Related Questions

In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction
A Heavy distillates
B Intermediate distillates
C Light ends
D Residues
After the increase of price of oil by 40%, a family decided to reduce its oil consumption so that the expenditure for oil goes up by 26% only. If the total consumption of oil before the price rise was 10 kg per month, then what is the current consumption of oil per month (in kg)?
A 8
B 8.50
C 9
D None of these
The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by
A Biological oxygen pond
B Aerated lagoons
C Trickling filters
D Gravity separator having oil skimming devices
A multigrade lubricating oil means an oil having high
A Viscosity index
B Viscosity
C Aniline point
D Flash point
Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute.
A 1 to 5
B 30 to 80
C 250 to 350
D 450 to 500
Medium viscosity lubricating oil can be most ideally pumped by a __________ pump.
A Vane
B Piston
C Centrifugal
D Plunger
__________ treatment is done for appreciable improvement in viscosity index of lubricating oil.
A Acid
B Solvent extraction
C Alkali
D Clay
Which of the following processes in oil refinery does not employ 'cracking'?
A Coking
B Visbreaking
C Pyrolysis
D None of these
While larger banks can afford to maintain their own data-processing operations, many smaller regional and community banks are finding that the 'cost assoc iated with' upgrading data processing equipment and with the development and maintenance of new products and technical staff are prohibitive.
A cost associated with
B costs asso ciated with
C costs arising from
D cost of
Which is LEAST likely to interfere with upgrading to a newer DOS version?
A ROM BIOS
B Video controller
C Compressed drives
D Existing backup files
E None of the above

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