A nano meter is

• One billionth of a meter

• One millionth of a meter

• One thousandth of a meter

• One hundredth of a meter

DWR is a specialist coating for...

• Fabric

• Glass

• Car paint

• Bath tubs

Ceramic is a specialist coating often used for...

• Fabric

• Glass

• Car paint

• Bath tubs

Silica / silicon dioxide is a specialist coating often used for...

• Fabric

• Glass

• Car paint

• Bath tubs

When a surface coating causes a water repellant finish it is said to be....

• Hydrophobic

• Hydrophilic

When a surface coating causes a water absorption it is said to be....

• Hydrophobic

• Hydrophilic

• Hydromatic

• Hydrosorbic

Which of these are advantages of ceramic coating of car paintwork?

• Shine

• Easy to clean

• Changes colour

Silica Coating of glass has the following advantages?

• Easier to clean

• Safer driving in wet weather

• Tints glass for sun shading

Nanotechnology can be used to water proof mobile phones.

• True

• False

Which sector would develop nanotechnology coating?

• Chemical

• Automotive

• Electronic / Electrical

• Biomedical