The most commonly used base for timber painting, is
Red lead
Zinc white
White lead
Titanium white
Correct Answer :
C. White lead
Related Questions
The filler used in plastic bitumen, is
Shale powder
Talc powder
Asbestos powder
Plastic powder
Pick up the correct statement from the following:
Acid test is done to find out the weathering quality of stones
Attrition test is done to find out the rate of wear of stones which are used in road construction
Crushing test is done to find out the compressive strength of the stone
All the above
For testing compressive strength of cement, the size of cube used is
50 mm
70.6 mm
100 mm
150 mm
Pick up the correct statement from the following:
The distinct plane of division along which a stone can easily be split, is called natural bed of stone
The natural bed of sedimentary rocks is along the planes of stratification
The natural bed of igneous rocks is not defined
All the above
To give a brilliant finish, the type of varnish used, is
Water varnish
Spirit varnish
Turpentine varnish
Oil varnish
Jhumb bricks are
Under burnt
Over burnt
Kutcha
None of these
Initial setting of cement is caused due to
Tri-calcium silicate
Di-calcium silicate
Tri-calcium aluminate
Tetra calcium alumino ferrite
Elastomers can extend upto
Five times their original dimensions
Seven times their original dimensions
Ten times their original dimensions
Three times their original dimensions
Which of the following timbers is suitable for making sports goods?
Mulberry
Mahogany
Sal
Deodar
Stucco paints are suitable for
Stone masonry
Brick walls
Both (A) and (B)
Neither (A) nor (B)
The plastics prepared from Vinyl resin are
Odourless
Non-toxic
Transparent
All of these
The fire clay contains pure
Lime
Oxide of iron
Hydrated aluminium silicate
Magnesium
For light and ornamental casting, the most unsuitable pig iron, is
Bessemer pig
Grey or foundry pig
White or forge pig
Mottled pig
The stones obtained by blasting are used as
Ballast in railways
Aggregates for concrete
Road metal
All the above
Porcelain is used as:
Sanitary wares
Electric insulators
Storage vessels
Reactor chambers
Percentage content of silica in window glass, is
40 to 45
50 to 55
60 to 65
70 to 75
Gneiss is obtained from
Igneous rocks
Metamorphic rocks
Sedimentary rocks
Sedimentary metamorphic rocks
Which of the following stone is best suited for construction of piers and abutments of a railway bridge?
Granite
Sand stone
Lime stone
Quartzite
The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to
Grey cast iron
White cast iron
Mottled cast iron
Toughed cast iron
Bessemer process is used for the manufacture of
Pig iron
Cast iron
Wrought iron
Steel
The minimum percentage of silica, alumina and ferric oxide in lime for white washing, is
20
15
5
0
Pick up the metal refractory from the following:
Molybdenum
Tungsten
Zirconium
All of these
A good quality stone absorbs water less than
5 %
10 %
15 %
25 %
Sand stone is
Sedimentary rock
Metamorphic rock
Igneous rock
Volcanic rock
The variety of pig iron used for the manufacture of steel by Bessemer process, is
Bessemer pig
Grey pig
White forge pig
Mottled pig
Pick up the correct statement from the following:
Solder material is an alloy which melts at a temperature above 400°C
Brazing is done at temperature above 600°C to 1100°C
Brazing joint is stronger than the solder joint
All the above
The portion of a brick cut to form angles other than right angles in plan, is known as
Queen closer
King closer
Closer
Squint brick
The wedging is adopted for quarrying costly stratified rock such as
Laterite
Marble
Limestone
All the above
Mastic asphalt is
Water proof
Fire proof
Elastic
All the above
Pick up the correct statement from the following: Method of sawing timber
Tangentially to annual rings, is known as tangential method
In four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing method
Cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing
All the above