Building Material MCQ PART-7
Q.NO 301) The rocks formed by gradual deposition, are called
(A) Sedimentary rocks
(B) Igneous rocks
(C) Metamorphic rocks
(D) None of these
Answer: Option A (Sedimentary rocks)
Q.NO 302) Plastic
(A) Is an organic substance
(B) Consists of natural or synthetic binders
(C) Finished products are rigid and stable at normal temperature
(D) All the above
Answer: Option D (All the above)
Q.NO 303) Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a
(A) Cant
(B) Deal
(C) Baulk
(D) Strip
Answer: Option C (Baulk)
Q.NO 304)
Rocks formed due to alteration of original structure due to heat and excessive pressure are called ?
(A) Sedimentary rocks
(B) Igneous rocks
(C) Metamorphic rocks
(D) None of these
Answer: Option C (Metamorphic rocks)
Q.NO 305) Geologically, marble is known as
(A) Sedimentary rock
(B) Igneous rock
(C) Metamorphic rock
(D) Stratified rock
Answer: Option C (Metamorphic rock)
Q.NO 306) Iron ore may contain ?
(A) Carbon
(B) Silicon
(C) Phosphorus and manganese
(D) All the above
Answer: Option D (All the above)
Q.NO 307)
Pick up the incorrect statement from the following:
(A) Plastics are chemical resistant
(B) Plastics are durable
(C) Plastics are ductile
(D) Plastics are excellent electric insulators
Answer: Option C (Plastics are ductile)
Q.NO 308)
The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called:
(A) Radial shakes
(B) Heart shakes
(C) Wind cracks
(D) Twisted fibres
Answer: Option C (Wind cracks)
Q.NO 309
Pig iron is manufactured from the ores by
(A) Dressing
(B) Calcination and roasting
(C) Smelting
(D) All the above
Answer: Option D (All the above)
Q.NO 310) Pick up the correct statement from the following:
(A) The plywoods do not split or crack due to changes in atmosphere
(B) The commercial plywoods are available upto 150 cm wide and upto 300 cm long
(C) The plywoods possess uniform tensile strength in all directions
(D) All the above
Answer: Option D (All the above)
Building Materials on prarocks
Q.NO 311) Jhumb bricks are
(A) Under burnt
(B) Over burnt
(C) Kutcha
(D) None of these
Answer: Option B (Over burnt)
Q.NO 312) Pick up the correct statement from the following:
(A) Steel produced by open hearth process is milder than that obtained by the Bessemer process
(B) Engineers prefer open hearth steel for structural purpose as it is more homogenous
(C) Basic Bessemer process is suitable for converting poor ore containing a large proportion of sulphur and phosphorus into steel
(D) All the above
Answer: Option D ( All the above)
Q.NO 313) Refractory bricks resist
(A) High temperature
(B) Chemical action
(C) Dampness
(D) All the above
Answer: Option A (High temperature)
Q.NO 314 ) The thermosetting plastic
(A) Becomes rigid when moulded at suitable pressure and temperature
(B) At 127°C to 177°C permanently set and further application of heat does not soften it
(C) Chars at 343°C
(D) All the above
Answer: Option D (All the above)
Q.NO 315) Commonly used thinner in
(A) Lacquer paints, is alcohol
(B) Cellulose paints is ethyl acetate
(C) Oil paints, is naphtha
(D) All the above
Answer: Option D (All the above)
Q.NO 316) The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner are known as
(A) Knots
(B) Rindgalls
(C) Burls
(D) None of these
Answer: Option B (Rindgalls)
Q.NO 317) Bitumen completely dissolves in
(A) Carbon bisulphide
(B) Chloroform
(C) Coal tar
(D) All of these
Answer: Option D (All of these)
Q.NO 318
A stone is rejected if it absorbs water more than
(A) 5 %
(B) 10 %
(C) 15 %
(D) 20 %
Answer: Option B (10 %)
Q.NO 319
The most commonly used synthetic abrasive is
(A) Aluminium carbide
(B) Boric acid
(C) Silicon
(D) All of these
Answer: Option D (All of these)
Q.NO 320)
During smelting process, the combination of fuel in the furnace
(A) Forms carbon dioxide
(B) Carbon dioxide with carbon forms carbon mono-oxide
(C) Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2
(D) All the above
Answer: Option D (All the above)
Q.NO 321
According to ISI, bitumen is classified into
(A) 2 grades
(B) 4 grades
(C) 8 grades
(D) 10 grades
Answer: Option D (10 grades)
Q.NO 322) Basalt is
(A) Sedimentary rock
(B) Metamorphic rock
(C) Extrusive igneous rock
(D) Intrusive igneous rock
Answer: Option C (Extrusive igneous rock)
Q.NO 323) The size of mould for bricks, is generally kept
(A) A little large to specified size
(B) A little small to specified size
(C) Equal to specified size
(D) 10% larger than specified size
Answer: Option A (A little large to specified size)
Q.NO 324) For construction of structures under water, the type of lime used, is
(A) Hydraulic lime
(B) Fat lime
(C) Quick lime
(D) Pure lime
Answer: Option A(Hydraulic lime)
Q.NO 325) French polish is
(A) Oil paint
(B) Distemper
(C) Spirit varnish
(D) None to these
Answer: Option C (Spirit varnish)
Q.NO 326) Ultimate strength to cement is provided by
(A) Tri-calcium silicate
(B) Di-calcium silicate
(C) Tri-calcium aluminate
(D) Tetra calcium alumino ferrite
Answer: Option B (Di-calcium silicate)
Q.NO 327) Wrought iron contains carbon about
(A) 1.5% to 5.5%
(B) 0.5% to 1.75%
(C) 0.1% to 0.25%
(D) None to these
Answer: Option C ( 0.1% to 0.25%)
Q.NO 328) Galvanising means covering iron with a thin coat of
(A) Tin
(B) Zinc
(C) Glaze
(D) Coal tar
Answer: Option B (Zinc)
Q.NO 329) The rocks in which argil (or clay) predominates, are called
(A) Siliceous rocks
(B) Argillaceous rocks
(C) Calcareous rocks
(D) Igneous rocks
Answer: Option B (Argillaceous rocks)
Q.NO 330) Name the type of cement from the following for canal linings:
(A) Sulphate resisting cement
(B) Rapid hardening cement
(C) Quick setting cement
(D) Pozzolana cement
Answer: Option A (Sulphate resisting cement)
Q.NO 331) Seasoning is
(A) A process of removing sap
(B) Creosoting
(C) Painting with sodium silicate
(D) Coating with tar
Answer: Option A (A process of removing sap)
Q.NO 332)
Soundness test of cement determines
(A) Quality of free lime
(B) Ultimate strength
(C) Durability
(D) Initial setting
Answer: Option A ( Quality of free lime)
Q.NO 333) Turpentine oil is used in paints as
(A) Thinner
(B) Vehicle
(C) Base
(D) Drier
Answer: Option A (Thinner)
Q.NO 334) Stucco paints are suitable for
(A) Stone masonry
(B) Brick walls
(C) Both (A) and (B)
(D) Neither (A) nor (B)
Answer: Option C (Both (A) and (B))
Building Materials imp mcq on prarocks
Q.NO 335) Stones used for ornamental work must be
(A) Soft
(B) Hard
(C) Light
(D) Heavy
Answer: Option A (Soft)
Q.NO 336) Lime stone is not a
(A) Sedimentary rock
(B) Stratified rock
(C) Aqueous rock
(D) Metamorphic rock
Answer:Option D (Metamorphic rock)
Q.NO 337) Pick up the correct statement from the following:
(A) The heating of a material to redness in contact with air, is known as calcination
(B) The property of lime by which it sets or hardens in damp places having no free circulation of air is called setting
(C) The product that remains after calcination of limestone, is called lime
(D) All the above
Answer: Option D (All the above)
Q.NO 338) Pick up the correct statement from the following:
(A) The average crushing strength of hand moulded bricks is 6000 t/m2
(B) The average tensile strength of hand moulded brick is 200 t/m2
(C) The average shearing strength of hand moulded brick is 600 t/m2
(D) All the above
Answer: Option D (All the above)
Q.NO 339
Snowcrete is one of the patent forms of
(A) Distempers
(B) Water proof cement paints
(C) Enamel paints
(D) Cellulose paints
Answer: Option B
Q.NO 340) Cast iron is used for
(A) Structural works in beams
(B) Small sized water pipes
(C) Columns and struts
(D) None to these
Answer: Option C (Columns and struts)
Q.NO 341
Pick up the correct statement from the following:
(A) The percentage of absorption for firebricks varies from 5 to 10
(B) The percentage of silica in silica bricks is to the extent of about 95 to 97 percent
(C) Roughly 1 to 2 percent of lime in silica bricks is added to act as binding material
(D) All the above
Answer: Option D (All the above)
Q.NO 342) Good quality cement contains higher percentage of ?
(A) Tri-calcium silicate
(B) Di-calcium silicate
(C) Tri-calcium aluminate
(D) Tetra calcium alumino ferrite
Answer: Option A ( Tri-calcium silicate)
Q.NO 343) Laterite is a/an ?
(A) Volcanic rock
(B) Argillaceous rock
(C) Calcareous rock
(D) Siliceous rock
Answer: Option B (Argillaceous rock)
Q.NO 344
Seasoning of timber is essential to remove
(A) Knots from timber
(B) Sap from timber
(C) Twisted fibre from timber
(D) Roughness of timber
Answer: Option B (Sap from timber)
Q.NO 345) The term frog means?
(A) An apparatus to lift the stone
(B) A depression on a face of brick
(C) Vertical joint in a brick work
(D) Soaking brick in water
Answer: Option B(A depression on a face of brick)
Q.NO 346) The presence of sand in brick earth prevents:
(A) Cracking of bricks
(B) Shrinkage of bricks
(C) Warping of bricks
(D) None of these
Answer: Option C (Warping of bricks)
Q.NO 347) Refractory bricks are
(A) Neutral refractory bricks
(B) Acid refractory bricks
(C) Basic refractory bricks
(D) All the above
Answer: Option D (All the above)
Building Materials
Q.NO 348
A prime coat is given to steel work with ?
(A) An oxide of iron paint
(B) A mixture of white lead and lead paint
(C) A special paint
(D) Cement paint
Answer: Option B (A mixture of white lead and lead paint)
Q.NO 349)
Teak wood is suitable for
(A) Sports articles
(B) Furnitures
(C) Railway sleepers
(D) All the above
Answer: Option B (Furnitures)
Q.NO 350) Elastomers can extend upto
(A) Five times their original dimensions
(B) Seven times their original dimensions
(C) Ten times their original dimensions
(D) Three times their original dimensions
Answer: Option C (Ten times their original dimensions)
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Q.NO 301) The rocks formed by gradual deposition, are called
(A) Sedimentary rocks
(B) Igneous rocks
(C) Metamorphic rocks
(D) None of these
Answer: Option A (Sedimentary rocks)
Q.NO 302) Plastic
(A) Is an organic substance
(B) Consists of natural or synthetic binders
(C) Finished products are rigid and stable at normal temperature
(D) All the above
Answer: Option D (All the above)
Q.NO 303) Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a
(A) Cant
(B) Deal
(C) Baulk
(D) Strip
Answer: Option C (Baulk)
Q.NO 304)
Rocks formed due to alteration of original structure due to heat and excessive pressure are called ?
(A) Sedimentary rocks
(B) Igneous rocks
(C) Metamorphic rocks
(D) None of these
Answer: Option C (Metamorphic rocks)
Q.NO 305) Geologically, marble is known as
(A) Sedimentary rock
(B) Igneous rock
(C) Metamorphic rock
(D) Stratified rock
Answer: Option C (Metamorphic rock)
Q.NO 306) Iron ore may contain ?
(A) Carbon
(B) Silicon
(C) Phosphorus and manganese
(D) All the above
Answer: Option D (All the above)
Q.NO 307)
Pick up the incorrect statement from the following:
(A) Plastics are chemical resistant
(B) Plastics are durable
(C) Plastics are ductile
(D) Plastics are excellent electric insulators
Answer: Option C (Plastics are ductile)
Q.NO 308)
The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called:
(A) Radial shakes
(B) Heart shakes
(C) Wind cracks
(D) Twisted fibres
Answer: Option C (Wind cracks)
Q.NO 309
Pig iron is manufactured from the ores by
(A) Dressing
(B) Calcination and roasting
(C) Smelting
(D) All the above
Answer: Option D (All the above)
Q.NO 310) Pick up the correct statement from the following:
(A) The plywoods do not split or crack due to changes in atmosphere
(B) The commercial plywoods are available upto 150 cm wide and upto 300 cm long
(C) The plywoods possess uniform tensile strength in all directions
(D) All the above
Answer: Option D (All the above)
Building Materials on prarocks
Q.NO 311) Jhumb bricks are
(A) Under burnt
(B) Over burnt
(C) Kutcha
(D) None of these
Answer: Option B (Over burnt)
Q.NO 312) Pick up the correct statement from the following:
(A) Steel produced by open hearth process is milder than that obtained by the Bessemer process
(B) Engineers prefer open hearth steel for structural purpose as it is more homogenous
(C) Basic Bessemer process is suitable for converting poor ore containing a large proportion of sulphur and phosphorus into steel
(D) All the above
Answer: Option D ( All the above)
Q.NO 313) Refractory bricks resist
(A) High temperature
(B) Chemical action
(C) Dampness
(D) All the above
Answer: Option A (High temperature)
Q.NO 314 ) The thermosetting plastic
(A) Becomes rigid when moulded at suitable pressure and temperature
(B) At 127°C to 177°C permanently set and further application of heat does not soften it
(C) Chars at 343°C
(D) All the above
Answer: Option D (All the above)
Q.NO 315) Commonly used thinner in
(A) Lacquer paints, is alcohol
(B) Cellulose paints is ethyl acetate
(C) Oil paints, is naphtha
(D) All the above
Answer: Option D (All the above)
Q.NO 316) The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner are known as
(A) Knots
(B) Rindgalls
(C) Burls
(D) None of these
Answer: Option B (Rindgalls)
Q.NO 317) Bitumen completely dissolves in
(A) Carbon bisulphide
(B) Chloroform
(C) Coal tar
(D) All of these
Answer: Option D (All of these)
Q.NO 318
A stone is rejected if it absorbs water more than
(A) 5 %
(B) 10 %
(C) 15 %
(D) 20 %
Answer: Option B (10 %)
Q.NO 319
The most commonly used synthetic abrasive is
(A) Aluminium carbide
(B) Boric acid
(C) Silicon
(D) All of these
Answer: Option D (All of these)
Q.NO 320)
During smelting process, the combination of fuel in the furnace
(A) Forms carbon dioxide
(B) Carbon dioxide with carbon forms carbon mono-oxide
(C) Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2
(D) All the above
Answer: Option D (All the above)
Q.NO 321
According to ISI, bitumen is classified into
(A) 2 grades
(B) 4 grades
(C) 8 grades
(D) 10 grades
Answer: Option D (10 grades)
Q.NO 322) Basalt is
(A) Sedimentary rock
(B) Metamorphic rock
(C) Extrusive igneous rock
(D) Intrusive igneous rock
Answer: Option C (Extrusive igneous rock)
Q.NO 323) The size of mould for bricks, is generally kept
(A) A little large to specified size
(B) A little small to specified size
(C) Equal to specified size
(D) 10% larger than specified size
Answer: Option A (A little large to specified size)
Q.NO 324) For construction of structures under water, the type of lime used, is
(A) Hydraulic lime
(B) Fat lime
(C) Quick lime
(D) Pure lime
Answer: Option A(Hydraulic lime)
Q.NO 325) French polish is
(A) Oil paint
(B) Distemper
(C) Spirit varnish
(D) None to these
Answer: Option C (Spirit varnish)
Q.NO 326) Ultimate strength to cement is provided by
(A) Tri-calcium silicate
(B) Di-calcium silicate
(C) Tri-calcium aluminate
(D) Tetra calcium alumino ferrite
Answer: Option B (Di-calcium silicate)
Q.NO 327) Wrought iron contains carbon about
(A) 1.5% to 5.5%
(B) 0.5% to 1.75%
(C) 0.1% to 0.25%
(D) None to these
Answer: Option C ( 0.1% to 0.25%)
Q.NO 328) Galvanising means covering iron with a thin coat of
(A) Tin
(B) Zinc
(C) Glaze
(D) Coal tar
Answer: Option B (Zinc)
Q.NO 329) The rocks in which argil (or clay) predominates, are called
(A) Siliceous rocks
(B) Argillaceous rocks
(C) Calcareous rocks
(D) Igneous rocks
Answer: Option B (Argillaceous rocks)
Q.NO 330) Name the type of cement from the following for canal linings:
(A) Sulphate resisting cement
(B) Rapid hardening cement
(C) Quick setting cement
(D) Pozzolana cement
Answer: Option A (Sulphate resisting cement)
Q.NO 331) Seasoning is
(A) A process of removing sap
(B) Creosoting
(C) Painting with sodium silicate
(D) Coating with tar
Answer: Option A (A process of removing sap)
Q.NO 332)
Soundness test of cement determines
(A) Quality of free lime
(B) Ultimate strength
(C) Durability
(D) Initial setting
Answer: Option A ( Quality of free lime)
Q.NO 333) Turpentine oil is used in paints as
(A) Thinner
(B) Vehicle
(C) Base
(D) Drier
Answer: Option A (Thinner)
Q.NO 334) Stucco paints are suitable for
(A) Stone masonry
(B) Brick walls
(C) Both (A) and (B)
(D) Neither (A) nor (B)
Answer: Option C (Both (A) and (B))
Building Materials imp mcq on prarocks
Q.NO 335) Stones used for ornamental work must be
(A) Soft
(B) Hard
(C) Light
(D) Heavy
Answer: Option A (Soft)
Q.NO 336) Lime stone is not a
(A) Sedimentary rock
(B) Stratified rock
(C) Aqueous rock
(D) Metamorphic rock
Answer:Option D (Metamorphic rock)
Q.NO 337) Pick up the correct statement from the following:
(A) The heating of a material to redness in contact with air, is known as calcination
(B) The property of lime by which it sets or hardens in damp places having no free circulation of air is called setting
(C) The product that remains after calcination of limestone, is called lime
(D) All the above
Answer: Option D (All the above)
Q.NO 338) Pick up the correct statement from the following:
(A) The average crushing strength of hand moulded bricks is 6000 t/m2
(B) The average tensile strength of hand moulded brick is 200 t/m2
(C) The average shearing strength of hand moulded brick is 600 t/m2
(D) All the above
Answer: Option D (All the above)
Q.NO 339
Snowcrete is one of the patent forms of
(A) Distempers
(B) Water proof cement paints
(C) Enamel paints
(D) Cellulose paints
Answer: Option B
Q.NO 340) Cast iron is used for
(A) Structural works in beams
(B) Small sized water pipes
(C) Columns and struts
(D) None to these
Answer: Option C (Columns and struts)
Q.NO 341
Pick up the correct statement from the following:
(A) The percentage of absorption for firebricks varies from 5 to 10
(B) The percentage of silica in silica bricks is to the extent of about 95 to 97 percent
(C) Roughly 1 to 2 percent of lime in silica bricks is added to act as binding material
(D) All the above
Answer: Option D (All the above)
Q.NO 342) Good quality cement contains higher percentage of ?
(A) Tri-calcium silicate
(B) Di-calcium silicate
(C) Tri-calcium aluminate
(D) Tetra calcium alumino ferrite
Answer: Option A ( Tri-calcium silicate)
Q.NO 343) Laterite is a/an ?
(A) Volcanic rock
(B) Argillaceous rock
(C) Calcareous rock
(D) Siliceous rock
Answer: Option B (Argillaceous rock)
Q.NO 344
Seasoning of timber is essential to remove
(A) Knots from timber
(B) Sap from timber
(C) Twisted fibre from timber
(D) Roughness of timber
Answer: Option B (Sap from timber)
Q.NO 345) The term frog means?
(A) An apparatus to lift the stone
(B) A depression on a face of brick
(C) Vertical joint in a brick work
(D) Soaking brick in water
Answer: Option B(A depression on a face of brick)
Q.NO 346) The presence of sand in brick earth prevents:
(A) Cracking of bricks
(B) Shrinkage of bricks
(C) Warping of bricks
(D) None of these
Answer: Option C (Warping of bricks)
Q.NO 347) Refractory bricks are
(A) Neutral refractory bricks
(B) Acid refractory bricks
(C) Basic refractory bricks
(D) All the above
Answer: Option D (All the above)
Building Materials
Q.NO 348
A prime coat is given to steel work with ?
(A) An oxide of iron paint
(B) A mixture of white lead and lead paint
(C) A special paint
(D) Cement paint
Answer: Option B (A mixture of white lead and lead paint)
Q.NO 349)
Teak wood is suitable for
(A) Sports articles
(B) Furnitures
(C) Railway sleepers
(D) All the above
Answer: Option B (Furnitures)
Q.NO 350) Elastomers can extend upto
(A) Five times their original dimensions
(B) Seven times their original dimensions
(C) Ten times their original dimensions
(D) Three times their original dimensions
Answer: Option C (Ten times their original dimensions)
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