Top 550+ Solved Building Materials MCQ Questions Answer
Q. Pick up the correct statement from the following:
a. Catalysts are added to assist and accelerate the hardening of resin
b. The fillers are inert materials and they impart strength and hardness
c. Fibrous fillers increase thermal resistance
d. All the above
Q. A first class brick when immersed in cold water for 24 hours should not absorb water more than
a. 15 %
b. 20 %
c. 22 %
d. 25 %
Q. The minimum compressive strength of 2nd class bricks should be
a. 75 kg/cm2
b. 90 kg/cm2
c. 100 kg/cm2
d. 120 kg/cm2
Q. Which of the following bricks are used for lining of furnaces?
a. Over-burnt bricks
b. Under-burnt bricks
c. Refractory bricks
d. First class bricks
Q. According to IS specifications, the compressive strength of ordinary Portland cement after threedays should not be less than
a. 7 MPa
b. 11.5 MPa
c. 16 MPa
d. 21 MPa
Q. Pick up the correct statement from the following:
a. Plastics have generally low melting point
b. The coefficient of thermal expansion of plastics is about three times than that of steel
c. The acoustical boards prepared by impregnating fibre-glass with phenolic resins has absorption coefficient of about 0.67
d. All the above
Q. The amount of water used for one kg of distemper is
a. 0.2 liter
b. 0.4 liter
c. 0.6 liter
d. 0.8 liter
Q. Smith's test of stones is performed to find out
a. The presence of soluble matter of stone
b. The compressive strength of the stone
c. The hardness of the stone
d. The toughness of the stone
Q. The most important tool in brick laying for lifting and spreading mortar and for forming joints is
a. Trowel
b. Square
c. Bolster
d. Scutch
Q. Age of a tree may be ascertained by
a. Radius of its stem
b. Circumference of its stem
c. Number of branches
d. Number of annual rings
Q. Crushing strength of a good building stone should be more than
a. 50 MPa
b. 100 MPa
c. 150 MPa
d. 200 MPa