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WorksheetsCivil war Day 4(Sep 18)-LSGD
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
Polished terracotta is also known as .....
a)
Porcelain
b)
Tile
c)
Stoneware
d)
Faience
2.
The process in which a thin protective coating is applied on the surface an item by burning at high temperature
a)
Screeding
b)
Glazing
c)
Plastering
d)
Varnishing
3.
Percentage of clay in cermet
a)
20%
b)
60%
c)
80%
d)
40%
4.
Tiles are burnt in
a)
Muffle furnace
b)
Rotary kiln
c)
Sialkot kiln
d)
None
5.
A refractory material containing a combination of clay and metal
a)
Refractories
b)
Earthenware
c)
Faience
d)
Cermet
6.
When percentage of mica present in sand is high
a)
increase the strength of mortar
b)
decrease the strength of mortar
c)
no effect on mortar
d)
Slightly enhance the properties of mortar
7.
Bulking of sand is caused due to
a)
surface moisture
b)
air voids
c)
viscosity
d)
clay content
8.
Aggregate used for making sound absorbing mortar is
a)
Pumice
b)
Cinders
c)
Quartz
d)
Both a and b
9.
Sand passing through a screen with clear openings of 3.175 mm is known as
a)
Fine aggregate
b)
Fine sand
c)
Coarse sand
d)
Gravelly sand
10.
Lime cement mortar is also known as
a)
Gauged mortar
b)
Compo mortar
c)
Both A and B
d)
None of these
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