500 Best Concrete Technology- MCQ
Q57). Vicat’s apparatus is used to perform
a).fineness test
b).soundness test
c).consistency test
d).compressive strength test
Correct Answer:
consistency tes
Explanation:
Q58). The knowledge of a standard consistency of a cement paste is essential to perform
a).setting time test
b).soundness test
c).compressive strength test
d).all of these
Correct Answer:
all of these
Explanation:
Q59). In vicat’s apparatus, the diameter of vicat plunger is
a).5 mm
b).10 mm
c).15 mm
d).20 mm
Correct Answer:
10 mm
Explanation:
Q60). The length of vicat plunger in vicat’s apparatus varies from
a).20 to 30 mm
b).30 to 40 mm
c).40 to 50 mm
d).50 to 60 mm
Correct Answer:
40 to 50 mm
Explanation:
Q61). The percentage of water for making the cement paste of normal consistency varies from
a).15 to 25 %
b).25 to 35 %
c).35 to 50 %
d).50 to 60 %
Correct Answer:
25 to 35 %
Explanation:
Q62). To perform the initial setting time test, the water is added to the cement paste at the rate of ……… by weight of cement, where P = percentage of water required for normal consistency of paste.
a).0.72P
b).0.78P
c).0.85P
d).0.95P
Correct Answer:
0.85P
Explanation:
Q63). Le-chatelier apparatus is used to perform
a).fineness test
b).soundness test
c).consistency test
d).compressive strength test
Correct Answer:
soundness test
Explanation:
Q64). To perform the compressive strength test of cement, water is added at the rate of
a).0.72P + 3 percent of water
b).0.85P + 4 percent of water
c).P + 3 percent of water
d).P + 4 percent of water
Correct Answer:
P + 3 percent of water
Explanation: