MATERIALS AND CONSTRUCTION QUIZ

Condenser tubes are not made of

Wood metal

Cartridge brass

Muntz brass

Aluminium brass alloy

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following exercises most powerful influence on the mechanical properties of steel?

Phosphorous

Manganese

Carbon

Silicon

TRUE ANSWER : ?
YOUR ANSWER : ?

The 'bomb' in the bomb calorimeter is made of

High silicon iron (14% Si)

Mild steel

Molybdenum stainless steel

Copper

TRUE ANSWER : ?
YOUR ANSWER : ?

Manganese in steel affects its

Ductility

Hardness

None of these

Tensile strength

TRUE ANSWER : ?
YOUR ANSWER : ?

Glass lined vessels are not used for handling/storing

Dilute HCl

Dilute H₂SO₄

Hydroflouric acid

Dilute HNO₃

TRUE ANSWER : ?
YOUR ANSWER : ?

Hydrochloric acid absorber in made of

Mild steel

Stainless steel

Karbate

Cast iron

TRUE ANSWER : ?
YOUR ANSWER : ?

Hydrochloric acid is __________ corrosive to common metals.

Mildly

Least

Not

Highly

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following comprises of hydrocarbons?

Glass

Mica flakes

None of these

Rubber

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one is remelted and poured into moulds to get cast iron?

Mild steel

Wrought iron

Low carbon steel

Pig iron

TRUE ANSWER : ?
YOUR ANSWER : ?

Atmospheric corrosion of metals result from their

Slow dehydration

Fast oxidation

Slow oxidation

Fast hydration

TRUE ANSWER : ?
YOUR ANSWER : ?

↑