Top 550+ Solved Building Materials MCQ Questions Answer
Q. The PVC doors and windows are preferred as they are
a. Rust proof
b. Rot proof
c. Water proof
d. All of these
Q. The sequence of refractory materials according to increasing melting points is:
a. Dolomite, Magnesia, Bauxite, Chromites
b. Bauxite, Chromites, Dolomite, Magnesia
c. Magnesia, Bauxite, Dolomite, Chromites
d. None of these
Q. Upto a maximum of 72% of iron, is available in
a. Magnetite
b. Limonite
c. Siderite
d. Iron pyrites
Q. Lime stones are generally known as
a. Aqueous rocks
b. Sedimentary rocks
c. Stratified rocks
d. All the above
Q. The property by virtue of which lime sets under water, is known as
a. Slacking
b. Setting
c. Hydraulicity
d. Calcining
Q. Porcelain is used as:
a. Sanitary wares
b. Electric insulators
c. Storage vessels
d. Reactor chambers
Q. The lime which contains high percentage of calcium oxide, is generally called
a. Fat lime
b. Rich lime
c. White lime
d. None of these
Q. Second class bricks
a. Are of dark brown colour
b. Produce a metallic sound when struck
c. Are well burnt
d. Are under burnt
Q. The variety of pig iron used for manufacture of wrought iron, is
a. Bessemer pig
b. Grey or foundry pig
c. White forge pig
d. Mottled pig
Q. Kaolin is chemically classified as
a. Metamorphic rock
b. Argillaceous rock
c. Calcareous rock
d. Siliceous rock
Q. The process of manufacturing steel by heating short lengths of wrought iron bars mixed withcharcoal in fire clay crucibles and collecting the molten iron into moulds, is known as
a. Cementation process
b. Crucible process
c. Bessemer process
d. Open hearth process