Explore topic-wise MCQs in Concrete Technology.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Concrete Technology knowledge and support exam preparation. Choose a topic below to get started.

1.

If 60% aggregates doesn’t pass through the 2.36mm sieve, then what would be the value of Aggregate impact value?

A. 60%
B. 40%
C. 25%
D. 100%
Answer» C. 25%
Discussion
2.

The loss in weight should not exceed ______________ percent when tested with sodium sulphate and ________ percent with magnesium sulphate solution.

A. 12, 18
B. 18, 12
C. 10, 15
D. 15, 10
Answer» B. 18, 12
Discussion
3.

Aggregates to be used for wearing course, the impact value shouldn’t exceed ________ percent.

A. 30
B. 35
C. 40
D. 25
Answer» B. 35
Discussion
4.

Which machine is preferred for abrasion test?

A. Vicat’s mould
B. Los Angeles
C. Flakiness Gauge
D. Elongation Gauge
Answer» C. Flakiness Gauge
Discussion
5.

THE_LOSS_IN_WEIGHT_SHOULD_NOT_EXCEED________________PERCENT_WHEN_TESTED_WITH_SODIUM_SULPHATE_AND__________PERCENT_WITH_MAGNESIUM_SULPHATE_SOLUTION.?$

A. 12, 18
B. 18, 12
C. 10, 15
D. 15, 10
Answer» B. 18, 12
Discussion
6.

If_60%_aggregates_doesn’t_pass_through_the_2.36mm_sieve,_then_what_would_be_the_value_of_Aggregate_impact_value?$#

A. 60%
B. 40%
C. 25%
D. 100%
Answer» C. 25%
Discussion
7.

What is the range of water absorption of aggregates used in road?

A. 2.5-2.9
B. .1-2
C. .1-2.5
D. 2-2.9
Answer» C. .1-2.5
Discussion
8.

Aggregates to be used for wearing course, the impact value shouldn’t exceed ________ percent.$

A. 30
B. 35
C. 40
D. 25
Answer» B. 35
Discussion
9.

A maximum value of _________ percent is allowed for WBM base course in Indian conditions.

A. 25
B. 35
C. 40
D. 50
Answer» D. 50
Discussion
10.

Los Angeles machine consists of circular drum of internal diameter ________ mm and length ________ mm.

A. 700, 700
B. 520, 520
C. 520, 700
D. 700, 520
Answer» E.
Discussion
11.

A value less than 10 signifies an exceptionally _________ while above 35 would normally be regarded as _________

A. Strong aggregates, weak aggregates
B. Weak aggregates, strong aggregates
C. Strong aggregates, strong aggregates
D. Weak aggregates, weak aggregates
Answer» B. Weak aggregates, strong aggregates
Discussion
12.

According to IS: 2386 part-IV, each layer is tamped ________ times in crushing test.

A. 20
B. 25
C. 30
D. 10
Answer» C. 30
Discussion
13.

In crushing test, dry aggregates passing through ________ mm sieve and retained ________ mm in a cylinder.

A. 12.5, 10
B. 11.5, 10
C. 12.5, 11.5
D. 10, 2.36
Answer» B. 11.5, 10
Discussion