Top 550+ Solved Building Materials MCQ Questions Answer
Q. Seasoning is
a. a process of removing sap
b. creosoting
c. painting with sodium silicate
d. Coating with tar.
Q. Rocks formed due to alteration of original structure due to heat and excessive pressure are
a. sedimentary rocks
b. igneous rocks
c. metamorphic rocks
d. none of these.
Q. The compound of Portland cement which contributes strength after two to three years is
a. Tricalcium silicate
b. Di-calcium silicate
c. Tricalcium aluminate
d. Tetra calcium alumina ferrite.
Q. 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.
Q. Bessemer process is used for the manufacture of
a. Pig iron
b. cast iron
c. Wrought iron
d. Steel.
Q. The portion of the brick without a triangular corner equal to half the width and half thelength, is called
a. closer
b. queen closer
c. king closer
d. Squint brick.
Q. The standard size of masonry bricks, is
a. 18 cm x 8 cm x 8 cm
b. 19 cm x 9 cm x 9 cm
c. 20 cm x 10 cm x 10 cm
d. 21 cm x 11 cm x 11 cm
Q. If the iron ore contains clay as an impurity, the flux added during calcination, is
a. clay
b. lime stone
c. argillaceous iron ore
d. all the above.
Q. Cast steel is manufactured by
a. Cementation process
b. Crucible process
c. Bessemer process
d. Open hearth process.
Q. 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more
a. 10%
b. 15%
c. 20%
d. 25%
Q. Geologically, marble is known as
a. sedimentary rock
b. igneous rock
c. metamorphic rock
d. Stratified rock.
Q. The commonly used drying oil for oil paints, is
a. olive oil
b. linseed oil
c. kerosene oil
d. accetate of lea