Pick up the correct statement from the following:
Bull's trench kiln a trench excavated in ground
Hoffman's kiln is constructed over ground
Tunnel Kiln is constructed as a tunnel
All the above
Correct Answer :
D. All the above
Related Questions
Upto a maximum of 72% of iron, is available in
Magnetite
Limonite
Siderite
Iron pyrites
Turpentine oil is used in paints as
Thinner
Vehicle
Base
Drier
The most important constituent of an oil paint, is
Thinner
Vehicle
Pigment
All the above
Asphalt is obtained from
Petroleum distillation
Bitumen distillation
Plastic distillation
None of these
Cast iron is used for
Structural works in beams
Small sized water pipes
Columns and struts
None to these
Cross cut saw is used for
Cutting soft stones
Cutting hard stones
Cutting large blocks of stones
Dressing stones
The plastics prepared from Vinyl resin are
Odourless
Non-toxic
Transparent
All of these
The main constituent of fly-ash, is
Aluminium oxide
Silica
Ferrous oxide
All of these
Generally wooden moulds are made from
Ply wood
Shishum wood
Deodar wood
Teak wood
Iron ore may contain
Carbon
Silicon
Phosphorus and manganese
All the above
Wrought iron is manufactured from pig iron by
Refining
Pudding
Shingling
All the above
A bull nose brick is not used for
Rounding off sharp corners
Pillars
Decoration purpose
Arches
The type of bond provided in brick masonry for carrying heavy loads is
Single Flemish bond
Double Flemish bond
English bond
Zigzag bond
If water required for 1 bag of cement is 30 litres, the water cement ratio is:
0.40
0.50
0.60
None of these
Pick up the correct statement from the following:
Hornblende mineral is brittle
Muscovite is also known as white mica and potash mica
Biotite is also known as black-mica
All the above
For filling cracks in masonry structures, the type of bitumen used, is
Cut-back bitumen
Bitumen-emulsion
Blown bitumen
Plastic bitumen
The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout
The monsoon
The winter
The summer
None of these
The type of steel used for precision levelling staff, is
Titanium steel
Carbon steel
Invar
Stainless steel
Pick up the correct statement from the following:
Quick lime is obtained by burning pure lime stone
Hydraulic lime is obtained by burning lime stone containing clay 5% to 30%
Poor lime is obtained by burning lime stone containing impurities more than 5%
All the above
Lacquer paints
Are generally applied on structural steel
Are less durable as compared to enamel paints
Consist of resin and nitro-cellulose
All the above
The minimum compressive strength of 1st class bricks should be
75 kg/cm2
90 kg/cm2
100 kg/cm2
120 kg/cm2
Which one of the following is used for preparing porcelain?
Clay
Feldspar
Quartz
All of these
Crushing strength of a first class brick should not be less than
3.5 N/mm²
7.0 N/mm²
10.5 N/mm²
14.0 N/mm²
Blister steel
Is obtained by cementation process
Is full of fissures and cavities
Can be easily welded
All the above
A heavy stone is suitable for
Arches
Rubble masonry
Roads
Retaining walls
Pig iron obtained from the furnace which is properly provided with fuel at a very high temperature, is called
Bessemer pig
Grey or foundry pig
White or forge pig
Mottled pig
Bulking of sand is caused due to
Surface moisture
Air voids
Viscosity
Clay contents
Percentage content of silica in window glass, is
40 to 45
50 to 55
60 to 65
70 to 75
The cement becomes unsound by the presence of excess
Sulphur
Magnesia
Lime
All of these
Brittleness of cold is due to an excess of
Sulphur
Carbon
Phosphorus
Silicon