Building Material MCQ

Building Material MCQ PART-5






 Q.NO  201) The commonly used lime in white washing, is ?

(A) White lime
(B) Fat lime
(C) Hydraulic lime
(D) Quick lime





Answer: Option B ( Fat lime)


 Q.NO  202) For slaking of 10 kg of CaO, the theoretical amount of water is ?
(A) 2.2 kg
(B) 1.5 kg
(C) 3.2 kg
(D) None of these






 Answer: Option C (3.2 kg)



 Q.NO  203) Plywood is made from ?
(A) Common timber
(B) Bamboo fibre
(C) Teak wood only
(D) Asbestos sheets




Answer: Option C (Teak wood only)

Civil engineering Building Materials gupta

 Q.NO  204
A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than
(A)  10 %
(B)  15 %
(C)  20 %
(D) 25  %



 Answer: Option C ( 20 %)

 Q.NO  205) The preparation of surface of stone to obtain plain edges or to obtain stones of required size and shape is known as ?
(A) Quarrying of stones
(B) Blasting of stones
(C) Seasoning of stones
(D) Dressing of stones



 Answer: Option D (Dressing of stones)


 Q.NO  206) The hardest rock is ?
(A) Marble
(B) Diamond
(C) Talc
(D) Quartz


Answer: Option B (Diamond)

 Q.NO  207 Wrought iron is used for  ?
(A) Structural works in beams
(B) Small sized water pipes
(C) Columns and struts
(D) None to these




Answer: Option B ( Small sized water pipes)

 Q.NO  208 ) Pick up the correct statement from the following:
(A) Corrugated sheet iron is made by passing plain sheets between grooved rollers
(B) Strength and stiffness of corrugated sheets are considerably increased
(C) Corrugated sheets are generally used on slanting roofs
(D) All the above









 Answer: Option D (All the above)


 Q.NO  209) The process of mixing clay, water and other ingredients to make brick is known as
(A) Kneading
(B) Moulding
(C) Pugging
(D) Drying








 Answer: Option A (Kneading)

 Q.NO  210) The type of steel used for precision levelling staff, is ?
(A) Titanium steel
(B) Carbon steel
(C) Invar
(D) Stainless steel








Answer: Option C (Invar)



 Q.NO  211) Formula for quick lime, is ?
(A) CaCO3
(B) Ca(OH)2
(C) CO3CO2
(D) None to these








Answer: Option A (CaCO3)

 Q.NO  212) The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called ?

(A) Cementation process
(B) Crucible process
(C) Bessemer process
(D) Open hearth process








 Answer: Option A (Cementation process)


 Q.NO  213) The maximum quantity of calcium chloride used as an accelerator in cement in percentage by weight of cement is  ?
(A) 1
(B) 2
(C) 3
(D) 4






Answer: Option B (2)

 Q.NO  214) Which one of the following polymers is obtained from condensation polymerization ?
(A) Phenol formaldehyde
(B) Carbamide
(C) Melamine-formaldehyde
(D) All of these







Answer: Option D (All of these)

 Q.NO  215) The portion of a brick cut to form angles other than right angles in plan, is known as ?
(A) Queen closer
(B) King closer
(C) Closer
(D) Squint brick







Answer: Option D (Squint brick )





 Q.NO  216) The moisture content in a well seasoned timber is ?
(A)  4 % to 6 %
 (B) 10 % to 12 %
(C) 15 % to 20 %
(D) 100 %






Answer: Option B (10 % to 12 %)

 Q.NO  217) The cement becomes unsound by the presence of excess ?
(A) Sulphur
(B) Magnesia
(C) Lime
(D) All of these





Answer: Option D (All of these)



 Q.NO  218) For one cubic metre of brick masonry, number of bricks required, is  ?
(A) 400
(B)  425
(C)  450
(D) 500





Answer: Option D(500)

soln- (1m3/0.2*0.1*0.1)  = 500



 Q.NO  219) Rapid hardening cement contains ?
(A) Tri-calcium silicate
(B) Tri-calcium aluminate
(C) Tetra-calcium alumino-ferrite
(D) Di-calcium silicate






Answer: Option A (Tri-calcium silicate)

 Q.NO  220) In order of increasing percentage of silica, the correct sequence is ?
(A) Sandy clay, calcareous clay, pure clay
(B) Calcareous clay, pure clay, sandy clay
(C) Pure clay, sandy clay, calcareous clay
(D) None of these







 Answer: Option B (Calcareous clay, pure clay, sandy clay)



 Q.NO  221) Which of the following timbers is suitable for making sports goods ?
(A) Mulberry
(B) Mahogany
(C) Sal
(D) Deodar






Answer: Option A (Mulberry)

 Q.NO  222) The stones obtained by blasting are used as ?
(A) Ballast in railways
(B) Aggregates for concrete
(C) Road metal
(D) All the above



Answer: Option D (All the above)

 Q.NO  223) Pick up the correct statement from the following:

(A) Acid test is done to find out the weathering quality of stones

(B) Attrition test is done to find out the rate of wear of stones which are used in road construction
(C) Crushing test is done to find out the compressive strength of the stone
(D) All the above






Answer: Option D ( All the above)



 Q.NO  224 Mastic asphalt is ?
(A) Water proof
(B) Fire proof
(C) Elastic
(D) All the above





 Answer: Option D (All the above)

 Q.NO  225) Pick up the correct statement from the following:
(A) Lime is available in Free State
(B) Lime is available by dissolving calcium carbonate in water
(C) Lime is available by calcining calcium carbonate at 900°C
(D) Lime is nothing but calcium chloride








 Answer: Option C (Lime is available by calcining calcium carbonate at 900°C)

 Q.NO  226) The frog of the brick in a brick masonry is generally kept on ?
(A) Bottom face
(B) Top face
(C) Shorter side
(D) Longer side







Answer: Option B (Top face)

 Q.NO  227) Pick up the correct statement from the following:
(A) Roasting is not necessary if iron ore is an oxide
(B) Impurities float on the molten iron as slag
(C) The slag contains lime about 45%
(D) All the above







Answer: Option D ( All the above)

 Q.NO  228
For obtaining vinyl chloride acetate, the method used, is
(A) Addition polymerization
(B) Condensation polymerization
(C) Co-polymerization
(D) None of these







Answer: Option C

 Q.NO  229) Whitworth compressed steel is obtained when molten steel is subjected to a pressure of ?
(A) 5 kg/mm2
(B) 9 kg/mm2
(C) 13 kg/mm2
(D) 15 kg/mm2







Answer: Option B ( 9 kg/mm2)

 Q.NO  230)The normal consistency of ordinary Portland cement is about?
(A)  10 %
(B)  20 %
(C)  30 %
(D) 40  %






Answer: Option C (30 %)

 Q.NO  231 Lacquer is ?
(A) Oil paint
(B) Distemper
(C) Spirit varnish
(D) None to these






Answer: Option C (Spirit varnish)



 Q.NO  232) Plaster of Paris is obtained by calcining ?
(A) Bauxite
(B) Gypsum
(C) Lime stone
(D) None of these








 Answer: Option B (Gypsum)




Gupta and Gupta Building Materials

 Q.NO  233) Pick up the correct statement from the following?
(A) The lime in excess makes the cement unsound and causes the cement to expand and disintegrate
(B) The silica in excess makes the cement stronger but its setting time also increases
(C) The excess amount of alumina weakens the cement
(D) All the above







Answer: Option D (All the above)




 Q.NO  234 Priming consists of ?
(A) One part of white lead, 8 parts of chalk and four parts of twice boiled linseed oil
(B) 8 parts of white lead, one part of chalk and four parts of twice boiled linseed oil
(C) One part of white lead, 8 parts of chalk and one part of linseed oil
(D) None to these




 Answer: Option A (One part of white lead, 8 parts of chalk and four parts of twice boiled linseed oil)



 Q.NO  235) The coefficient of hardness of stones used in road work should be greater than ?
(A) 10
(B) 12
(C) 15
(D) 17



Answer: Option D  (17)

 Q.NO  236 Manganese steels ?
(A) Are non-magnetic
(B) Possess high electrical resistance
(C) Possess low coefficient of expansion
(D) All the above







 Answer: Option (D) All the above

 Q.NO  237) The most commonly used base for timber painting, is
(A) Red lead
(B) Zinc white
(C) White lead
(D) Titanium white









Answer: Option (C) White lead



 Q.NO  238) Pick up the correct statement from the following:
(A) Adding 5% to 6% of moisture content by weight, increases the volume of dry sand from 18% to 38%
(B) The bulking of fine sand is more than that of coarse sand
(C) If the percentage content of moisture exceeds 10%, increase in bulk of sand starts increasing
(D) All the above






 Answer: Option D (All the above)

 Q.NO  239) Pick up the correct statement from the following:
(A) For thin structures subjected to wetting and drying, the water cement ratio should be 0.45
(B) For mass concrete structures subjected to wetting and drying, the water ratio should be 0.55
(C) For thin structures which remain continuously under water, the water-cement ratio by weight should be 0.55
(D) All the above






 Answer: Option D (All the above)

 Q.NO  240 Quartzite is a
(A) Metamorphic rock
(B) Argillaceous rock
(C) Calcareous rock
(D) Siliceous rock






Answer: Option D

 Q.NO  241) The plastics made from cellulose resin ?
(A) Are as clear as glass
(B) Are tough and strong
(C) Possess excellent electrical properties
(D) All the above






 Answer: Option D (All the above)

 Q.NO  242) Polymerization helps to improve the property of ?
(A) Strength
(B) Rigidity
(C) Elasticity
(D) All of these






 Answer: Option D (All the above)

 Q.NO  243) For filling cracks in masonry structures, the type of bitumen used, is ?
(A) Cut-back bitumen
(B) Bitumen-emulsion
(C) Blown bitumen
(D) Plastic bitumen







Answer: Option D (Plastic bitumen)


 Q.NO  244) Expanded metal is ?
(A) Manufactured from steel sheets
(B) Used for reinforced concrete in road pavements
(C) Measured in term of SWM (short way mesh) and LWM (long way mesh)
(D) All the above







 Answer: Option D ( All the above)

 Q.NO  245 ) Pick up the plutonic rock from the following:
(A) Granite
(B) Dolerite
(C) Basalt
(D) All the above







 Answer: Option A (Granite)



 Q.NO  246) The portion of the brick without a triangular corner equal to half the width and half the length, is called ?
(A) Closer
(B) Queen closer
(C) King closer
(D) Squint brick







 Answer: Option C (King closer)



 Q.NO  247) Cement is said to be of good quality if ?
(A) Its colour is not greenish grey
(B) One feels cool by thrusting one's hand in the cement bag
(C) A handful of cement thrown into a bucket of water does not float
(D) None of these








Answer: Option D ( None of these)





 Q.NO  248) The silica is used for preparing ?
(A) Silica bricks
(B) Coke oven
(C) Lining for glass furnaces
(D) All of these








Answer: Option D ( All of these)



 Q.NO  249) The timber having maximum resistance against white ants, is obtained from ?
(A) Chir
(B) Shishum
(C) Sal
(D) Teak






Answer: Option B (Shishum)

 Q.NO  250) Duco is one of the patent forms of ?
(A) Emulsion paints
(B) Plastic paints
(C) Bituminous paints
(D) Cellulose paints






 Answer: Option D (Cellulose paints)







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