The sedimentary rocks are formed due to : gradual deposition of materials similar sand, clay, etc., to a greater extent than ofttimes than non yesteryear setting water
The rocks formed due to solidification of molten majority laying below or inward a higher house the public surface are called: Igneous Rocks
The rocks formed due to modification of original construction nether estrus as well as excessive delineate per unit of measurement area are called: Metamorphic Rocks
Igneous stone has: Crystalline, glossy as well as fused textures
Slate inward the for of tiles is used for: Excellent Roof Covering Material
Marble is an illustration of : Metamorphic Rock
Sandstone consists of: Quartz, Silica as well as Lime
Granite is mainly composed of: Quartz, Felspar as well as Mica
Gneiss is mainly composed of: Quartz as well as Felspar
Slate is composed of: Alumina mixed amongst sand or carbonate of lime
A siliceous sandstone which has been subjected to metamorphic action: Quartzite
Marble is mainy composed of: Silica as well as Lime
In social club to dry out the quarry sap of freshly carried stone, it should live exposed t opened upwardly air for a catamenia of: six to twelve months
The compressive forcefulness of granite is: 70 to 130 M Newton per Meter Square
The compressive forcefulness of slate is: 60 to lxx M Newton per Meter Square
The compressive forcefulness of Sandstone is: 35 to forty M Newton per Meter Square
A skilful edifice stone is 1 which does non absorb to a greater extent than tha: 5% of it's weight of H2O after 1 day's immersion.
A stone amongst large pct of Quartz is: Very Soft
The specific gravity of stone, inward whatsoever case, should non live less than: 2.5
Major element of siliceous stone is: Silica
Major element of Argillaceous stone is: Clay or Alumina
Major element of Calcareous stone is: Calcium or Lime
The colouring fabric of Granite is: Grey, Green, Brown, Pink
The colouring fabric of Slate is: Grey or Dark Blue
The colouring fabric of sandstone is: White, Grey, Brown, Pink etc.
The colouring fabric of Limestone is: Brown, Yellow as well as Dark Grey
The colouring fabric of Moorum is: Deep Brown or Red
A fine grained granite: Offers high resistance to weathering
A fine grained granite: Can live easily polished as well as worked
A fine grained granite: is used for outside facing of buildings
A Limestone containing nearly 30% of Alumina as well as Silica is called: Kankar
A Limestone constitute inward seams of keen thickness inward non crystalline texture amongst earthy appearance is called: Compact Limestone
The specific gravity of Granite is: 2.64
The specific gravity of Slate is: 2.8
The specific gravity of Sandstone is: 2.65 to 2.95
The specific gravity of Limestone is: 2.6
The specific gravity of Marble is: 2.7
The specific gravity of Laterite is: 2 to 2.2
For Railway ballast, the stone should be: Hard, Dense, Durable, Tough as well as easily workable
When quarrying is to live done inward difficult stone as well as compact rocks, the green methods of quarrying is: Blasting
The quarrying of stone yesteryear the method of wedging is successfully carried out in: Sandstones, Limestones, Marbles etc.
The compressive forcefulness of Felspar is: More than Quartz
Gun cotton wool is made yesteryear saturating cotton wool with: Nitric Acid
The most powerful explosive used inward blasting is: Gun Cotton
The dressing of stone is done: Immediately after Quarrying
For the construction of retaining walls, the stone used must be: Heavy
The crushing forcefulness of stone depends upon its: Texture as well as Specific Gravity
The stone used for the construction of curved or ornamental operate should be: Soft
The attrton examine inward the stone is performed: for determining the charge per unit of measurement of wearable of stone due to grinding activity nether traffic
The brick public is derived yesteryear the disintegration of: Igneous Rocks
A get-go degree brick should non absorb H2O to a greater extent than than: 20% of its ain dry out weight after 24 hours immersion inward mutual frigidity water.
A minute degree brick should non absorb H2O to a greater extent than than: 22% of its ain dry out weight after 24 hours immersion inward mutual frigidity water.
A tertiary degree brick should non absorb H2O to a greater extent than than: 25% of its ain dry out weight after 24 hours immersion inward mutual frigidity water.
The principal element of every sort of brick public is: Alumina
The pct of Alumina inward skilful brick earth: 20% to 30%
The pct of Silica inward skilful brick earth: 50% to 60%
A get-go degree brick should accept a minimum crushing forcefulness of: 10.5 MN per Meter Square
A minute degree brick should accept a minimum crushing forcefulness of: 7.5 MN per Meter Square
A tertiary degree brick should accept a minimum crushing forcefulness of: 5.5 MN per Meter Square
A perforated brick should accept a minimum crushing forcefulness of: 7 MN per Meter Square
Excess of Alumina inward clay: Makes the brick scissure as well as warp on drying
Excess of Silica inward clay: Makes the brick brittle as well as Weak
Excess of Lime inward clay: Causes the bricks to melt as well as distort during burning
Presence of Alkaline Salt: Absorbs wet from the air which on drying leaves high pulverization deposit on the bricks
The colouring fabric of bricks depends upon: the amount of Fe oxide introduce inward the clay
The specific gravity of bricks is about: 2
The touchstone size of bricks are: 19 cm x nine cm x nine cm
The touchstone size of brick tiles are: 19 cm x nine cm x iv cm
The release of bricks required for 1 cubic meter of brick masonry are: 550
The size of mould for bricks should be: larger than the specified size of bricks
The alkali metal tabular array salt introduce inward the bricks causes: Effloescence
If clay containing pyrite is used to brand brick, it causes: Efflorescence inward brick
If H2O containing Gypsum is used for pugging clay, it causes: Efflorescence
The skilful clay for making bricks is: Weathered Clay
For facing purposes, the mitt made bricks are: Superior to machine made bricks
The procedure of mixing clay, H2O as well as other ingredients to brand bricks, is known as: Kneading
The procedure inward which the public is dug out as well as is left to atmospheric activity for few weeks, is known as: Weathering
The burning of bricks inward kilns is consummate within: 24 Hrs
The bricks after burning inward kilns ask about: 12 days to cool downward for unloading
The temperature on which the brick should live burnt ranges between: 1000 to 1200 Degree Celsius
The bricks after moulding should live dried in: air for three to days exactly non inward sun
The indentation marks left on bricks during the procedure of moulding, are known as: Frogs
The natural drying of bricks is besides called: Hack Drying
The frog of a brick is usually made on its: Top Face
The type of brick suitable for panal walls for multi storeyed buildings is: Hollow Bricks as well as Perforated Bricks
The average out plough of get-go degree bricks inward clamp burning is: 60%
The average out plough of minute degree bricks inward kiln burning is: 80% to 90%
Jhama bricks are: Over burnt amongst irregular shape
The public required for the moulding of one m bricks is about: 1.5 to 2.5 cum
Bricks used inward construction of acuate as well as obtuse squint quoins: Squint Bricks
The bricks used for street pavements, stable floors, garden walls: Paving Bricks
The bricks used for round out pillars: Round Bricks
The bricks capable of withstanding heat as well as depression coefficient of expansion as well as contraction: Refractory Bricks
Classification of Refractory Bricks: Acid Bricks, Basic Bricks, Neutral Bricks
Classification of Acid Bricks: Fire Bricks as well as Silica Bricks
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