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Engineering Materials Quiz

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

These are metals with iron as their main component.

a)

Alloy Metals

b)

Ferrous Metals

c)

Steel

d)

Brass

2.

These are metals with metals other than iron as their main constituent.

a)

Nichrome

b)

Ferrous Metals

c)

Steel

d)

Non-ferrous Metals

3.

The following are physical properties of metals, EXCEPT _____.

a)

Luster

b)

Size

c)

Strength

d)

Thermal Conductivity

4.

A physical property where light interacts with the surface of a crystal, rock, or mineral.

a)

Color

b)

Luster

c)

Thermal Conductivity

d)

Size

5.

A physical property that produces different sensations on the eye as a result of the way the object reflects or emits light.

a)

Color

b)

Luster

c)

Thermal Conductivity

d)

Size

6.

Refer to the figure shown. Samples of aluminum, nickel, silver, and steel are of the same shape and dimensions. Assuming these samples as cubes, which of these may have the greatest mass?

a)

Aluminum

b)

Nickel

c)

Silver

d)

Steel

7.

Refer to the figure shown. Which metal might melt when subjected to a temperature of 300 deg. C?

a)

Lead

b)

Tin

c)

Silver

d)

Zinc

8.

Refer to the figure shown. Which metal is considered best in conducting heat?

a)

Silver

b)

Copper

c)

Aluminum

d)

Tungsten

9.

It is the ability of a material to resist the externally applied forces without breaking or yielding.

a)

Stiffness

b)

Toughness

c)

Ductility

d)

Strength

10.

It is the ability of a material to resist deformation under stress, applying the modulus of elasticity as its limit.

a)

Stiffness

b)

Toughness

c)

Elasticity

d)

Malleability

11.

It is the ability of a material that makes it regain its original shape when external forces are removed.

a)

Plasticity

b)

Toughness

c)

Elasticity

d)

Malleability

12.

It is the ability of a material that retains the deformation produced under load permanently.

a)

Plasticity

b)

Ductility

c)

Elasticity

d)

Malleability

13.

It is the ability of a material that makes it turn into wire when a tensile force is applied to it.

a)

Plasticity

b)

Ductility

c)

Elasticity

d)

Stiffness

14.

It is the ability of a material that easily breaks when subjected to tensile loads.

a)

Plasticity

b)

Brittleness

c)

Elasticity

d)

Toughness

15.

A special case of ductility that permits a material to be rolled or hammered into thin sheets.

a)

Toughness

b)

Strength

c)

Malleability

d)

Machinability

16.

Property of a material that can resist fracture due to high impact loads like hammer blows.

a)

Toughness

b)

Strength

c)

Stiffness

d)

Ductility

17.

Property of a material that absorbs energy and resists shock and impact loads.

a)

Toughness

b)

Strength

c)

Stiffness

d)

Resilience

18.

When a part is subjected to constant stress at a high temperature for a long period of time, it will undergo a slow and permanent deformation called _______.

a)

Fatigue

b)

Deformation

c)

Creep

d)

Corrosion

19.

When a material is subjected to repeated stresses, it fails at stresses below the yield point stresses. Such type of failure of a material is known as ______.

a)

Fatigue

b)

Deformation

c)

Creep

d)

Corrosion

20.

A property of material described by its resistance to wear, scratching, deformation and machinability.

a)

Hardness

b)

Toughness

c)

Strength

d)

Rigidity

21.

A material chemically made from 64% Fe and 36% Ni.

a)

Coin

b)

Invar

c)

Electrum

d)

Nichrome

22.

Which of the following is the chemical composition of constantan?

a)

Cu = 90%, Ni = 10%

b)

Cu = 60%, Ni = 40%

c)

Cu = 50%, Zn = 30%, Ni = 20%

d)

Ni = 60%, Cr = 15%, Fe = 25%

23.

A material made from 90% copper and 10% nickel is called ____.

a)

Steel

b)

Gun Metal

c)

Bronze

d)

Brass

24.

__________ is a gradual chemical or electrochemical attack on a metal by its surrounding medium.

a)

Corrosion

b)

Creep

c)

Fatigue

d)

All of these

25.

An iron ore with 70% iron content is called ______.

a)

Magnetite

b)

Haematite

c)

Limonite

d)

Siderite

26.

An alloy of iron and about 1.7 to 4.5 percent carbon is called ____.

a)

Cast iron

b)

Pig iron

c)

Wrought iron

d)

Steel

27.

This is considered the purest iron, with at least 99.5 to 99.9% iron composition.

a)

Cast iron

b)

Pig iron

c)

Wrought iron

d)

Steel

28.

An alloy of iron and carbon whose C should not exceed its 1.5% limit.

a)

Cast iron

b)

Pig iron

c)

Wrought iron

d)

Steel

29.

A type of steel, when correctly heat treated and finished, resists oxidation and corrosive attack from most corrosive media.

a)

Alloy Steel

b)

Free Cutting Steel

c)

Heat Resisting Steel

d)

Stainless Steel

30.

A widely used non-ferrous metal typically found in electric cables and wires for electric machinery and appliances.

a)

Stainless Steel

b)

Copper

c)

Aluminum

d)

Gun Metal

31.

A material that is so soft and typically used in making solders, as lining for acid tanks, cisterns, water pipes, and as coating for electrical cables.

a)

Zinc

b)

Copper

c)

Lead

d)

Tin

32.

A/An ____ is an ordered array of points describing the arrangement of particles that form a crystal.

a)

Unit Cell

b)

Crystal Lattice

c)

Atomic Bonding

d)

Particle Arrangement

33.

The space left unoccupied by atom/particle in a simple cubic unit cell is about ____.

a)

52%

b)

68%

c)

48%

d)

32%

34.

The crystal is made up of covalently bonded atoms, it can be described as ______ lattice.

a)

Ionic

b)

Covalent

c)

Metallic

d)

Atomic

35.

It is the number of nearest neighbors in a lattice.

a)

No. of Atoms/Particles

b)

Cell

c)

Coordination Number

d)

Closest Neighbor

36.

It is the fraction of volume occupied by atoms in a cell.

a)

APF

b)

Density

c)

Edge Length

d)

None of these

37.

These are materials generally made from long, repeating chains of molecules.

a)

Ceramics

b)

Metals

c)

Polymers

d)

Plastics

38.

Substances with two or more components mixed with metal.

a)

Steel

b)

Alloy

c)

Polymer

d)

Rubber

39.

It is used to determine the hardness of a material by measuring the depth of penetration of an indenter on the material being tested.

a)

Brinell Test

b)

Knoop Test

c)

Rockwell Hardness Test

d)

Vicker's Test

40.

Which of the following must be present for rusting to take place?

a)

Water

b)

Iron

c)

Oxygen

d)

All of these