1587292
Beschreibung
Quiz von Steve Lockwood, aktualisiert more than 1 year ago
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Erstellt von Steve Lockwood
vor etwa 10 Jahre
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Frage 1
Frage
1. How much mixed material is needed to complete a floor screed 5.000 m long by 4.000 m wide
and 0.050 m thick?
Antworten
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0.25 m3
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0.5 m3
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1 m3
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1.5 m3
Frage 2
Frage
2. Tools and equipment for floor screeding will generally include:
Antworten
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sweeping brush, trowel, float, mixer, shovel
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splash brush, small tool, gauger, trowel, float
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spirit level, trowel, buckets, mixer, float
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levelling equipment, trowel, float, shovel buckets, mixer
Frage 3
Frage
Plastic sheeting below the structural floor is the:
Antworten
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damp proof membrane
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vapour barrier
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moisture trap
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aid to curing the floor
Frage 4
Frage
The type of cement used in floor screeds is:
Antworten
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Masonry Portland
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Extra Portland
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Rapid Portland
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Ordinary Portland
Frage 5
Frage
Sands used for floor screeding:
Antworten
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should contain a high proportion of fine grains
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should contain a high proportion of large grains
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can be any type
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should be sharp and well graded
Frage 6
Frage
Ready-mixed screeds are:
Antworten
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prepared off site and delivered as required
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prepared after work for the following day
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prepared in the morning for use during the day
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used only for self-levelling floors
Frage 7
Frage
Screed rails or battens are used to:
Antworten
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help delivery of screed material to the workstation
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assist in forming the main area of floor
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tamp down the surface of the screed
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form channels for drainage
Frage 8
Frage
The purpose of a damp proof membrane is to:
Antworten
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assist the passage of moisture
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assist in the curing process
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allow the screed to dry out quickly
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prevent the passage of moisture
Frage 9
Frage
Cracking of large area floors may be reduced by:
Antworten
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use of more cement
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use of expansion strips
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adding more sand
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a self-levelling compound
Frage 10
Frage
Battens used as a guide for screeds may be:
Antworten
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set out from datum lines
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laid at 50 mm depth
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set out from base floor
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laid to form 75 mm depth
Frage 11
Frage
The most accurate proportioning of floor screeding materials:
Antworten
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is by weight
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is important near heavily trafficked areas
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can be carried out using shovels
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can be carried out using buckets
Frage 12
Frage
The correct consistency for floor screeding materials is:
Antworten
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as dry as possible
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slurry like
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semi wet
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semi dry
Frage 13
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Mixing of screed material:
Antworten
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does not have to be thorough as it will be spread by shovel
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needs to be consistent or wear will take place
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should be carried out as slowly as possible
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can take place after water has been added
Frage 14
Frage
Compacting screeds results in a:
Antworten
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lightweight screed
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quicker set screed
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more dense screed
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slower set screed
Frage 15
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Compacting can be carried out with a:
Antworten
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screed rail
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datum
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rule or float
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level
Frage 16
Frage
High volumes of ventilation:
Antworten
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will aid the setting process
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will not affect the screeds after laying
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will allow the cement to harden quickly
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may make the surface of the screed dusty
Frage 17
Frage
The finish on a floor screed:
Antworten
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is not important as it will all be covered up
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is important as it may show through the final covering
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can be completed the next day
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can be completed by the floor layer with the finish
Frage 18
Frage
Laying polythene sheet on the floor screed after laying will:
Antworten
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act as an accelerator to the set
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produce an even surface
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allow the cement to set naturally
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keep the floor soft for the next process
Frage 19
Frage
The purpose of curing is to:
Antworten
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allow the cement to set and harden over a long period
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produce an even surface
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produce a lightweight screed
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aid compaction to take place
Frage 20
Frage
Where drainage outlets are fitted:
Antworten
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the floor must be laid from this point
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they can be repositioned later
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the floor can be altered to fit when finish is applied
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the drainage contractor will alter them to suit
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