MATERIALS AND CONSTRUCTION QUIZ

Stainless steel contains

Chromium and nickel

Copper

Vanadium

Aluminium

TRUE ANSWER : ?
YOUR ANSWER : ?

The range of Mho's scale of hardness is from

1 to 10

1 to 15

1 to 8

0 to 10

TRUE ANSWER : ?
YOUR ANSWER : ?

Softening of hardned steel is done by its

Carburising

Tempering

Annealing

Normalising

TRUE ANSWER : ?
YOUR ANSWER : ?

When iron is rusted, it is

Reduced

Oxidised

Converted to a fine powder

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ is used for examining the macro-structure of a material.

Metallurgical microscope

X-rays

Optical microscope

Visual inspection by naked eye

TRUE ANSWER : ?
YOUR ANSWER : ?

The presence of impurities in iron

Decreases its melting point

Increases its melting point

Makes it malleable

Does not affect its melting point

TRUE ANSWER : ?
YOUR ANSWER : ?

A metallic alloy in general as compared to their pure metal components is

Having lower hardness, reactivity and fusibility

Having lower electrical conductivity

Having higher melting point

More corrosion resistant

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following has the least value of ultimate tensile strength (UTS)?

Cast iron

Wrought iron

Medium carbon steel

High carbon steel

TRUE ANSWER : ?
YOUR ANSWER : ?

Nickel is a constituent of

Duralumin

Solder

Monel metal

Bronze

TRUE ANSWER : ?
YOUR ANSWER : ?

Corrosion resistance of steel is increased by the addition of

Molybdenum and tungsten

Phosphorous and tungsten

Nickel and chromium

Lead and vanadium

TRUE ANSWER : ?
YOUR ANSWER : ?

↑