__________ test is done to find out the softening point of bitumen. Viscosity Impact Ball and ring Flame TRUE ANSWER : ? YOUR ANSWER : ?
Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute). 150-250 43961 30-80 350-400 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following fractions of a crude oil will have the maximum gravity API (i.e. °API) ? Diesel Gasoline Vacuum gas oil Atmospheric gas oil TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the most important property for a jet fuel? Pour point Cloud point Freezing point Colour TRUE ANSWER : ? YOUR ANSWER : ?
A good lubricant should have high None of these Volatility Pour point Viscosity index TRUE ANSWER : ? YOUR ANSWER : ?
1 centistoke is equal to __________ Redwood I seconds. 40.8 0.408 1 4.08 TRUE ANSWER : ? YOUR ANSWER : ?
H/C ratio (by weight) for the same number of carbon atoms is the highest in case of Paraffins Olefins Aromatics Naphthenes TRUE ANSWER : ? YOUR ANSWER : ?
Smoke point of kerosene expresses its Luminosity characteristics Aromatic content directly Burning characteristics Lamp wick wetting characteristics TRUE ANSWER : ? YOUR ANSWER : ?
Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of Gum formation Discoloration Thermal cracking Coking TRUE ANSWER : ? YOUR ANSWER : ?