Top 550+ Solved Building Materials MCQ Questions Answer
Q. A bull nose brick is not used for
a. Rounding off sharp corners
b. Pillars
c. Decoration purpose
d. Arches
Q. The most common admixture which is used to accelerate the initial set of concrete is
a. Gypsum
b. Calcium chloride
c. Calcium carbonate
d. None of the above
Q. Chlorite, a green colour mineral is mainly derived from the decomposition of
a. Augite
b. Biotite
c. Hornblende
d. All of these
Q. The ultimate tensile strength of structural mild steel is about
a. 160 N/mm²
b. 260 N/mm²
c. 420 N/mm²
d. 520 N/mm²
Q. Asbestos
a. Is a natural fibrous mineral substance
b. Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3)
c. Contains iron oxide and alumina
d. All the above
Q. A queen closer is a
a. Brick laid with its length parallel to the face or direction of wall
b. Brick laid with its breadth parallel to the face or direction of wall
c. Brick having the same length and depth as the other bricks but half the breadth
d. Brick with half the width at one end and full width at the other
Q. The vehicle used in bronze paints is usually
a. linseed oil
b. naptha
c. water
d. nitro-cellulose lacquer
Q. The base in a paint is added to
a. improve the quality of paint
b. make smooth surface
c. hide the surface to be painted
d. all of these
Q. The commonly used extender in a paint is
a. barium sulphate
b. gypsum
c. alcohol
d. any one of these
Q. Argillaceous rocks have their main constituent as
a. carbonates of lime
b. clay or alumina
c. silica or sand
d. all of these
Q. The commonly base used in a paint is
a. iron oxide
b. zinc oxide
c. titanium white
d. any one of these
Q. The compressive strength of paving bricks should not be less than
a. 20 MN/m2
b. 30 MN/m2
c. 40 MN/m2
d. 50 MN/m2
Q. Quick lime on reaction with water gives
a. hydraulic lime
b. slaked lime
c. hydrated lime
d. poor lime
Q. The compressive strength of granite is
a. 50 to 70 MN/m2
b. 70 to 130 MN/m2
c. 130 to 170 MN/m2
d. 170 to 200 MN/m2
Q. The timber whose thickness is less than 5 cm and the width exceeds 12 cm, is called a
a. board
b. plank
c. batten
d. log