BUILDING MATERIALS QUIZ

Resins are

Not soluble in water

Used in varnishes

Soluble in spirit

Left behind on evaporation of oil

TRUE ANSWER : ?
YOUR ANSWER : ?

Name the type of cement from the following for canal linings:

Quick setting cement

Sulphate resisting cement

Pozzolana cement

Rapid hardening cement

TRUE ANSWER : ?
YOUR ANSWER : ?

Steel contains carbon approximately

0.25 %

1.50% to 5.6%

0.05% to 1.75%

None to these

TRUE ANSWER : ?
YOUR ANSWER : ?

Duco paints are

Plastic paints

Oil paints

Emulsion paints

Cellulose paints

TRUE ANSWER : ?
YOUR ANSWER : ?

According to ISI, bitumen is classified into

2 grades

10 grades

8 grades

4 grades

TRUE ANSWER : ?
YOUR ANSWER : ?

During smelting process, the combination of fuel in the furnace

Forms carbon dioxide

All listed here

Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2

Carbon dioxide with carbon forms carbon mono-oxide

TRUE ANSWER : ?
YOUR ANSWER : ?

Spirit varnish generally consists of

Pigment and synthetic resin

Alcohol, wax and turpentine

Spirit and shellac

Oil, wax and resin

TRUE ANSWER : ?
YOUR ANSWER : ?

Due to attack of dry rot, the timber

Reduces to powder

Shrinks

Cracks

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Assertion A : Pure lime takes a long time to develop adequate strength.Reason R : Pure lime has slow hardening characteristics.Select your answer according to the coding system given below:

Both A and R is true and R is not a correct explanation of A

A is true but R is false

A is false but R is true

Both A and R is true and R is correct explanation of A

TRUE ANSWER : ?
YOUR ANSWER : ?

A good brick earth should contain:

All listed here

About 50% to 60% of silica

About 20% to 30% of alumina

Not more than 5% of lime

TRUE ANSWER : ?
YOUR ANSWER : ?