500 Best Building Materials MCQ
Q281). The most valuable timber may be obtained from
a).chir
b).shisham
c).sal
d).teak.
Correct Answer:
teak.
Explanation:
Q282). 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 (FeO)
d).For the manufacture of wrought iron, non-sulphurous fuel is not necessary
Correct Answer:
For the manufacture of wrought iron, non-sulphurous fuel is not necessary
Explanation:
Q283). Pick up the compound responsible for early strength of cement from the following:
a).Tetra-calcium alumino-ferrite
b).Tricalcium silicate
c).Tricalcium aluminate
d).Dicalcium silicate.
Correct Answer:
Tricalcium silicate
Explanation:
Q284). Mastic asphalt is
a).acid resisting material
b).non-corrosive material
c).corrosive material
d).heating-resisting material.
Correct Answer:
non-corrosive material
Explanation:
Q285). Which one of the following is used for preparing porcelain
a).clay
b).feldspar
c).quartz
d).All the above.
Correct Answer:
All the above.
Explanation:
Q286). The commonly used base for iron and steel work, is
a).red lead
b).zinc white
c).white lead
d).titanium white.
Correct Answer:
red lead
Explanation:
Q287). Laterite is found in
a).U.P.
b).Punjab
c).West Bengal
d).Kerala.
Correct Answer:
U.P.
Explanation:
Q288). Lacquer is
a).oil paint
b).distemper
c).spirit varnish
d).none to these.
Correct Answer:
spirit varnish
Explanation: