Vanadium steel is generally used for
Railway switches and crossing
Bearing balls
Magnets
Axles and springs
Correct Answer :
D. Axles and springs
Related Questions
French polish is
Oil paint
Distemper
Spirit varnish
None to these
The practical limit of moisture content achieved in air drying of timber is
5 %
15 %
25 %
35 %
Strength of cement concrete primarily depends upon
Quality of water
Quantity of aggregate
Quantity of cement
Water-cement ratio
Red short iron cracks when bent due to the presence of
Sulphur
Carbon
Phosphorus
Silicon
The colour of statuary marble used for sculptor's work, is
Red
Blue
White
Green
Pick up the correct statement from the following:
The baked earth is called terra-cotta
The articles prepared from clay which is burnt at low temperature and cooled down slowly, are called earthen-ware
The articles prepared from refractory clays which as mixed with stone and crushed pottery, are called stone ware
All the above
The most commonly used base for timber painting, is
Red lead
Zinc white
White lead
Titanium white
The steel used for the manufacture of rails, is
Bessemer steel
Mild steel
Cast steel
Stainless steel
In arches, stratified stones are placed so that their planes are
Parallel
Perpendicular
Radial
None of these
The harmonious mixing of the clay ingredients, is known as
Weathering
Blending
Tempering
None of these
The nominal size of the modular brick is
190 mm × 90 mm × 80 mm
190 mm × 190 mm × 90 mm
200 mm × 100 mm × 100 mm
200 mm × 200 mm × 100 mm
Sewer pipes are made of
Earthen ware
Stone ware
Refractory clay
All the above
The steel used for rails under heavy traffic and on sharp curves, is
Nickel steel
Chrome steel
Manganese steel
Vanadium steel
The standard size of masonry bricks, is
18 cm × 8 cm × 8 cm
19 cm × 9 cm × 9 cm
20 cm × 10 cm × 10 cm
21 cm × 11 cm × 11 cm
Lime concrete is generally used for
Wall foundations
Flooring at ground level
Both (A) and (B)
Neither (A) nor (B)
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
Minimum required water cement ratio for a workable concrete, is
0.30
0.40
0.50
0.60
Pick up the correct statement from the following:
The free quartz suddenly expands at a temperature lower than 600°C
The lime stone resists fire upto about 800°C and at higher temperature it splits into CaO and CO2
The sand stone with silicates resist a fire in a better way
All the above
Pick up the correct statement from the following:
Melamine is obtained from calcium carbide
Formaldehyde is prepared synthetically from methane
The melamine when reacted with formaldehyde forms the melamineformaldehyde resin
All the above
Pick up the compound responsible for early strength of cement from the following:
Tetra-calcium alumino-ferrite
Tri-calcium silicate
Tri-calcium aluminate
Di-calcium silicate
The presence of original rounded surface on the manufactured piece of timber, is called
Wane
Torn grain
Diagonal grain
Chipmark
Pick up the correct statement from the following:
Blistering may be cured by applying water paint finished with oil paint dried with a little copal varnish
Cracked paints may be cured by removing paint and giving a fresh coat of paint
Crawling paints may be cured by sand preparing the surface and giving a fresh coat with plenty of turps
All the above
Bituminous fells are used for
Covering A.C. sheets
Covering sloping roofs
D.P.C.
None to these
Water paint is a
White wash
Colour wash
Whiting
All the above
The commonly used base for iron and steel work, is
Red lead
Zinc white
White lead
Titanium white
Portland cement manufactured from pure white chalk and clay but free from iron-oxide, is known as
Quick setting cement
Rapid hardening cement
White cement
Low heat Portland cement
Pick up the correct statement from the following:
For thin structures subjected to wetting and drying, the water cement ratio should be 0.45
For mass concrete structures subjected to wetting and drying, the water ratio should be 0.55
For thin structures which remain continuously under water, the watercement ratio by weight should be 0.55
All the above
For light and ornamental casting, the most unsuitable pig iron, is
Bessemer pig
Grey or foundry pig
White or forge pig
Mottled pig
The stretcher bond in brick masonry can be used only when the thickness of wall is
90 mm
180 mm
190 mm
280 mm
Forge pig may be converted to wrought iron by
Rolling
Pudding
Shingling
Refining