WorksheetsOcc 71 Construct Thin Joint Masonry
Total questions: 30
Worksheet time: 30mins
Name
Class
Date
1.
How big should the joints be in thin joint construction?
a)
1-2mm
b)
2-3mm
c)
3-4mm
d)
4-5mm
2.
In good weather how long will the mix stay workable on your spot board?
a)
10 minutes
b)
20 minutes
c)
30 minutes
d)
1 Hour
3.
Around openings, how far should the reinforcement extend on each side?
a)
200mm
b)
300mm
c)
600mm
d)
1.2m
4.
How far apart should blocks be placed?
a)
1mm
b)
3mm
c)
6mm
d)
10mm
5.
Which tool trims raised areas of the blocks?
a)
Block rasp/planer
b)
Sand paper
c)
Fibreglass block
d)
Petrol cut off saw
6.
What are Thin Joints good for
a)
Waterproof Walls
b)
Good Light Reflection
c)
Keep vermin out
d)
Good Sound Insulation
7.
What tools are use specifically for Thin Joint work?
a)
Scoop
b)
Sledge
c)
Scoop and Sledge
d)
Trowel and scoop
8.
Identify the tool used to mix the joint compound
a)
Bell mixer
b)
Whisk
c)
Bucket trowel
d)
Finger trowel
9.
What type of block is used for thin joint walling?
a)
Concrete
b)
Thermalite
c)
Cinder
d)
Stone
10.
How are cavity ties put in to place?
a)
traditional way
b)
drilled into place
c)
glued
d)
Taped
11.
What is the best way of cutting blocks by hand?
a)
Lump hammer and bolster
b)
Masonry/block saw
c)
Brick hammer
d)
Guillotine
12.
What is a Scoop?
a)
Lay mortar with
b)
Cone mortar
c)
Jointing tool
d)
Mix mortar with
13.
Can thin joint mortar be used in conjunction with ordinary brickwork construction?
a)
No
b)
Yes
c)
On returns
d)
Sometimes
14.
Should a damp proof membrane be incorporated into the base course joint?
a)
No
b)
Yes
c)
On returns
d)
Sometimes
15.
Which of these statements apply to thin joint blockwork?
a)
Quicker to build, doesn't need a tradesperson
b)
Increases thermal properties of a wall, improves the look
c)
Doesn't need a tradesperson, cheaper to build
d)
Quicker to build, increases thermal properties
16.
When mixing mortar for thin joint blocks, you would use a:
a)
Belle mixer
b)
Tilting drum mixer
c)
Paddle mixer
d)
Powered whisk
17.
The recommended tool to position blocks on thin joint beds is a
a)
Lump hammer
b)
Brick hammer
c)
Brick trowel
d)
Rubber mallet
18.
Setting time for thin joint blockwork mortars is
a)
1-2 hours
b)
6-8 hours
c)
12 hours
d)
24 hours
19.
The maximum distance a wall tie should be placed away from a vertical movement joint is:
a)
75mm
b)
225mm
c)
450mm
d)
600mm
20.
To ensure accuracy, the base course of thin joint blockwork should be bedded in what?
a)
Thin joint mortar
b)
General purpose mortar
c)
Sand lime
d)
Concrete
21.
What is the purpose of a weep hole?
a)
What is the purpose of a weep hole?
b)
To ventilate the roof space
c)
To allow moisture to escape from the cavity
d)
To insulate the building
22.
What can be used instead of building quoins?
a)
Profiles
b)
Cavity closers
c)
DPC
d)
Builders square
23.
What is a common hazard when mixing mortar?
a)
Falling materials
b)
Mortar splashes
c)
Moving plant
d)
Work at height
24.
What is the purpose of a movement joint?
a)
To allow for expansion
b)
To insulate the building
c)
To prevent movement
d)
To increase the U-value
25.
What is thin joint mortar made from?
a)
Building sand and cement
b)
Grit sand and cement
c)
Silica sand and cement
d)
Casting sand and cement
26.
Identify this wall tie
a)
Butterfly tie
b)
100mm cavity tie
c)
Twist tie
d)
Wall tie
27.
Identify this tool.
a)
Block rasp
b)
Scoop
c)
Sledge
d)
Trowel
28.
Identify this tool.
a)
Block rasp
b)
Scoop
c)
Sledge
d)
Finger trowel
29.
Identify this tool.
a)
Block rasp
b)
Scoop
c)
Sledge
d)
Finger trowel
30.
Identify this tie.
a)
Twist tie
b)
Butterfly tie
c)
Movement tie
d)
Cavity wall tie
100 %
