500 Best Building Materials MCQ
Q345). Durability of building stone is affected by its
a).chemical composition
b).texture
c).resistance to atmosphere
d).All of the above.
Correct Answer:
All of the above.
Explanation:
Q346). Magnese steels
a).are non-magnetic
b).possess high electrical resistance
c).possess low coefficient of expansion
d).All of the above.
Correct Answer:
All of the above.
Explanation:
Q347). Pick up the metal refractory from the following:
a).Molyblendum
b).Tungsten
c).Zicronium
d).All of the above.
Correct Answer:
All of the above.
Explanation:
Q348). According to IS 399-1963, the weight of the timber is specified at
a).8% moisture content
b).10% moisture content
c).12% moisture content
d).14% moisture content.
Correct Answer:
12% moisture content
Explanation:
Q349). The size of mould for bricks, is generally kept
a).a little large to specified size
b).a little small to specified size
c).equal to specified size
d).10% larger than specified size
Correct Answer:
a little large to specified size
Explanation:
Q350). Most commonly used solvent in oil paints, is
a).petroleum
b).spirit
c).coaltar
d).turpentine.
Correct Answer:
petroleum
Explanation:
Q351). Acrylic sheets
a).possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness
b).are generally unaffected by most household detergents
c).possess the light transmission rate of 93%
d).All of the above.
Correct Answer:
All of the above.
Explanation:
Q352). With storage, strength of cement
a).increases
b).decreases
c).remains the same
d).none to these.
Correct Answer:
decreases
Explanation: