Top 550+ Solved Building Materials MCQ Questions Answer
Q. The variety of pig iron used for the manufacture of steel by Bessemer process, is
a. Bessemer pig
b. Grey pig
c. White forge pig
d. Mottled pig
Q. Vanadium steel is generally used for
a. Railway switches and crossing
b. Bearing balls
c. Magnets
d. Axles and springs
Q. A badly mixed cement concrete results in
a. Segregation
b. Bleeding
c. Honey combing
d. None of these
Q. Chemically, marble is known as
a. Metamorphic rock
b. Argillaceous rock
c. Calcareous rock
d. Siliceous rock
Q. The filler used in plastic bitumen, is
a. Shale powder
b. Talc powder
c. Asbestos powder
d. Plastic powder
Q. Mastic asphalt is generally used for
a. Damp proof course
b. Water proof layer
c. Partition walls
d. Both (A) and (B)
Q. The most fire resistant paints are:
a. Enamel paints
b. Aluminium paints
c. Asbestos paints
d. Cement paints
Q. A pug mill is used for
a. Softening brick earth
b. Moulding brick earth
c. Tempering brick earth
d. Providing brick earth
Q. A good brick earth should contain:
a. About 20% to 30% of alumina
b. About 50% to 60% of silica
c. Not more than 5% of lime
d. All the above
Q. The compound of Portland cement which contributes to the strength after two to three years is
a. Tri-calcium silicate
b. Di-calcium silicate
c. Tri-calcium aluminate
d. Tetra-calcium alumino ferrite
Q. Bessemer process is used for the manufacture of
a. Pig iron
b. Cast iron
c. Wrought iron
d. Steel
Q. Which one of the following is an air binding material?
a. Gypsum
b. Acid-resistant cement
c. Quick lime
d. All of these
Q. The slag which floats on the surface of the molten iron generally contains
a. Lime (CaO) 45%
b. Silica (SiO2) 35%
c. Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8%
d. All the above
Q. For the manufacture of plywood, veneers are placed so that grains of adjacent veneers
a. Run at right angles
b. Parallel
c. Inclined at 45°
d. Inclined at 60°