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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% | |
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 | |
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 | |
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 | |
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 | |
6. |
If_60%_aggregates_doesn’t_pass_through_the_2.36mm_sieve,_then_what_would_be_the_value_of_Aggregate_impact_value?$# |
A. | 60% |
B. | 40% |
C. | 25% |
D. | 100% |
Answer» C. 25% | |
7. |
What is the range of water absorption of aggregates used in road? |
A. | 2.5-2.9 |
B. | .1-2 |
C. | .1-2.5 |
D. | 2-2.9 |
Answer» C. .1-2.5 | |
8. |
Aggregates to be used for wearing course, the impact value shouldn’t exceed ________ percent.$ |
A. | 30 |
B. | 35 |
C. | 40 |
D. | 25 |
Answer» B. 35 | |
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 | |
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. | |
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 | |
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 | |
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 | |