WorksheetsCSA –L10cc16
Total questions: 17
Worksheet time: 9mins
Which of the following combo of potential hazards is associated with back ground prep?
Dusts, falls and cuts
Asphyxiation, dust and falls
Asphyxiation, falls and cuts
Electrocution, Asphyxiation and cuts
Which tool(s) would be used to remove existing plaster by machine?
Power Scraper
Bolster and lump hammer
Screw gun
Hammer and chisel
3 Blockwork wall is to be plastered. It is not clear what type of block it is. How is it possible to identify whether it is a high, medium or low suction background?
Run a hand over the surface of the background
Scratch the surface of the blockwork
Splash some water on the background
Gently tap on the blockwork with a hammer
It is important that the background has a sufficient key to help the plaster?
Set
Bond to it
Spread easier
Dry
The plaster is applied to a background as quickly as it is applied it is drying and crazing. Yet the material in the bucket is still wet. What could be causing this?
Insufficient key
Uncontrolled suction
Faulty material
Too little suction
A bonding agent is used to:
increase adhesion between surfaces
reduce surface tension
act as a cleaning agent
provide insulation
Which of the following tools can be used to clean down a background surface?
1 only
1 and 2
1, 2 and 3
1, 2 and 4
What is the main hazard when mixing Plaster?
Trips
Dust
Electrocution
Slips
What is plasticiser used for when mixing a render coat?
Prevent cracking in the render
Slow down the setting time
Speed up the setting time
Improve the workability of the render
Once work has been completed. How could damage to completed work and surrounding area be avoided?
Cordoned off area
Leave tools scattered around
Ignore the area after completion
Allow unrestricted access
When using a mixing drill for the first time, which info would detail the correct use?
Manufacturers brochure
Programme of works
Safety data sheet
Specifications
Which of the following is the most necessary requirement of a mixing area?
Small room away from other trades
Clear of debris and out the way of other trades
Clear of debris, open and well ventilated
Near a power point
What would the effect of over mixing the plaster when using a mechanical mixer?
Affect the setting time
Increase the chance of delamination
Increase the chance of hairline cracks
Affect the finish of the plaster
An existing wall needs re-plastering as the plaster is loose. Including mandatory P.P.E, which of the following combo of P.P.E would be required while knocking off the plaster?
Overalls, gauntlets, ear plugs and dust mask
Ear plugs, dust mask, gauntlets and goggles
Overalls, gloves and ear plugs
List the safety equipment mentioned in the worksheet.
Googles, gloves, dust mask and ear plugs
Helmet, safety shoes, raincoat and torch
Apron, safety boots, helmet and face shield
Lab coat, safety shoes, helmet and respirator
Why would a dubbing out coat be used when plastering?
To provide a key
To straighten uneven surfaces
Kill the suction
Make the plaster easier to use
Why is it important to keep a clean work area?
The site supervisor requires it
Prevent damage to work
Prevent damage to tools
Prevent accidents
