Top 550+ Solved Building Materials MCQ Questions Answer
Q. Paints with white lead base are suitable for painting of
a. Wood work
b. Iron work
c. Both wood work and iron work
d. None of the above
Q. For a good building stone, its specific gravity should the greater than
a. 1.5
b. 1.7
c. 2.2
d. 2.7
Q. Sandstone is a (i) Sedimentary rock (ii) Aqueous rock (iii) Siliceous rock The correct answer is
a. Only (i)
b. Both (i) and (ii)
c. Both (i) and (iii)
d. All (i), (ii) and (iii)
Q. The rocks having alumina or clay as their major constituents are known as
a. Siliceous rocks
b. Argillaceous rocks
c. Calcareous rocks
d. Sedimentary rocks
Q. The practical limit of moisture content achieved in air drying of timber is
a. 5 %
b. 15 %
c. 25 %
d. 35 %
Q. Glazing of clay products, is done
a. To improve their appearance
b. To protect them from atmospheric effect
c. To protect them from corrosive action
d. All the above
Q. Study the following statements. (i) Hydraulic lime is suitable for white washing, (ii) Fat lime is suitable for whitewashing, (iii) Hydraulic lime is suitable for making mortar, (iv) Fat lime is suitable for making mortar. The correct answer is
a. (i) and (iv)
b. (ii) and (iii)
c. (i) and (ii)
d. (iii) and (iv)
Q. The yield strength and tensile strength of low carbon steel may be improved by the addition of
a. Manganese
b. Chromium
c. Nickel
d. Vanadium
Q. Three basic raw materials which are needed in large quantities for production of steel are
a. Iron ore, coal and sulphur
b. Iron ore, carbon and sulphur
c. Iron ore, coal and lime stone
d. Iron ore, carbon and lime stone
Q. To give a brilliant finish, the type of varnish used, is
a. Water varnish
b. Spirit varnish
c. Turpentine varnish
d. Oil varnish
Q. Which of the following should be used for hearting of thicker walls?
a. Headers
b. Stretchers
c. Brick bats
d. Queen closer
Q. Asbestos
a. Is an excellent insulator for heat and electricity
b. Is fire-proof and acid proof
c. Has sp. gravity equal to 3.10
d. All the above
Q. Pick up the correct statement from the following:
a. Blisters in the finished wrought iron, are caused due to the reaction between oxide of iron and carbon
b. The edges of a finished wrought iron are rough due to red shortage
c. Pig iron (charcoal) is manufactured from magnetic ore (Fe3O4)
d. All the above