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WorksheetsSET 1: REVISION FOR FE MATERIAL SCIENCE & ENGINEERING
Total questions: 15
Worksheet time: 8mins
Which of the following is NOT one of the three main classifications of materials?
Metals
Polymers
Composites
Ceramics
What type of primary atomic bonding involves the sharing of valence electrons between atoms, as seen in a CO2 molecule?
Ionic bonding
Covalent bonding
Metallic bonding
Van der Waals bonding
How many atoms are effectively contained within one unit cell of a Face-Centered Cubic (FCC) crystal structure?
1
2
4
8
Pure iron at room temperature exists in which crystal structure?
Face-Centered Cubic (FCC)
Body-Centered Cubic (BCC)
Simple Cubic (SC)
Hexagonal Close-Packed (HCP)
A material that can undergo substantial plastic deformation before fracture is described as having high:
Brittleness
Hardness
Ductility
Toughness
The time-dependent permanent deformation of a material under a constant load at elevated temperatures is known as:
Fatigue
Creep
Plasticity
Elasticity
Which type of failure occurs under repeated or cyclic stress, often at a stress level below the material's yield strength?
Creep
Impact
Fatigue
Thermal shock
An alloy where the solute atoms are significantly smaller than the solvent atoms and fit into the spaces between them is called a:
Substitutional Solid Solution
Interstitial Solid Solution
Compound
Pearlite
Ferrous alloys are primarily composed of which element?
Aluminum
Copper
Iron
Nickel
Which of the following is an example of a non-ferrous alloy?
Cast Iron
Carbon Steel
Stainless Steel
Brass
The process in Powder Metallurgy where the "green part" is heated below its melting point to bond the powder particles is called:
Mixing
Compaction
Sintering
Extrusion
A uniform attack type of corrosion is characterized by:
Highly localized attack near a joint.
Corrosion occurring over the entire exposed surface at a nearly equal rate.
Attack concentrated at the grain boundaries.
Tiny holes forming on the surface.
The corrosion prevention method that involves applying a more electrochemically active metal (e.g., Zinc) to protect the base metal (e.g., Steel) is:
Coating
Inhibitor
Design
Cathodic Protection
Which non-destructive testing (NDT) method is best suited for detecting surface defects on a component using a colored liquid that seeps into the flaw?
Ultrasonic Testing (UT)
Magnetic Particle Inspection (MPI)
Liquid Penetrant Testing (LPT)
Radiographic Testing (RT)
What is the main objective of conducting a Charpy or Izod impact test?
To measure tensile strength
To measure resistance to failure from a sudden impact force
To determine surface hardness
To analyze the stress-strain curve
