Most commonly used solvent in oil paints, is
Petroleum
Spirit
Coal tar
Turpentine
Correct Answer :
A. Petroleum
Related Questions
The process of mixing clay, water and other ingredients to make brick is known as
Kneading
Moulding
Pugging
Drying
Initial setting of cement is caused due to
Tri-calcium silicate
Di-calcium silicate
Tri-calcium aluminate
Tetra calcium alumino ferrite
Bitumen felt is used for
Water proofing
Damp proofing
Both (A) and (B)
Neither (A) nor (B)
For obtaining vinyl chloride acetate, the method used, is
Addition polymerization
Condensation polymerization
Co-polymerization
None of these
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
Pick up the correct statement from the following:
Corrugated sheet iron is made by passing plain sheets between grooved rollers
Strength and stiffness of corrugated sheets are considerably increased
Corrugated sheets are generally used on slanting roofs
All the above
Dorry's testing machine is used for
Crushing test of stone
Hardness test of stone
Impact test of stone
Water absorption test
The plastics prepared from Vinyl resin are
Odourless
Non-toxic
Transparent
All of these
Plastic asphalt is
Used as a water proofing layer over roof
A mixture of cement and asphalt
A natural asphalt
A refinery product
Which of the following bricks are used for lining of furnaces?
Over-burnt bricks
Under-burnt bricks
Refractory bricks
First class bricks
In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is
Right angles
45°
60°
Parallel
Advantage of a clamp compared to a kiln for burning bricks is that
It takes less time for burning
It gives more output of first class bricks
It has less initial cost
It is suitable when bricks are required in large numbers
Geologically, marble is known as
Sedimentary rock
Igneous rock
Metamorphic rock
Stratified rock
Glazing is used to make earthenware
Hard
Soft
Porous
Impervious
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
For the manufacture of stainless steel, steel is mixed with
Chromium
Nickel
Tungsten
None of these
If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called
Bessemer pig
Grey or foundry pig
White or forge pig
Mottled pig
Bulking of sand is caused due to
Surface moisture
Air voids
Viscosity
Clay contents
Pick up the correct statement from the following:
The heating of a material to redness in contact with air, is known as calcination
The property of lime by which it sets or hardens in damp places having no free circulation of air is called setting
The product that remains after calcination of limestone, is called lime
All the above
Pick up the correct statement from the following:
Catalysts are added to assist and accelerate the hardening of resin
The fillers are inert materials and they impart strength and hardness
Fibrous fillers increase thermal resistance
All the above
The most important constituent of an oil paint, is
Thinner
Vehicle
Pigment
All the above
Specific gravity for most of the building stones lies between
1.5 to 2.0
2.0 to 2.5
2.5 to 3.0
3.0 to 3.5
Plaster of Paris is obtained by calcining
Bauxite
Gypsum
Lime stone
None of these
The commonly used raw material in the manufacture of cement, is
Slate
Sand stone
Lime stone
Basalt
Which of the following gradients exerts maximum influence on properties of steel?
Iron
Carbon
Manganese
Sulphur
Lacquer paints
Are generally applied on structural steel
Are less durable as compared to enamel paints
Consist of resin and nitro-cellulose
All the above
Duco paints are
Plastic paints
Cellulose paints
Emulsion paints
Oil paints
The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called
Cementation process
Crucible process
Bessemer process
Open hearth process
Rapid hardening cement contains
Tri-calcium silicate
Tri-calcium aluminate
Tetra-calcium alumino-ferrite
Di-calcium silicate
The most commonly used base for timber painting, is
Red lead
Zinc white
White lead
Titanium white