Related Questions

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
Large scale usage of flash distillation is practised in
A Soap manufacturing
B Ammonia synthesis plant
C Polymerisation industry
D Petroleum refinning
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
If a light flashes every 6 seconds, how many times will it flash in 3/4 of an hour ?
A 450 times
B 449 times
C 451 times
D 550 times
Flash memory is
A Non-removable
B Non-volatile
C Non-portable
D Volatile
The flash point of transformer oil should be higher than
A 40°C
B 60°C
C 80°C
D 104°C

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