Building Materials Mcqs
The normal consistency of ordinary Portland cement is about
A) 10 %
B) 20 %
C) 30 %
D) 40 %
Check Answer
C) 30 %
Plaster of Paris is obtained by calcining
A) Bauxite
B) Gypsum
C) Lime stone
D) None of these
Check Answer
B) Gypsum
The most commonly used base for timber painting, is
A) Red lead
B) Zinc white
C) White lead
D) Titanium white
Check Answer
C) White lead
Durability of building stone is affected by its
A) Chemical composition
B) Texture
C) Resistance to atmosphere
D) All the above
Check Answer
D) All the above
Slacking of lime is affected by
A) Keeping it exposed to air
B) Immersing the lime in water
C) Crushing the lime lumps
D) None of these
Check Answer
B) Immersing the lime in water
The fire clay contains pure
A) Lime
B) Oxide of iron
C) Hydrated aluminium silicate
D) Magnesium
Check Answer
C) Hydrated aluminium silicate
In arches, stratified stones are placed so that their planes are
A) Parallel
B) Perpendicular
C) Radial
D) None of these
Check Answer
C) Radial
Invar contains
A) 12% of nickel
B) 24% of nickel
C) 30% of nickel
D) 36% of nickel
Check Answer
D) 36% of nickel
The most durable varnish is
A) Water varnish
B) Spirit varnish
C) Turpentine varnish
D) Oil varnish
Check Answer
D) Oil varnish
A heavy stone is suitable for
A) Arches
B) Rubble masonry
C) Roads
D) Retaining walls
Check Answer
D) Retaining walls
