Search
.Management Sciences
Category: Petroleum Refinery Engineering
Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency ?
A. Paraffins
B. Naphthenes
C. Aromatics
D. Iso-paraffins
Smoke point of a test sample of kerosene is found to be 15 mm. On removal of ________________ from it, the smoke point rises to 25 mm?
A. n-paraffins
B. Olefins
C. Aromatics
D. None of these
Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of _______________?
A. Propane & butane
B. Butane & ethane
C. Methane & ethane
D. Methane & carbon monoxide
A good lubricant should have high _____________________ ?
A. Viscosity index
B. Volatility
C. Pour point
D. None of these
Which of the following is desirable in diesel and kerosene but is undesirable in gasoline ?
A. Aromatics
B. Mercaptans
C. Paraffins
D. Naphthenic acid
Antioxidants are added in petrol to _____________________?
A. Impart colour to it, for easy identification
B. Minimise the gum formation
C. Prevent icing of the carburettor
D. Prevent the lead build up in engines
Solvent used for dewaxing of petroleum products are____________________?
A. Furfural
B. Methyl ethyl ketone (MEK)
C. Propane
D. Both B. & C.
True boiling point apparatus is used for the__________________?
A. Determination of characterisation factor
B. Evaluation of oil stocks
C. Determination of true vapour pressure
D. None of these
Which of the following has maximum hydrogen/carbon ratio (by weight) ?
A. Naphtha
B. Gasoline
C. Diesel
D. Fuel oil
‘Solvent naphtha’ used mostly as a solvent in paints and perfumery is produced by the _________________ of virgin naphtha into small boiling range cuts?
A. Steam reforming
B. Distillation
C. Desulphurisation
D. None of these
Recent Comments