⟩ Why should one care about the OSI Reference Model?
Because it provides a framework for discussing network operations and design.
Because it provides a framework for discussing network operations and design.
True vapour pressure of a petroleum fraction __________ Reid vapour pressure. A. is less than B. is more than C. is same as D. may be either more or less than
The main purpose of recycling the byproduct hydrogen gas in the reformer reactor is to A. obviate catalyst poisoning. B. maintain the reaction temperature. C. sustain the reactor pressure. D. hydrogenate the feed stock.
Increase in the specific gravity of petroleum products indicates A. decrease in paraffin content. B. increase in thermal energy per unit weight. C. increase in aromatic content. D. higher H/C ratio.
'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
Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with A. methyl alcohol B. ethyl alcohol C. methane D. ethane
The main aim of cracking is to produce A. gasoline B. lube oil C. petrolatum D. coke
LPG when brought to atmospheric pressure & temperature will be a A. liquid lighter than water. B. liquid heavier than water. C. gas lighter than air. D. gas heavier than air.
The amount of tetraethyl lead added to improve the octane number of motor gasoline is around __________ c.c per gallon of petrol. A. 3 B. 300 C. 3000 D. 1000
Naphthenic acid is a/an __________ compound. A. sulphur B. nitrogen C. oxygen D. none of these
Glycol added to petrol acts as a/an __________ agent. A. anti-knocking B. anti-icing C. anti-gum forming D. dewaxing