GATE Chemical Engineering Questions and Answers - 1

Question: 1

Smoke point of kerosene expresses its

(A) aromatic content directly

(B) burning characteristics

(C) luminosity characteristics

(D) lamp wick wetting characteristics

Question: 2

Hydrotreating is used for

(A) removal of sulphur and nitrogen from petroleum fractions

(B) improving octane number of gasoline

(C) treatment of crude oil with water

(D) removal of water from crude oil

Question: 3

Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene and toluene?

(A) alkylation

(B) reforming

(C) pyrolysis

(D) hydrocracking

Question: 4

High aniline point of a petrofuel indicates that

(A) it is highly aromatic in nature

(B) it has a very low diesel index

(C) its ignition quality is very poor

(D) it is highly paraffinic in nature

Question: 5

Petroleum

(A) constitute mainly of olefins

(B) does not contain asphalt

(C) does not contain aromatics

(D) is optically active