20
15
5
0
D. 0
Are non-magnetic
Possess high electrical resistance
Possess low coefficient of expansion
All the above
Low-molecular substances are removed from the high molecular substance
The reaction proceeds with an evolution of ammonia
The reaction proceeds with an evolution of hydrogen chloride
All of the above
75 kg/cm2
90 kg/cm2
100 kg/cm2
120 kg/cm2
Styrene resin is produced from ethylene which is made from petroleum
Styrene resin is light in weight
Styrene resin transmits ultraviolet waves of light
All the above
0.40
0.50
0.60
None of these
50 %
40 %
30 %
25 %
Silica bricks
Coke oven
Lining for glass furnaces
All of these
Damp proof course
Water proof layer
Partition walls
Both (A) and (B)
Sedimentary rocks
Igneous rocks
Metamorphic rocks
None of these
Clamp
Bull's kiln
Hoffman's kiln
None of these
Grey cast iron
White cast iron
Mottled cast iron
Toughed cast iron
H₂S and CO₂
CaSO4 and H₂O
Lime and H₂O
CO₂ and calcium
Structural works in beams
Small sized water pipes
Columns and struts
None to these
Possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness
Are generally unaffected by most household detergents
Possess the light transmission rate of 93%
All the above
Laterite
Marble
Limestone
All the above
0.70 P
0.75 P
0.80 P
0.85 P
Cast iron
Wrought iron
Steel
All the above
Tremolite asbestos
Chrysotile asbestos
Amosite asbestos
None of these
Emulsion paints
Plastic paints
Bituminous paints
Cellulose paints
Wall foundations
Flooring at ground level
Both (A) and (B)
Neither (A) nor (B)
Sulphur
Carbon
Phosphorus
Silicon
Petroleum
Spirit
Coal tar
Turpentine
50 mm
70.6 mm
100 mm
150 mm
In stone arches, the stones are placed with their natural beds radial
In cornices, the stones are placed with their natural beds as vertical
In stone walls, the stones are placed with their natural beds as horizontal
All the above
Is an excellent insulator for heat and electricity
Is fire-proof and acid proof
Has sp. gravity equal to 3.10
All the above
Slate
Plank
Board
Strip
Decreases
Increases
Remains same
May increase or decrease
Clay
Feldspar
Quartz
All of these
Carbon
Silicon
Phosphorus and manganese
All the above
15% of cobalt
20% of cobalt
35% of cobalt
45% of cobalt