Urea resin
Phenolic resin
Resorcinol resin
All of these
D. All of these
Granite
Dolerite
Basalt
All the above
Mulberry
Mahogany
Sal
Deodar
Igneous rocks
Metamorphic rocks
Sedimentary rocks
Sedimentary metamorphic rocks
Tri-calcium silicate
Di-calcium silicate
Tri-calcium aluminate
Tetra-calcium alumino ferrite
Granite
Dolerite
Basalt
All the above
Slump is 50 to 75 mm
Flexural strength at 90 days is 0.2 N/mm2
Compressive strength at 90 days is 1.5 N/mm2
All the above
Granite
Sand stone
Lime stone
Quartzite
About 20% to 30% of alumina
About 50% to 60% of silica
Not more than 5% of lime
All the above
Cracks
Shrinks
Reduces to powder
None of these
Alexander Parkes, a Scottish chemist prepared a hard material by mixing camphor and alcohol with nitro cellulose and called it, as Parkesite
Dr. L. Bakeland, a Belgian scientist prepared a product known as Bakelite
Pollark, an Austrian scientist prepared a substance from urea and formaldehyde and called it Plastic
All the above
Weathering
Blending
Tempering
None of these
Forms carbon dioxide
Carbon dioxide with carbon forms carbon mono-oxide
Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2
All the above
Is used as water proofing material
Is used as damp proofing material
Is made from bitumen and hessian fibres
All the above
Polystyrene
Polypropylene
Polyvinylchloride
All of these
Synthetic resin and spirit
Oil, wax and resin
Resin, oil and turpentine
Spirit, oil and wax
Odourless
Non-toxic
Transparent
All of these
Siliceous rocks
Argillaceous rocks
Calcareous rocks
Sedimentary rocks
Single Flemish bond
Double Flemish bond
English bond
Zigzag bond
Di-calcium silicate
Tri-calcium silicate
Tri-calcium aluminate
Tetra calcium alumino ferrite
Magnetite
Red haematite
Limonite
Black band
Segregation
Bleeding
Honey combing
None of these
Tri-calcium aluminate
Tetra-calcium alumino-ferrite
Tri-calcium silicate
Di-calcium silicate
Shale powder
Talc powder
Asbestos powder
Plastic powder
Both A and R is true and R is correct explanation of A
Both A and R is true and R is not a correct explanation of A
A is true but R is false
A is false but R is true
Fat lime
Rich lime
White lime
None of these
Slate
Plank
Board
Strip
Sound insulation
Water proofing
Fire proofing
None to these
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
Lime (CaO) 45%
Silica (SiO2) 35%
Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8%
All the above
10 minutes
30 minutes
60 minutes
600 minute