MATERIALS AND CONSTRUCTION QUIZ

Spark plugs, ignition tubes and electrodes are made of nickel __________ alloys.

Beryllium

Manganese

Iron

Copper

TRUE ANSWER : ?
YOUR ANSWER : ?

Wrought iron is

Highly resistance to acid corrosion

An alloy of iron, chromium & carbon

High carbon iron

Malleable & ductile; and hence is used for chain links, hooks & couplings

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 phenomenon in which slow extension of material takes place with the time at constant load is called

Elasticity

Ductility

Plasticity

Creep

TRUE ANSWER : ?
YOUR ANSWER : ?

Nickel (76%) and chromium (15%) alloys are termed as

Inconel

Monel

Brass

Aluminium bronzes

TRUE ANSWER : ?
YOUR ANSWER : ?

The crystal structure of most of the common metals is

Orthorhombic

Hexagonal

Cubic

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is a non-magnetic material?

None of these

Zinc

Cobalt

Nickel

TRUE ANSWER : ?
YOUR ANSWER : ?

A material is called 'ductile', if it can be

Hammered to a thin sheet

Drawn into wires

Made lustrous by heating it

Fractured without deformation

TRUE ANSWER : ?
YOUR ANSWER : ?

Monel alloy is

Used for making steam valves and turbine blades as it resists steam attack at high temperature

The costliest of all the alloys of nickel

Not used in cast and wrought forms

Not suitable for making kitchen utensils

TRUE ANSWER : ?
YOUR ANSWER : ?

In the kraft (sulphate) process for the paper manufacture, the digestor is made of

Karbate carbon

Stainless steel

Cast iron

Wrought iron

TRUE ANSWER : ?
YOUR ANSWER : ?