Home→ Petroleum Refinery Engineering →Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than ________________ mg/kg of kerosene?

LPG stands for __________?
Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________ ptb (pounds per thousand barrel) ?
Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas?
Which of the following has the minimum °API gravity of all ?
Reforming converts__________?
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 __________?
The best method of determining sulphur in crude oil is by the __________ method?
Which of the following reactions is undesirable in the production of catalytically reformed gasoline ?
The most important property for a jet fuel is its__________?
Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute)?
Which of the following is not an important property of fuel oil/furnace oil ?
High aniline point of a petrofuel (say diesel) indicates that __________?
The vacuum maintained in vacuum distillation unit for reduced crude is about __________ mm Hg?
Liquefied Petroleum Gas (LPG) is mainly a mixture of __________?
Which of the following has the lowest cetane number ?
Pressure & temperature maintained in catalytic cracking is about__________?
In catalytic cracking, the__________?
Carbon percentage (by weight) in crude petroleum may be about__________?
CnH2n is the general formula for__________?
Which of the following has maximum hydrogen/carbon ratio (by weight) ?

Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than ________________ mg/kg of kerosene?

A. 1
B. 20
C. 100
D. 500

Correct Answer: 20 ✔

Last Updated: March 01, 2019