500 Best Concrete Technology- MCQ
Q73). The maximum particle size of coarse aggregate is
a).45 mm
b).55 mm
c).65 mm
d).75 mm
Correct Answer:
75 mm
Explanation:
Q74). The maximum particle size of fine aggregate is
a).2.5 mm
b).4.75 mm
c).5.85 mm
d).6.5 mm
Correct Answer:
4.75 mm
Explanation:
Q75). The aggregate which pass through 4.75 mm IS sieve and entirely retain on 75 micron IS sieve is called
a).cyclopean aggregate
b).coarse aggregate
c).fine aggragate
d).all in aggregate
Correct Answer:
fine aggragate
Explanation:
Q76). The minimum particle size of coarse aggregate is
a).2.5 mm
b).4.75 mm
c).5.85 mm
d).6.5 mm
Correct Answer:
4.75 mm
Explanation:
Q77). The minimum particle size of fine aggregate is
a).0.0075 mm
b).0.075 mm
c).0.75 mm
d).0.95 mm
Correct Answer:
0.075 mm
Explanation:
Q78). The aggregate of ……… shape have minimum voids
a).Irregular
b).Angular
c).Rounded
d).Flaky
Correct Answer:
Rounded
Explanation:
Q79). The aggregate of ……… shape have maximum voids
a).Irregular
b).Angular
c).Rounded
d).Flaky
Correct Answer:
Angular
Explanation:
Q80). The aggregate is said to be flaky when
a).its least dimension is three fifth of its mean dimension
b).its least dimension is equal to its mean dimension
c).its length is equal to its mean dimension
d).its length is equal to 1.8 times its mean dimension
Correct Answer:
its least dimension is three fifth of its mean dimension
Explanation: