Composite Materials

Which of the following is not the application of fiber glass?

• Helmet

• Video camera

• Car bumper

Material P is light and used to transmit data, voices and images effectively in a digital format.

What is material P?

• Superconductor

• Fiber optic

• Photochromic glass

• Fiber glass

Below shows a mixture of materials in compound X.

- Oxygen

- Barium carbonate

- Copper(II) carbonate

- Yttrium(II) carbonate

What is compound X?

• Superconductor

• Fiber optic

• Photochromic glass

• Fiber glass

The tensile strength of a reinforced concrete is contributed by

• sand

• steel rods

• granite stone

• cement

Diagram shows the National Monument in Malaysia. What is the material used to build this monument that make it stands for years without corrosion?

• cement

• bronze

• reinforced concrete

• stainless steel

Which of the following is an example of a natural composite material?

• Bone

• Starch

• Protein

• Cellulose

Which of the following are the major constituents of reinforced concrete?

• Cement

• Steel

• Sand

• Stainless Steel

A body of a water tank needs to be made from material with the following properties:

Rust proof, low density, impermeable to liquid, high tensile strength, chemically inert.

Which of the following material is the most suitable for making a water tank?

• Alloy

• Ceramic

• Fibreglass

• Reinforced concrete

Which substance can be added to glass to make it become a composite material that will change colour when the intensity of light changes?

• Lead(II) chloride

• Silver chloride

• Sodium chloride

• Tin chloride

An engineer requires a material with the following properties to make a product.

- High tensile strength

- Inert to chemicals

- Low density

Which of the following materials is the most suitable to make the product?

• Alloy

• Ceramic

• Fibreglass

• Reinforced concrete