Related Questions

Pick out the additive property of a lube oil out of following.
A °API gravity
B Specific gravity
C Viscosity
D Flashpoint
Solvent used in duo-sol extraction for lube oil upgradation is a mixture of
A Propane & phenol-cresol mixture
B Methyl ethyl ketone & glycol
C Phenol & furfural
D Propane & liquid sulphur dioxide
The solvent used in Barisol dewaxing process is
A Hexane
B Furfural
C Benzol and ethylene dichloride
D Methyl ethyl ketone (MEK)
Solvent used for dewaxing of petroleum products are
A Furfural
B Methyl ethyl ketone (MEK)
C Propane
D Both B & C
Most widely used solvent for dewaxing is
A Methyl-ethyl-ketone (MEK)
B Naphtha
C Petroleum ether
D Sodium plumbite
Which of the following can be most effectively used for clarification of lube oil and printing ink?
A Sparkler filter
B Precoat filter
C Disc-bowl centrifuge
D Sharpies supercentrifuge
Which is more viscous lube oil?
A SEA 30
B SAE 50
C SAE 70
D SAE 80
Cavitation in a pump creates so many undesirable effects. Out of the following, which is not an undesirable effect created by cavitation?
A Decrease in effect
B Increase in thrust
C Develops noise
D Develops high pressure
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
Which of the following is an undesirable property for an absorbing solvent?
A Low vapour pressure
B Low velocity
C Low freezing point
D None of these

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