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. Mastic asphalt is normally used for
a. sound insulation
b. water proofing
c. fire proofing
d. none to these.
Q. A piece of timber whose thickness and width are respectively 5 cm and 10 cm is called
a. slate
b. plank
c. board
d. Strip.
Q. Pig iron is manufactured from the ores by
a. dressing
b. calcination and roasting
c. smelting
d. all the above.
Q. The maximum permissible colour for domestic supplies based on cobalt scale, is
a. 5 ppm
b. 10 ppm
c. 15 ppm
d. 20 ppm
Q. The portion of a brick cut to form angles other than right angles in plan, is known as
a. queen closer
b. king closer
c. closer
d. squint brick.
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. Putty is
a. made with finely powdered chalk and linseed oil
b. used for fixing glass panes
c. softened by a solution of pearl ash and quick-lime soaked in water
d. all the above.
Q. PVC stands for
a. plastic very compact
b. polythene vinyl chloride
c. polythene vinyl carbon
d. polythene vanadium carbide.
Q. The cement becomes unsound by the presence of excess
a. sulphur
b. magnesia
c. lime
d. All of these.
Q. A volatile substance added to a paint to make its application easy and smooth, is known as
a. base
b. solvent
c. vehicle
d. none to these.