Top 550+ Solved Building Materials MCQ Questions Answer
Q. 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
Q. 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
Q. The coefficient of hardness of stones used in road work should be greater than
a. 10
b. 12
c. 15
d. 17
Q. Manganese steels
a. Are non-magnetic
b. Possess high electrical resistance
c. Possess low coefficient of expansion
d. All the above
Q. The most commonly used base for timber painting, is
a. Red lead
b. Zinc white
c. White lead
d. Titanium white
Q. 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
Q. 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
Q. 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
Q. Polymerization helps to improve the property of
a. Strength
b. Rigidity
c. Elasticity
d. All of these
Q. 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
Q. 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
Q. The portion of the brick without a triangular corner equal to half the width and half the length, iscalled
a. Closer
b. Queen closer
c. King closer
d. Squint brick