Top 550+ Solved Building Materials MCQ Questions Answer
Q. Pozzolana (or surkhi) is used in lime
a. To impart hydraulicity
b. To prevent shrinkage
c. To decrease the cost of construction
d. To decrease the setting time
Q. The size of modular bricks, is
a. 10 × 10 × 9 cm
b. 19 × 9 × 9 cm
c. 22.5 × 10 × 8.5 cm
d. 22.5 × 8.0 × 9 cm
Q. Plywood is obtained by gluing wooden sheets at
a. 100 to 150 N/cm2
b. 100 to 130°C
c. Both (A) and (B)
d. Neither (A) nor (B)
Q. The low voltage porcelain is mainly used for
a. Switch block
b. Insulating tubes
c. Lamp sockets
d. All of these
Q. The initial setting time of hydraulic lime, is
a. 30 minutes
b. 60 minutes
c. 90 minutes
d. 120 minutes
Q. PVC stands for
a. Plastic very compact
b. Polythene vinyl chloride
c. Polythene vinyl carbon
d. Polythene vanadium carbide
Q. Cement paints usually
a. Contain hydrated lime
b. Contain 5% to 10% colour pigments
c. Contain 5% sodium chloride
d. All the above
Q. The kiln which may work throughout the year, is
a. Clamp
b. Bull's kiln
c. Hoffman's kiln
d. None of these
Q. In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the planeof bedding is
a. Right angles
b. 45°
c. 60°
d. Parallel
Q. The most durable varnish is
a. Water varnish
b. Spirit varnish
c. Turpentine varnish
d. Oil varnish
Q. Softer variety of steel may be obtained by
a. Cementation process
b. Crucible process
c. Bessemer process
d. Open hearth process
Q. Bitumen emulsion is
a. A liquid containing bitumen in suspension
b. A paint
c. Used as anti-corrosive paint
d. All the above
Q. Plastic bitumen is generally used for
a. Road pavements
b. Expansion joints
c. Crack fillings
d. None to these
Q. Asbestos is
a. Corrugated sheet used for roofing
b. An incombustible fire proof material
c. An organic substance
d. All the above