A bull nose brick is not used for
Rounding off sharp corners
Pillars
Decoration purpose
Arches
Correct Answer :
D. Arches
Related Questions
Minimum of 40% of iron, is available in
Magnetite
Red haematite
Limonite
Black band
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
Pick up the metal refractory from the following:
Molybdenum
Tungsten
Zirconium
All of these
For high grade instruments the steel preferred to, is
Cast steel
Bessemer steel
Mild steel
Whitworth compressed steel
A badly mixed cement concrete results in
Segregation
Bleeding
Honey combing
None of these
Laterite is a/an
Volcanic rock
Argillaceous rock
Calcareous rock
Siliceous rock
Most commonly used solvent in oil paints, is
Petroleum
Spirit
Coal tar
Turpentine
For construction of structures under water, the type of lime used, is
Hydraulic lime
Fat lime
Quick lime
Pure lime
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
Which of the following represents a metamorphic rock? (i) Slate (ii) Shale (iii) Quartzite The correct answer is
Only (iii)
Both (i) and (iii)
Both (ii) and (iii)
All (i), (ii) and (iii)
Bitumen may be dissolved in
Carbondioxide
Water
Sodium chloride
Carbon disulphide
Addition of pozzolana to ordinary Portland cement increases
Bleeding
Shrinkage
Permeability
Heat of hydration
The most important constituent of varnish, is
Drier
Solvent
Resin
All the above
The specific gravity of marble, is
2.50
2.60
2.66
2.72
The plastics made from cellulose resin
Are as clear as glass
Are tough and strong
Possess excellent electrical properties
All the above
Oil varnish generally consists of
Synthetic resin and spirit
Oil, wax and resin
Resin, oil and turpentine
Spirit, oil and wax
The wedging is adopted for quarrying costly stratified rock such as
Laterite
Marble
Limestone
All the above
Spirit varnish generally consists of
Oil, wax and resin
Alcohol, wax and turpentine
Pigment and synthetic resin
Spirit and shellac
For the manufacture of stainless steel, steel is mixed with
Chromium
Nickel
Tungsten
None of these
Good quality cement contains higher percentage of
Tri-calcium silicate
Di-calcium silicate
Tri-calcium aluminate
Tetra calcium alumino ferrite
The main ingredients of Portland cement are
Lime and silica
Lime and alumina
Silica and alumina
Lime and iron
Due to attack of dry rot, the timber
Cracks
Shrinks
Reduces to powder
None of these
Brittleness of cold is due to an excess of
Sulphur
Carbon
Phosphorus
Silicon
The size of modular bricks, is
10 × 10 × 9 cm
19 × 9 × 9 cm
22.5 × 10 × 8.5 cm
22.5 × 8.0 × 9 cm
The most fire resistant paints are:
Enamel paints
Aluminium paints
Asbestos paints
Cement paints
Which of the following has more fire resisting characteristics?
Marble
Lime stone
Compact sand stone
Granite
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
The steel which contains fissures and cavities, is manufactured by
Cementation process
Crucible process
Bessemer process
Open hearth process
Which of the following ingredients of the brick earth enables the brick to retain its shape?
Alumina
Silica
Iron
Magnesia
The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner are known as
Knots
Rindgalls
Burls
None of these