Depends on relative volatility
Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute).
A 5-10
B 30-80
C 150-250
D 350-400
Dilute wine was used as a thermometric liquid initially to develop temperature scale. First emperical temperature scale developed was the __________ scale.
A Kelvin
B Centigrade
C Fahrenheit
D Reaumer

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