500 Best Concrete Technology- MCQ
Q89). The resistance of an aggregate to compressive forces is known as
a).crushing value
b).impact value
c).abrasion value
d).none of these
Correct Answer:
crushing value
Explanation:
Q90). The resistance of an aggregate to wear is known as
a).shear value
b).crushing value
c).abrasion value
d).impact value
Correct Answer:
abrasion value
Explanation:
Q91). The resistance of an aggregate to the effect of hydration of cement and weather is called
a).crushing value
b).impact value
c).abrasion value
d).Soundness
Correct Answer:
Soundness
Explanation:
Q92). Bulking of sand is
a).compacting of sand
b).segregating sand of particular size
c).Increase in volume of sand due to presence of moisture up to certain extent
d).none of the above
Correct Answer:
Increase in volume of sand due to presence of moisture up to certain extent
Explanation:
Q93). With the moisture content of 5 to 10 percent by weight, the bulking of sand is increased by
a).0.2
b).0.3
c).0.4
d).0.5
Correct Answer:
0.5
Explanation:
Q94). The ratio of the volume of moist sand to the volume of dry sand is known as
a).crushing value
b).impact value
c).bulking factor
d).none of these
Correct Answer:
bulking factor
Explanation:
Q95). The fineness modulus of an aggregate is roughly proportional to
a).specific gravity of the aggregate
b).shape of the aggregate
c).average size of particles in the aggregate
d).grading of aggregate
Correct Answer:
average size of particles in the aggregate
Explanation:
Q96). The value of fineness modulus for fine sand may range between
a).1.1 to 1.3
b).1.3 to 1.6
c).1.6 to 2.2
d).2.2 to 2.6
Correct Answer:
2.2 to 2.6
Explanation: