⟩ __________ determination is not a very significant and important test for gasoline. A. Gum & sulphur content B. Viscosity C. Octane number D. Reid vapor pressure
Option B
Option B
Aniline point of high speed diesel may be about __________ °C. A. 35 B. 70 C. 105 D. 150
The vacuum maintained in vacuum distillation unit for reduced crude is about __________ mmHg. A. 1.2 B. 12 C. 120 D. 700
Aniline point is a property of the A. diesel B. LPG C. naphtha D. gasoline
Octane number (unleaded) of reformed gasoline may be upto A. 60 B. 70 C. 80 D. 90
Which of the following is not a sulphur compound present in petroleum? A. Thiophenes B. Mercaptans C. Sulphones D. Pyroles
Which of the followingis desirable in petrol (gasoline) but undesirable in kerosene? A. Paraffins B. Aromatics C. Mercaptans D. Naphthenic acid
The conductivity of crude oil-water mixture depends on the A. pH value B. water percentage C. temperature D. all (a), (b) and (c)
Cracking is A. an exothermic reaction. B. an endothermic reaction. C. favoured at very low temperature. D. none of these.
Which of the following is not an important property of fuel oil/furnace oil? A. Sulphur content B. Viscosity C. Aniline point D. Flash point
Smoke point of kerosene is the A. time after which smoking starts on burning. B. temperature at which smoking starts. C. maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp. D. none of these.