500 Best Building Materials MCQ
Q33). Galvanising means covering iron with a thin coat of
a).tin
b).zinc
c).glaze
d).coal tar.
Correct Answer:
zinc
Explanation:
Q34). For preparing porcelains, the clay should be
a).sufficiently pure
b).of high degree of tanacity
c).of good plasticity
d).All the above.
Correct Answer:
All the above.
Explanation:
Q35). Polymerization helps to improve the property of
a).strength
b).rigidity
c).elasticity
d).all of these.
Correct Answer:
all of these.
Explanation:
Q36). Good quality stones must
a).be durable
b).be free from clay
c).resist action of acids
d).all the above.
Correct Answer:
all the above.
Explanation:
Q37). Sewer pipes are made of
a).earthen ware
b).stone ware
c).refractory clay
d).terracota
Correct Answer:
stone ware
Explanation:
Q38). Fibre glass
a).retains heat-longer
b).has a higher strength to weight ratio
c).is shock proof and fire retardent
d).all the above.
Correct Answer:
all the above.
Explanation:
Q39). Pick up the correct statement from the following:
a).The theory of formation of concrete is based on the phenomena of formation of voids
b).The bulking of sand is taken into account while volumetric proportioning of the aggregates
c).The dry sand and the sand completely flooded with water, have practically the same volume
d).all the above.
Correct Answer:
all the above.
Explanation:
Q40). Pick up the correct statement from the following:
a).In stone arches, the stones are placed with their natural beds radial
b).In cornices, the stones are placed with their natural beds as vertical
c).In stone walls, the stones are placed with their natural beds as horizontal
d).All the above.
Correct Answer:
All the above.
Explanation: