Background Surface Preparation Quiz

What is the importance of forming a key and using bonding agents to background surfaces?

• It enhances the aesthetic appeal of the surface.

• It ensures a strong adhesion between layers.

• It reduces the cost of materials.

• It speeds up the drying process.

What should be provided to background surfaces according to the assessment criteria?

• Paint and varnish

• Key and bonding agents

• Insulation and padding

• Sealant and primer

What does forming a key mean in plastering?

• Creating a smooth surface for decoration

• Creating a rough surface to improve adhesion

• Painting the wall for aesthetic purposes

• Removing old plaster from the wall

Why is forming a key important in plastering?

• It enhances the color of the plaster

• It prevents the plaster from falling off the wall

• It makes the wall waterproof

• It reduces the cost of plastering

What is a skutch hammer used for?

• To apply a key to smooth background such as dense concrete

• To paint walls

• To measure angles

• To cut wood

What voltage is mentioned for the mechanical stripping tool attachments?

• 110V

• 220V

• 50V

• 12V

What does the process of "raking out joints" involve in plastering?

• Filling the mortar joint with plaster

• Cutting out a recess in the brickwork mortar joint

• Painting over the brickwork

• Adding extra bricks to the wall

What tool can be used by hand for raking out joints?

• Pick hammer

• Screwdriver

• Paintbrush

• Chisel

What is an alternative to using a pick hammer for raking out joints?

• Hand-held 110v grinder

• Electric drill

• Sandpaper

• Paint roller

What is the purpose of a spatterdash/slurry/stipple coat in plastering?

• To decorate the wall

• To form a key for bonding

• To waterproof the wall

• To insulate the wall