Top 550+ Solved Building Materials MCQ Questions Answer
Q. Plywood is normally available
a. 1 mm thick
b. 2 mm thick
c. 2 to 3 mm thick
d. 3 mm to 4 mm thick
Q. Compared to mild steel, cast iron has (i) High compressive strength (ii) High tensile strength (iii) Low compressive strength (iv) Low tensile strengthThe correct answer is
a. (i) and (ii)
b. (ii) and (iii)
c. (iii) and (iv)
d. (i) and (iv)
Q. The vehicle used in case of enamel paints is usually
a. Linseed oil
b. Water
c. Varnish
d. None of the above
Q. In the method of condensation polymerization,
a. Low-molecular substances are removed from the high molecular substance
b. The reaction proceeds with an evolution of ammonia
c. The reaction proceeds with an evolution of hydrogen chloride
d. All of the above
Q. Which of the following represents a metamorphic rock? (i) Slate (ii) Shale (iii) Quartzite The correct answer is
a. Only (iii)
b. Both (i) and (iii)
c. Both (ii) and (iii)
d. All (i), (ii) and (iii)
Q. For the manufacture of Portland cement, the proportions of raw materials used, are
a. Lime 63% ; silica 22% ; other ingredients 15%
b. Lime 22% ; silica 63% ; other ingredients 15%
c. Silica 40% ; lime 40% ; other ingredients 20%
d. Silica 70% ; lime 20% ; other ingredients 10%
Q. Good quality stones must
a. Be durable
b. Be free from clay
c. Resist action of acids
d. All the above
Q. Specific gravity for most of the building stones lies between
a. 1.5 to 2.0
b. 2.0 to 2.5
c. 2.5 to 3.0
d. 3.0 to 3.5
Q. Initial setting time of cement for asbestos cement products should be not less than
a. 30 minutes
b. 50 minutes
c. 75 minutes
d. 90 minutes
Q. The age of a tree can be known by examining
a. Cambium layer
b. Annular rings
c. Medullary rays
d. Heart wood
Q. Pick up the correct statement from the following:
a. In basic Bessemer process, the steel heats the converter
b. In open-hearth process, the furnace heats the steel
c. In Siemens process, the impurities of pig iron are oxidised by the oxygen of the ore
d. All the above