Ground glass
Is made by grinding its one side
Is made by melting powdered glass paints surface
Is used for getting light without transparency
All the above
Correct Answer :
D. All the above
Related Questions
Which one of the following is acid resistant asbestos?
Actinolite asbestos
Amosite asbestos
Anthophylite asbestos
All the above
Non acid-resistant asbestos is:
Tremolite asbestos
Chrysotile asbestos
Amosite asbestos
None of these
Quartzite is a
Metamorphic rock
Argillaceous rock
Calcareous rock
Siliceous rock
Pick up the correct statement from the following:
The percentage of absorption for firebricks varies from 5 to 10
The percentage of silica in silica bricks is to the extent of about 95 to 97 percent
Roughly 1 to 2 percent of lime in silica bricks is added to act as binding material
All the above
The frog of a brick is normally made on its
Top face
Bottom face
Longer face
Shorter side
The cracks which extend from bark towards the sap wood in the cross section of a tree, are called
Radial shakes
Star shakes
Heart shakes
Cup shakes
The commonly used colour pigment in paints, is
Ambers
Carbon black
Iron oxide
All the above
Number of bricks required for one cubic metre of brick masonry is
400
450
500
550
In paints, the pigment is responsible for
Durability
Colour
Smoothness
Glassy face
Refractory bricks resist
High temperature
Chemical action
Dampness
All the above
Bitumen emulsion is
A liquid containing bitumen in suspension
A paint
Used as anti-corrosive paint
All the above
Generally wooden moulds are made from
Ply wood
Shishum wood
Deodar wood
Teak wood
For the manufacture of plywood, veneers are placed so that grains of adjacent veneers
Run at right angles
Parallel
Inclined at 45°
Inclined at 60°
Slacking of lime is affected by
Keeping it exposed to air
Immersing the lime in water
Crushing the lime lumps
None of these
Shingle is
Decomposed laterite
Crushed granite
Water bound pebbles
Air weathered rock
Quartzite, a metamorphic stone is
Hard
Brittle
Crystalline
All the above
Plywood has the advantage of
Greater tensile strength in longer direction
Greater tensile strength in shorter direction
Same tensile strength in all directions
None of the above
Lime stones are generally known as
Aqueous rocks
Sedimentary rocks
Stratified rocks
All the above
Pick up the correct statement from the following:
Bull's trench kiln a trench excavated in ground
Hoffman's kiln is constructed over ground
Tunnel Kiln is constructed as a tunnel
All the above
The foliated structure is very common in
Sedimentary rocks
Igneous rocks
Metamorphic rocks
None of these
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 steel used for the manufacture of rails, is
Bessemer steel
Mild steel
Cast steel
Stainless steel
For slaking of 10 kg of CaO, the theoretical amount of water is
2.2 kg
1.5 kg
3.2 kg
None of these
Pick up the correct statement from the following:
The substance which consists of one primary chemical, is known as monomer
The polymer consists of thousands of monomers joined together
The polymer molecule is called macro-molecule
All the above
Pick up the correct statement from the following:
Lime is available in Free State
Lime is available by dissolving calcium carbonate in water
Lime is available by calcining calcium carbonate at 900°C
Lime is nothing but calcium chloride
Jhumb bricks are
Under burnt
Over burnt
Kutcha
None of these
For filling cracks in masonry structures, the type of bitumen used, is
Cut-back bitumen
Bitumen-emulsion
Blown bitumen
Plastic bitumen
Which of the following is the purest form of iron?
Cast iron
Wrought iron
Mild steel
High carbon steel
The stones obtained by blasting are used as
Ballast in railways
Aggregates for concrete
Road metal
All the above
Pick up the volcanic rock from the following:
Granite
Dolerite
Basalt
All the above