L2 Construct Cavity Walling Forming Masonry Structures

Shiny white crystals developing on the face of a brick wall are most likely to be what?

• Frost attack
• Efflorescence
• Iron staining
• Lime leaching

What is the point on site from which all datum levels are taken?

• Temporary bench mark
• Plumb line
• Profile
• Temporary level mark

Which tool would be used to accurately trim a cut brick? 

• Cold chisel
• Club hammer 
• Brick hammer
• Scutch/comb hammer

What would be used to accurately measure quantities of sand and cement for a mortar mix?  

• Gauge box
• Large shovel
• Scoop
• Trowel

Using standard brick gauge of 75mm, how many courses of brick would there be in a cavity wall 1575mm high?

• 18

• 20

• 21

• 23

What are timber profile boards used to show when setting out? 

• The required pitch of the roof
• The position of foundations and walls
• The fall of drains to the main drainage
• Levels for door heads and window sills

Bricks and blocks should be protected by covering them with what?

• Plastic sacks
• Polythene and hessian
• Scaffold boards
• Hardboard

The horizontal lines of a structure represented in isometric projection are drawn at
what angle?

• 30°
• 60°
• 45°
• 40°

A drawing which shows a slice through a structure to reveal hidden details is a what? 

• Plan
• Section
• Plot
• Sector

If a concrete strip foundation is used in a situation where it needs to be strengthened with steel, what do we call it?  

• Realigned
• Reinforced
• Rearranged
• Repositioned