Plasters

Which of the following is NOT the suitable feature of material designed for plaster?

• Durable

• Flat

• Smooth

• Hard

What is the correct term use to describe the illustration shown below?

• Plastering

• Screeding

• Brushing

• Sweeping

Which component of the building is 'plastering' applied to as their finishes?

• Internal wall and ceilings

• External wall and ceilings

• Internal floor and ceilings

• External floor and ceilings

What is the type of plaster that has become the most important binder in the last 40 years?

• Lime

• Sand

• Gypsum

• Cement

The following are the advantages of using gypsum plaster except for?

• Their setting time can be controlled

• Suitable for exterior uses only

• Excellent fire resistance

• Suitable for interior uses only

Why do you think gypsum plaster is NOT suitable for exterior use?

• Gypsum is slightly soluble in water

• Gypsum is a non soluble substance in water

• Gypsum will react with acid rain

• Gypsum will disintegrate when expose to direct sunlight