Varnish is a transparent or semi-transparent solution of resinous substances in
Alcohol
Linseed
Turpentine
All the above
Correct Answer :
D. All the above
Related Questions
Asbestos is
Corrugated sheet used for roofing
An incombustible fire proof material
An organic substance
All 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
Invar contains
12% of nickel
24% of nickel
30% to nickel
36% of nickel
Snowcrete is one of the patent forms of
Distempers
Water proof cement paints
Enamel paints
Cellulose paints
Forge pig may be converted to wrought iron by
Rolling
Pudding
Shingling
Refining
A heavy stone is suitable for
Arches
Rubble masonry
Roads
Retaining walls
The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as
Cementation process
Crucible process
Bessemer process
Open hearth process
The type of steel used for precision levelling staff, is
Titanium steel
Carbon steel
Invar
Stainless steel
Knots in timber are
Defects caused by crushing fibres
Splits radiating from the centre
Speckled strains
Signs of branches cut off
Addition of pozzolana to ordinary Portland cement increases
Bleeding
Shrinkage
Permeability
Heat of hydration
The amount of water used for one kg of distemper is
0.2 liter
0.4 liter
0.6 liter
0.8 liter
Pick up the synthetic resin from the following:
Urea resin
Phenolic resin
Resorcinol resin
All of these
When a brick is immersed in water for 24 hours and then dried, if
No grey or white deposits appear on the surface, the brick is free from soluble salts
10 percent surface is covered with grey or white deposits, the brick has slight efflorescence
50 percent surface is covered with grey or white deposits, the brick has serious efflorescence
All the above
Lime stone is not a
Sedimentary rock
Stratified rock
Aqueous rock
Metamorphic rock
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
Plastic asphalt is
Used as a water proofing layer over roof
A mixture of cement and asphalt
A natural asphalt
A refinery product
The minimum compressive strength of 1st class bricks should be
75 kg/cm2
90 kg/cm2
100 kg/cm2
120 kg/cm2
In order of increasing percentage of silica, the correct sequence is
Sandy clay, calcareous clay, pure clay
Calcareous clay, pure clay, sandy clay
Pure clay, sandy clay, calcareous clay
None of these
Crushing strength of a good building stone should be more than
50 MPa
100 MPa
150 MPa
200 MPa
Which of the following is a mineral?
Basalt
Granite
Quartz
Syenite
The preparation of surface of stone to obtain plain edges or to obtain stones of required size and shape is known as
Quarrying of stones
Blasting of stones
Seasoning of stones
Dressing of stones
For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of
1 : 2
1 : 3
1 : 4
1 : 6
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
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
The internal size of mould used in brick preparation is
Equal to the size of a fully burnt brick
Smaller than the size of a fully burnt brick
Greater than the size of a fully burnt brick
None of the above
To retard the initial setting time of cement, the compound responsible, is
Tri-calcium silicate
Gypsum
Di-calcium silicate
Tri-calcium aluminate
The percentage of water for normal consistency, is
5% to 15%
10% to 25%
15% to 25%
20% to 30%
The trunk of tree left after cutting all the branches is known as
Log
Batten
Plank
Baulk
Red short iron cracks when bent due to the presence of
Sulphur
Carbon
Phosphorus
Silicon
The fire clay contains pure
Lime
Oxide of iron
Hydrated aluminium silicate
Magnesium