Building Material MCQ

 Building Material MCQ PART-10




Q.NO  451) Mild steel is used for ?
(A) Structural works in beams, joints and girders
(B) Small sized water pipes
(C) Columns and struts
(D) None of these







Answer: Option A (Structural works in beams, joints and girders)



 Q.NO  452) The most valuable timber may be obtained from ?
(A) Chir
(B) Shishum
(C) Sal
(D) Teak







Answer: Option D (Teak)


 Q.NO  453 Mastic asphalt is
(A) Acid resisting material
(B) Non-corrosive material
(C) Corrosive material
(D) Heating-resisting material





 Answer: Option B ( Non-corrosive material)

 Q.NO  454 For lime concrete,
(A) Slump is 50 to 75 mm
(B) Flexural strength at 90 days is 0.2 N/mm2
(C) Compressive strength at 90 days is 1.5 N/mm2
(D) All the above





Answer: Option D (All the above)




 Q.NO  455)
The material generally not used as extender in paints, is
(A) Powdered silica
(B) Gypsum
(C) Talc
(D) Zinc white





Answer: Option D (Zinc white)

 Q.NO  456)
Pick up the non-inflammable plastic from the following:
(A) Cellulose acetate plastics
(B) Polyvinyl chloride plastics
(C) Phenol formaldehyde plastic
(D) Urea formaldehyde plastic







 Answer: Option B ( Polyvinyl chloride plastics)



 Q.NO  457 )
For light and ornamental casting, the most unsuitable pig iron, is
(A) Bessemer pig
(B) Grey or foundry pig
(C) White or forge pig
(D) Mottled pig







Answer: Option D (Mottled pig)




 Q.NO  458)
If the ore impurities is
(A) Clay, lime stone is used as flux
(B) Lime stone, clay is used as flux
(C) Quartz, lime stone and argillaceous iron ores are used as flux
(D) All the above








 Answer: Option D (All the above)




 Q.NO  459)
The plastics prepared from Vinyl resin are ?
(A) Odourless
(B) Non-toxic
(C) Transparent
(D) All of these





Answer: Option D (All of these)


 Q.NO  460)
A rock contains only one mineral. It is called
(A) Homogeneous
(B) Non-homogeneous
(C) Monomineralic
(D) Polymineralic






 Answer: Option C (Monomineralic)


 Q.NO  461) Pegmatite is a/an
(A) Intrusive igneous rock
(B) Extrusive igneous rock
(C) Sedimentary rock
(D) Metamorphic rock







Answer: Option A ( Intrusive igneous rock)


 Q.NO  462)
Dorry's testing machine is used for ?
(A) Crushing test of stone
(B) Hardness test of stone
(C) Impact test of stone
(D) Water absorption test







 Answer: Option B (Hardness test of stone)


 Q.NO  463)
Dolomite is a lime stone which contains carbonate of magnesia upto ?
(A)  15 %
(B)  20 %
(C)  25 %
(D) 45 %






Answer: Option D (45 %)


 Q.NO  464) The portion of the brick cut across its width and having its length equal to that of a full brick, is known as?
(A) Closer
(B) Queen closer
(C) King closer
(D) Prince closer





 Answer: Option B (Queen closer)



 Q.NO 465) The minimum percentage of silica, alumina and ferric oxide in lime for white washing is?
(A) 20
(B) 15
(C) 5
(D) 0




Answer: Option D (0)

 Q.NO  466) For a 50 kg cement bag water required, is
(A) 16.5 litres
(B) 18.5 litres
(C) 20.5 litres
(D) 22.5 litres






Answer: Option D (22.5 litres)


 Q.NO  467)
Slump test for concrete is carried out, to determine
(A) Strength
(B) Durability
(C) Workability
(D) Water content







Answer: Option C (Workability)




 Q.NO  468) The frog of a brick is normally made on its
(A) Top face
(B) Bottom face
(C) Longer face
(D) Shorter side






Answer: Option A (Top face)

 Q.NO  469) Granite mainly composed of quartz and feldspar particles, is obtained from?
(A) Sedimentary rocks
(B) Metamorphic rocks
(C) Igneous rocks
(D) All the above







Answer: Option C (Igneous rocks)


 Q.NO  470) Pig iron obtained from the furnace which is properly provided with fuel at a very high temperature, is called?
(A) Bessemer pig
(B) Grey or foundry pig
(C) White or forge pig
(D) Mottled pig





Answer: Option B ( Grey or foundry pig)

 Q.NO  471) Pick up the metal refractory from the following:
(A) Molybdenum
(B) Tungsten
(C) Zirconium
(D) All of these







 Answer: Option D (All of these)

 Q.NO  472) With storage, strength of cement
(A) Increases
(B) Decreases
(C) Remains the same
(D) None to these





 Answer: Option B (Decreases)

 Q.NO  473) The commonly used raw material in the manufacture of cement, is
(A) Slate
(B) Sand stone
(C) Lime stone
(D) Basalt




Answer: Option C (Lime stone)

 Q.NO  474)
The rocks formed from molten magma, are called
(A) Sedimentary rocks
(B) Igneous rocks
(C) Metamorphic rocks
(D) None of these







Answer: Option B ( Igneous rocks)



 Q.NO  475) Bitumen paints offer
(A) Pleasing surface
(B) Hard surface
(C) Smooth surface
(D) Protective surface







 Answer: Option D (Protective surface)


 Q.NO  476) Ground glass
(A) Is made by grinding its one side
(B) Is made by melting powdered glass paints surface
(C) Is used for getting light without transparency
(D) All the above






Answer: Option D (All the above)


 Q.NO  477) The wedging is adopted for quarrying costly stratified rock such as
(A) Laterite
(B) Marble
(C) Limestone
(D) All the above







Answer: Option D (All the above)



 Q.NO  478)
The colour of statuary marble used for sculptor's work, is
(A) Red
(B) Blue
(C) White
(D) Green





 Answer: Option C (White)




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