500 Best Building Materials MCQ
Q153). 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.
Correct Answer:
strip.
Explanation:
Q154). Pig iron is manufactured from the ores by
a).dressing
b).calcination and roasting
c).smelting
d).all the above.
Correct Answer:
all the above.
Explanation:
Q155). Quick lime
a).generates heat when added to water
b).reacts with carbon dioxide
c).may be used for white-washing
d).all the above.
Correct Answer:
all the above.
Explanation:
Q156). Age of a tree may be ascertained by
a).radius of its stem
b).circumference of its stem
c).number of branches
d).number of annual rings.
Correct Answer:
number of annual rings.
Explanation:
Q157). 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.
Correct Answer:
squint brick.
Explanation:
Q158). Pick up the correct statement from the following:
a).Slaked lime contains calcium hydroxide
b).Quick lime contains calcium oxide
c).Slaked lime may be obtained from quick lime
d).all the above.
Correct Answer:
all the above.
Explanation:
Q159). Plywood is obtained by gluing wooden sheets at
a).100 to 150 N/cm
b).100 to 130°C
c).both (a) and (b)
d).Neither (a) nor (b).
Correct Answer:
both (a) and (b)
Explanation:
Q160). The low voltage porcelain is mainly used for
a).switch block
b).insulating tubes
c).lamp sockets
d).All of these.
Correct Answer:
All of these.
Explanation: