PETROLEUM REFINERY ENGINEERING QUIZ

Reforming

Improves the quality & yield of gasoline

All of these

Does not much affect the molecular weight of the feed

Uses naphtha as feedstock

TRUE ANSWER : ?
YOUR ANSWER : ?

Cetane number of high speed diesel must be?

45

30

75

95

TRUE ANSWER : ?
YOUR ANSWER : ?

Carbon/hydrogen ratio (by weight) is maximum (out of following) for

Light gas oil

Gasoline

Heavy fuel oil

Kerosene

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil?

Engler theory

All of these

Carbide theory

Modern theory

TRUE ANSWER : ?
YOUR ANSWER : ?

Flash point of diesel/kerosene (>50°C) is determined by the

Saybolt chromometer

Abel apparatus

None of these

Pensky-Martens apparatus

TRUE ANSWER : ?
YOUR ANSWER : ?

Mercaptans is represented as (where R and R' are alkyl groups)

R-S-H

R-S-R'

R-COOH

R-S-R

TRUE ANSWER : ?
YOUR ANSWER : ?

Smoke point of kerosene is the

Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp

None of these

Time after which smoking starts on burning

Temperature at which smoking starts

TRUE ANSWER : ?
YOUR ANSWER : ?

With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products

Unpredictable from the data

Remains same

Increases

Decreases

TRUE ANSWER : ?
YOUR ANSWER : ?

Reid vapour pressure of gasoline is the measure of its

Vapour locking tendency

Cloud point

Carbon residue

Pour point

TRUE ANSWER : ?
YOUR ANSWER : ?

Flash point of motor gasoline may be around __________ °C.

45

10

150

100

TRUE ANSWER : ?
YOUR ANSWER : ?