Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum, mica
Basalt and marble are the only metamorphic rocks
There is no sedimentary rock
Granite is the only igneous rock
Quartz and mica are minerals
Correct Answer :
D. Quartz and mica are minerals
Related Questions
The most important tool in brick laying for lifting and spreading mortar and for forming joints is
Trowel
Square
Bolster
Scutch
The plastics made from cellulose resin
Are as clear as glass
Are tough and strong
Possess excellent electrical properties
All the above
Quick lime is
Calcium carbonate
Calcium oxide
Calcium hydroxide
None of the above
For obtaining vinyl chloride acetate, the method used, is
Addition polymerization
Condensation polymerization
Co-polymerization
None of these
The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called:
Radial shakes
Heart shakes
Wind cracks
Twisted fibres
Cross cut saw is used for
Cutting soft stones
Cutting hard stones
Cutting large blocks of stones
Dressing stones
Pick up the correct statement from the following:
Blisters in the finished wrought iron, are caused due to the reaction between oxide of iron and carbon
The edges of a finished wrought iron are rough due to red shortage
Pig iron (charcoal) is manufactured from magnetic ore (Fe3O4)
All the above
In the cement the compound quickest to react with water, is
Tri-calcium aluminate
Tetra-calcium alumino-ferrite
Tri-calcium silicate
Di-calcium silicate
A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than
10 %
15 %
20 %
25 %
Which of the following cements contains maximum percentage of dicalcium silicate?
Ordinary Portland cement
Low heat cement
Rapid hardening cement
Sulphate resisting cement
The size of mould for bricks, is generally kept
A little large to specified size
A little small to specified size
Equal to specified size
10% larger than specified size
Priming consists of
One part of white lead, 8 parts of chalk and four parts of twice boiled linseed oil
8 parts of white lead, one part of chalk and four parts of twice boiled linseed oil
One part of white lead, 8 parts of chalk and one part of linseed oil
None to these
Rapid hardening cement contains
Tri-calcium silicate
Tri-calcium aluminate
Tetra-calcium alumino-ferrite
Di-calcium silicate
Which of the following ingredients of the brick earth enables the brick to retain its shape?
Alumina
Silica
Iron
Magnesia
Which of the following trees yields hard wood?
Deodar
Chir
Shishum
Pine
A first class brick when immersed in cold water for 24 hours should not absorb water more than
15 %
20 %
22 %
25 %
Pick up the volcanic rock from the following:
Granite
Dolerite
Basalt
All the above
The most valuable timber may be obtained from
Chir
Shishum
Sal
Teak
Which of the following represents a metamorphic rock? (i) Slate (ii) Shale (iii) Quartzite The correct answer is
Only (iii)
Both (i) and (iii)
Both (ii) and (iii)
All (i), (ii) and (iii)
In arches, stratified stones are placed so that their planes are
Parallel
Perpendicular
Radial
None of these
Pick up the correct statement from the following:
Steel produced by open hearth process is milder than that obtained by the Bessemer process
Engineers prefer open hearth steel for structural purpose as it is more homogenous
Basic Bessemer process is suitable for converting poor ore containing a large proportion of sulphur and phosphorus into steel
All the above
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
Smith's test of stones is performed to find out
The presence of soluble matter of stone
The compressive strength of the stone
The hardness of the stone
The toughness of the stone
The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively:
15, 75, 10
75, 10, 15
10, 15, 75
10, 75, 15
Minimum of 40% of iron, is available in
Magnetite
Red haematite
Limonite
Black band
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:
Soft stones are required for carving
Light stones are required for arches
Hard stones are required to stand high pressure
All the above
Dry rot
Cracks the timber
Reduces the strength of timber
Reduces the timber to powder
Spoils the appearance of timber
The rocks formed by gradual deposition, are called
Sedimentary rocks
Igneous rocks
Metamorphic rocks
None of these
The stones obtained by blasting are used as
Ballast in railways
Aggregates for concrete
Road metal
All the above