⟩ Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke? A. Naphtha B. Vacuum residue C. Light gas oil D. Diesel
Option B
Option B
Catalyst used in the isomerisation is A. aluminium chloride B. alumina C. nickel D. phosphoric acid
Crude oils containing more than __________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a 'salty crude'. A. 1 B. 5 C. 15 D. 25
Pick out the correct statement about catalytic polymerisation. A. H2SO4 polymerisation process gives gasoline rich in unsaturates. B. In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive. C. both (a) and (b) D. neither (a) nor (b)
Reid vapour pressure of gasoline is the measure of its A. pour point B. cloud point C. vapour locking tendency D. carbon residue
Boiling range of motor gasoline is an indication of the A. case of starting B. rate of acceleration C. vapour locking tendency D. all (a), (b) and (c)
Performance number of a liquid fuel is related to its A. wax content B. spontaneous ignition temperature C. knocking tendency D. sulphur content
High aniline point of diesel indicates that, it A. is highly aromatic. B. has a large ignition delay. C. is highly paraffinic. D. has a low diesel index.
Naphtha yield in straight run distillation of crude oil may be about __________ percent. A. 2 B. 6 C. 12 D. 18
Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is A. propane. B. diethylene glycol. C. aqueous solution (10% water) of diethylene glycol. D. methyl ethyl ketone (MEK).
Mercapsol and Unisol processes are meant for the A. dearomatisation of kerosene B. removal of mercaptans C. dewaxing D. decoloration