Top 550+ Solved Building Materials MCQ Questions Answer
Q. The rocks which are formed due to pouring of magma at the earth's surface are called
a. Plutonic rocks
b. Hypabyssal rocks
c. Volcanic rocks
d. Igneous rocks
Q. Distemper is
a. A paint consisting of powdered chalk, pigments and water
b. A water proofing agent
c. A paint consisting of coloured cement and water
d. A drying agent
Q. The compound of Portland cement which reacts immediately with water and also sets first is
a. Tri-calcium silicate
b. Di-calcium silicate
c. Tri-calcium aluminate
d. Tetra calcium alumino ferrite
Q. In arches, stratified stones are placed so that their planes are
a. Parallel
b. Perpendicular
c. Radial
d. None of these
Q. Pick up the correct characteristic of Pyroxene from the following:
a. It forms octagonal crystals
b. It converts to chlorine by hydration
c. Its density is 2.3 to 3.6 g/cm2
d. All the above
Q. Slacking of lime is affected by
a. Keeping it exposed to air
b. Immersing the lime in water
c. Crushing the lime lumps
d. None of these
Q. Permanent magnets are made of high carbon steel and
a. 15% of cobalt
b. 20% of cobalt
c. 35% of cobalt
d. 45% of cobalt
Q. For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is
a. 80 : 13 : 7
b. 70 : 20 : 10
c. 60 : 35 : 5
d. None of these