⟩ The most important property for a jet fuel is its A. viscosity B. freezing point C. calorific value D. flash point
Option B
Option B
Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as A. α-methyl naphthalene. B. 2-2-4 tri methyl pentane. C. 1, 3 butadiene. D. tetra methyl ethylene.
In catalytic cracking, the A. gasoline obtained has a very low octane number. B. pressure & temperature is very high. C. gasoline obtained has very high aromatic content. D. gasoline obtained has very high amount of gum forming compounds.
Pour point of a petrofuel is A. multiple of 3°F. B. multiple of 5°F. C. 5°C below the temperature at which oil ceases to flow. D. none of these.
LPG stands for A. liquid petroleum gas B. liquified petrol gas C. liquid petrol gas D. liquefied petroleum gas
"Breathing loss" on storage of gasoline occurs due to the A. presence of unsaturated air. B. fluctuation of ambient temperature during day and night. C. both (a) and (b). D. neither (a) nor (b).
Which is an anticing compound? A. Amyl nitrate B. Alcohals C. Mercaptans D. Pyridine
The terminology used for the bottom most product from the vacuum crude distillation unit is A. residual crude B. residuum C. reduced crude D. petrolatum
Which of the following is the easiest to crack? A. Paraffins B. Olefins C. Naphthenes D. Aromatics
Flash point of a liquid petroleum fuel gives an idea about its A. volatility. B. explosion hazards characteristics. C. nature of boiling point diagram. D. all (a), (b) and (c)
Clay treatment of petroleum products A. decolorises & stabilises cracked gasoline. B. desulphurise straight run gasoline & kerosene. C. adsorb arsenic from feedstock to catalytic reforming. D. all (a), (b) & (c).