500 Best Building Materials MCQ
Q233). Cast iron is used for
a).structural works in beams
b).small sized water pipes
c).columns and struts
d).none to these.
Correct Answer:
columns and struts
Explanation:
Q234). Stainless steel resists corrosion due to
a).carbon
b).sulphur
c).vanadium
d).chromium
Correct Answer:
chromium
Explanation:
Q235). Commonly used thinner in
a).lacquer paints, is alcohol
b).cellulose paints is ethyle acetate
c).oil paints, is naptha
d).all the above.
Correct Answer:
all the above.
Explanation:
Q236). Good quality sand is never obtained from
a).river
b).nala
c).sea
d).gravel powder.
Correct Answer:
sea
Explanation:
Q237). Pick up the rock which is not a sedimentary rock from the following:
a).gravel
b).sand stone
c).gypsum
d).dolerite
Correct Answer:
dolerite
Explanation:
Q238). For a good building stone, its specific gravity should the greater than
a).1.5
b).1.7
c).2.2
d).2.7.
Correct Answer:
2.7.
Explanation:
Q239). Blister steel
a).is obtained by cementation process
b).is full of fissures and cavities
c).can not be forged
d).can be easily welded
Correct Answer:
can be easily welded
Explanation:
Q240). The most important constituent of varnish, is
a).drier
b).solvent
c).resin
d).all the above.
Correct Answer:
all the above.
Explanation: