PETROLEUM REFINERY ENGINEERING QUIZ

Tetra-ethyl lead is added in gasoline to

Reduce gum formation

Reduce the pour point

Increase its octane number

Increase its smoke point

TRUE ANSWER : ?
YOUR ANSWER : ?

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

R-S-R'

R-S-R

R-S-H

R-COOH

TRUE ANSWER : ?
YOUR ANSWER : ?

Research octane number refers to the

Unleaded motor fuels

High octane number motor fuels

Low octane number motor fuels

High octane number aviation fuels

TRUE ANSWER : ?
YOUR ANSWER : ?

Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of

Methane & carbon monoxide

Butane & ethane

Methane & ethane

Propane & butane

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following has maximum hydrogen/carbon ratio (by weight)?

Naphtha

Diesel

Fuel oil

Gasoline

TRUE ANSWER : ?
YOUR ANSWER : ?

Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C ?

Naphtha

Heavy fuel oil

Kerosene

Petrol

TRUE ANSWER : ?
YOUR ANSWER : ?

Crude oil is pumped by a __________ pump.

Reciprocating

Screw

Centrifugal

Gear

TRUE ANSWER : ?
YOUR ANSWER : ?

Sulphur content in lighter and heavier petroleum products is generally determined respectively by

Bomb method and quartz tube method

Bomb method and lamp method

Lamp method and bomb method

Quartz tube method and lamp method

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

Coking

Discoloration

Thermal cracking

TRUE ANSWER : ?
YOUR ANSWER : ?

A good lubricant should have high

None of these

Viscosity index

Volatility

Pour point

TRUE ANSWER : ?
YOUR ANSWER : ?

↑