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WorksheetsCivil war Day 14 Oct 8 LSGD plastering and pointing
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
A type of defect which forms a conical hole on the plastered surface is termed as
a)
Peeling
b)
Blistering
c)
Popping
d)
Blooming
2.
Product of high grade gypsum which sets rapidly and produces excellent finish
a)
Thistle hardwall
b)
Snowcrete and colourcrete cements
c)
Sirapite plaster
d)
Scagliola plaster
3.
------ are used to press mortar and spread it uniformly
a)
Trowel
b)
Aluminium rod
c)
Floats
d)
Brush
4.
When pearl ash is calcined with Plaster of Paris, ______ is obtained.
a)
Kenee's cement plaster
b)
Martin's cement plaster
c)
Parian cement plaster
d)
None of these
5.
The lath in plastering is used to prevent the
a)
Cracks in the plastered surface
b)
Swelling of the plastered surface
c)
Depressions in the plastered surface
d)
Projections in the plastered surface
6.
_______________ surface is prepared when it is desired to give acoustical treatment to the hall or room.
a)
Acoustic Plaster
b)
Marble plaster
c)
Barium plaster
d)
Gypsum plaster
7.
In plastering, the 1st coat is called ___________ and its thickness should be _______ mm
a)
Rendering coat, 6-9
b)
Floating coat, 6-9
c)
Floating coat, 10-15
d)
Rendering coat,10-15
8.
Before plastering, the surface has to be
a)
Rough
b)
Smooth
c)
Cemented
d)
Heated
9.
Thickness of load bearing walls in any case is not less than
a)
200 mm
b)
150 mm
c)
100 mm
d)
250 mm
10.
In a lime-cement plaster, ratio 1:1:6 corresponds to:
a)
Lime:cement:sand
b)
Cement:Lime:sand
c)
Lime:sand:gravel
d)
Cement:sand:gravel
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