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WorksheetsCivil war-Day 42-PWD-Stone masonry
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
Which masonry is used while providing pitching on bridge approaches?
a)
Random rubble masonry
b)
Flint rubble masonry
c)
Dry rubble masonry
d)
Coursed rubble masonry
2.
Line and pin is used to
a)
To check horizontality of the work
b)
To maintain the alignment
c)
To set right angle
d)
To split stone
3.
Safe permissible load of coursed rubble masonry using granite in cement mortar is
a)
863 kN/m²
b)
836 kN/m²
c)
2158 kN/m²
d)
2185 kN/m²
4.
In ashlar fine masonry the joint thickness shall not exceed
a)
3 mm
b)
6 mm
c)
12 mm
d)
16 mm
5.
Drip stone is a
a)
Horizontal stone provided at the top of the opening
b)
Stone placed at regular interval right across the wall
c)
Projecting course from an arch or window head
d)
A horizontal course provided at suitable level between plinth and the cornice
6.
In arches, stones are placed with their natural bed
a)
Vertical
b)
Horizontal
c)
Radial
d)
None of these
7.
In Random rubble masonry sort I, face stones are
a)
Chisel dressed
b)
Hammer dressed
c)
Axe dressed
d)
Plain dressed
8.
String course is
a)
Horizontal course provided to strengthen a wall of irregular small stones
b)
Horizontal course provided at suitable level between plinth and cornice
c)
Stones at regular interval placed right across the wall
d)
All of these
9.
In this type of rubble masonry the stones are not dressed, but they are used as available from the quarry except knocking out some corners
a)
Random rubble masonry
b)
Dry rubble masonry
c)
Coursed rubble masonry
d)
Uncoursed rubble masonry
10.
Spalling hammer is used for
a)
driving wooden headed chisel
b)
rough dressing of stones
c)
carving of stones
d)
breaking small projections of stone
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