Which of the following is a primary atomic bonding type?

• Ionic bonding

• Mixed bonding

• Dipole bonds

• Van der Waals forces

Which property is NOT typically considered a mechanical property?

• Fracture toughness

• Thermal conductivity

• Yield strength

• Tensile strength

What is the term for materials that do not have a crystalline structure?

• Polycrystalline

• Amorphous

• Allotropic

• Polymorphic

Which of the following is a type of secondary bonding?

• Covalent bonding

• Ionic bonding

• Metallic bonding

• Van der Waals forces

Which property is crucial for understanding a material's behaviour under thermal stress?

• Density

• Coefficient of thermal expansion

• Electrical resistivity

• Poisson’s ratio

Which of the following materials is known for having a high melting point?

• Tungsten

• Gold

• Lead

• Silver

What is the term for the ability of a material to return to its original shape after deformation?

• Plasticity

• Hardness

• Elasticity

• Viscosity

Which of the following is a characteristic of non-ferrous metals?

• High carbon content

• Corrosion resistance

• High density

• Magnetic properties

Brass is an alloy of:

• Copper

• Nickel

• Iron

• Tin

Sort the materials in their right type of Engineering Materials.

Groups:

(a) Metals

,

(b) Ceramics

,

(c) Polymers

,

(d) Composites

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