Material Sciences MCQs
Material Sciences MCQs
These Material Sciences multiple-choice questions and their answers will help you strengthen your grip on the subject of Material Sciences. You can prepare for an upcoming exam or job interview with these Material Sciences MCQs.
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1: Tempering is usually performed after what?
A. Annealing
B. Hardening
C. Buckling
D. Tempering
E. Quenching
2: What is the process of heat treating used to increase the toughness of iron-based alloys?
A. Grinding
B. Annealing
C. Harden
D. Hardening
E. Tempering
3: What type of process would be used to form the metal if the temperature of the metal is at or below the recrystallization temperature?
A. Shear Strip
B. Hot Rolling
C. Extrusion
D. Cold Rolling
E. Shearing
4: What is the critical temperature for annealing?
A. Below
B. Equal to the melting temperature
C. Above
D. Between
5: What is an example of an alteration that occurs during annealing?
A. Tetragonality
B. Ductility
C. Hardness
D. Melting
E. Hardening
6: What are alloys made up of?
A. Metals and nonmetals
B. Alloys with other elements
C. Nonmetals
D. Metals with other elements
E. A metal with other elements
7: How are alloy mixtures made?
A. By various routes
B. By combining different alloys
C. By pouring molten metals into each other
D. By melting and casting
E. By melting different metals together
8: What does UNS stand for?
A. Unemployed number
B. United Nations System
C. Unified numbering system
D. United Nations Security Council
E. United States of America
9: What is the UNS an alloy designation system widely accepted in?
A. United Kingdom
B. Europe
C. North America
D. European Union
E. South America
10: What type of alloy does "S" stand for?
A. Silver
B. Copper
C. Silver plated
D. Stainless steel alloys
11: What may be the last two digits in UNS?
A. 1
B. 10
C. Variations
D. Segments
E. Symbols
12: What is ASTM's previous name?
A. American Society for Testing and Materials
B. American Society for Testing and Materials, Inc.
C. American Institute of Steel Construction
D. American Society for Testing and Materials, ASTM International
13: What is ASTM's focus?
A. Voluntary consensus technical standards
B. Advocating for the welfare of industry
C. Ensuring public safety
D. Determining the properties of materials
14: What are the different measurements of hardness?
A. Scratch hardness, indentation hardness, and rebound hardness
B. Brittle fracture, permanent deformation, and shear modulus
C. Brittle fracture toughness, ductility, and shear strength
D. Hammering hardness, felt hardness, and Vickers hardness
E. Hardness measures on the Mohs scale
15: What is the third property of a material that can be measured?
A. Resistance to compression
B. Density
C. Hardness
D. Temperature
16: What type of hardness is not measured by the ASTM?
A. Vickers hardness
B. Brittle hardness
C. Scratch hardness
17: What is the main use of tantalum?
A. Camera Lens
B. Telephone Wire
C. Audio amplifier
D. Tantalum Capacitor
18: What does the insulating oxide layer form?
A. Electrode
B. Dielectric
C. Thermionic
D. Magnetic
E. Cathode
19: What is a phenomenon of exactly zero electrical resistance?
A. Superconductivity
B. Electromagnetism
C. Magnetism
20: What can a crucible withstand?
A. Strong acid
B. A lot of heat
C. Extremely hot temperatures
D. Sturdy base
E. Extremely high pressures
21: What is a crucible used for?
A. Metal, glass, and pigment production
B. Glass production
C. A furnace used to heat materials
D. Pottery production
E. Making porcelain
22: What type of strength measures the force required to pull something to the point where it breaks?
A. Breaking Strength
B. Brittle Strength
C. Tensile Strength
D. Shear Strength
23: What is an internal ridge or rim?
A. Cover
B. Shear plane
C. Flange
D. Rib
E. Shear wall
24: What is a typical example of a refractory metal?
A. Carbon
B. Tungsten
C. Silicon
D. Nickel
E. Cobalt
25: What group of elements are referred to as Transition Metal?
A. Groups 13 to 18
B. Groups 3 to 12
C. Transition Metal Groups 19 to 26
D. Groups 1 to 12
E. Transition Metal Groups 13 to 18
26: Along with complex ions, what do cyclic molecules form?
A. Simple molecules
B. Amorphous solids
C. Polymers
D. Stable complex ions
27: What is the definition of yield strength?
A. The stress at which a material break
B. The stress at which a material begins to deform plastically
C. The breaking strength of a material
D. The tensile strength of a material
E. The resistance of a material to stretching
28: What is the term for a point in a material that it will be permanently deformed?
A. Shear strength
B. Fracture
C. Yield strength
D. Modulus of elasticity
E. Hardness
29: Once the yield point is passed, what will be permanent and non-reversible?
A. Melting
B. Deformation
C. Temperature
D. Pressure
E. Fracture
30: What are the three factors that affect elongation?
A. Hardness, tensile strength, and modulus
B. Temperature, concentration, and time
C. Temperature, humidity, and stress
D. Temperature, concentration, and stress
31: What is the increase in length of a rubber specimen because of tensile force being applied to the specimen?
A. Shear
B. Elongation
C. Bending
D. Width
E. Thickness
32: What does HSLA stand for?
A. Health and Safety league
B. High-strength low-alloy
C. Health and Safety at a local authority
D. Head start for all
E. Help Wanted
33: What are LSLA steels available in?
A. All standard wrought forms
B. Cold work, heat treated, and tempered
C. Carbon steels
D. Hardened and tempered steels
E. High carbon, low alloy, and stainless
34: What are all the forms that HSLA steels can be used in?
A. Plate forms
B. Sheet forms
C. Wrought forms
D. Cast forms
E. Die-cast forms
35: What can HSLA alloys be used for?
A. Transportation-equipment components
B. Solar panels
C. Electrical components
D. Machinery parts
E. Weapon parts
36: What is the amount of energy needed to get a reaction started?
A. Activation energy
B. Amount of reactants
C. Frequency
D. Kinetic energy
37: What is the term for the ability of a substance to exist in more than one phase in the liquid state?
A. Polarity
B. Phase rule
C. Polymorphism
D. Allotropy
38: What is a mixture made up of two or more metals?
A. Ingot
B. Alloy
C. Compound
D. Metal
39: What type of steel contains carbon and other metals?
A. Carbon steel
B. Plate steel
C. Cold-rolled steel
D. Alloy steel
40: What type of polymer is an alternating sequence of monomers?
A. Polymer network
B. Alternating copolymer
C. Polyamide
D. Copolymer
41: What type of ion is an anion?
A. Neutral
B. Negatively charged
C. Positively charged
42: What property does the typical rock exhibit?
A. Texture
B. Heat Capacity
C. Magnetism
D. Anisotropy
43: What is the purpose of annealing?
A. To reduce the temperature of a metal or alloy
B. To soften a metal or alloy
C. To make a metal easier to work with
D. To remove impurities
44: What is a property of antiferromagnets?
A. Non-parallel spins
B. Alignment of magnetic dipoles
C. Magnets can only point in one direction
D. Magnetization reversal
45: What is the atomic mass unit used to measure?
A. The mass of particles in atoms
B. The distance between the nuclei in an atom
C. The mass of a proton
D. The mass of an electron
46: What is the atomic number of a nucleus of an element?
A. Number of neutrons
B. Number of protons
C. Number of electrons
47: What is the name of the property that expresses the number of atomic units in a selected unit cell?
A. Atomic packing factor
B. Atomic number
C. Atomic weight
48: What is the name of the structure formed when iron is between 912 ° and 1,394 °C?
A. Martensite
B. Cristobalite
C. Ferrite
D. Austenite
49: What does an austenite have as a structure?
A. Face-centred cubic
B. Packed structure
C. Body-centred cubic
D. Face-centred tetragonal
50: What is the name of the phase formed by quenching steel?
A. Martensite
B. Austenite
C. Phosphor bronze
D. Bainite
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