Study the following statements. (i) Hydraulic lime is suitable for white washing, (ii) Fat lime is suitable for whitewashing, (iii) Hydraulic lime is suitable for making mortar, (iv) Fat lime is suitable for making mortar. The correct answer is
(i) and (iv)
(ii) and (iii)
(i) and (ii)
(iii) and (iv)
Correct Answer :
B. (ii) and (iii)
Related Questions
The foliated structure is very common in
Sedimentary rocks
Igneous rocks
Metamorphic rocks
None of these
The initial setting time of lime-pozzolana, is
30 minutes
60 minutes
90 minutes
120 minutes
Brass is an alloy of
Copper and zinc
Zinc and lead
Tin and silver
Zinc and nickel
Pick up the correct statement from the following:
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
Putty is
Made with finely powdered chalk and linseed oil
Used for fixing glass panes
Softened by a solution of pearl ash and quick-lime soaked in water
All the above
The size of mould for bricks, is generally kept
A little large to specified size
A little small to specified size
Equal to specified size
10% larger than specified size
For a good building stone, its specific gravity should the greater than
1.5
1.7
2.2
2.7
Which of the following has more fire resisting characteristics?
Marble
Lime stone
Compact sand stone
Granite
The PVC doors and windows are preferred as they are
Rust proof
Rot proof
Water proof
All of these
The specific gravity of marble, is
2.50
2.60
2.66
2.72
Pick up the correct statement from the following:
The low voltage porcelain is prepared by wet process
The high voltage porcelain is prepared by dry process
The low voltage porcelain is prepared by dry process
None of the above
Spirit varnish generally consists of
Oil, wax and resin
Alcohol, wax and turpentine
Pigment and synthetic resin
Spirit and shellac
Pick up the polymineralic rock from the following:
Quartz sand
Pure gypsum
Magnesite
Granite
Pegmatite is a/an
Intrusive igneous rock
Extrusive igneous rock
Sedimentary rock
Metamorphic rock
Expanded metal is
Manufactured from steel sheets
Used for reinforced concrete in road pavements
Measured in term of SWM (short way mesh) and LWM (long way mesh)
All the above
Pick up the synthetic resin from the following:
Urea resin
Phenolic resin
Resorcinol resin
All of these
Turpentine oil is used in paints as
Thinner
Vehicle
Base
Drier
The type of bond provided in brick masonry for carrying heavy loads is
Single Flemish bond
Double Flemish bond
English bond
Zigzag bond
The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called:
Radial shakes
Heart shakes
Wind cracks
Twisted fibres
The most durable varnish is
Water varnish
Spirit varnish
Turpentine varnish
Oil varnish
For the manufacture of Portland cement, the proportions of raw materials used, are
Lime 63% ; silica 22% ; other ingredients 15%
Lime 22% ; silica 63% ; other ingredients 15%
Silica 40% ; lime 40% ; other ingredients 20%
Silica 70% ; lime 20% ; other ingredients 10%
The plastics prepared from Vinyl resin are
Odourless
Non-toxic
Transparent
All of these
Based on its dry weight, a freshly felled tree may contain water
25 %
50 %
75 %
100 %
Fibre boards can be
Distempered
Painted
Painted and distempered
Used for furniture
Slate is formed by metamorphic action on
Shale
Lime stone
Sand stone
Granite
Quick lime (or caustic lime)
Is obtained by the calcination of pure lime stone
Has great affinity to moisture
Is amorphous
All the above
Asbestos cement
Is brittle
Warps due to changes in humidity
Strength is lowered when saturated by water
All of the above
Pick up correct statement from the following:
Fibre boards are used for thermal and acoustic control
Fibre boards are used for light weight standing members
Fibre boards are obtained by impregnating a resin product on fibres
All the above
Percentage content of silica in window glass, is
40 to 45
50 to 55
60 to 65
70 to 75
Cross cut saw is used for
Cutting soft stones
Cutting hard stones
Cutting large blocks of stones
Dressing stones