Concrete Technology Questions and Answers – Mechanical Properties of Aggregates

This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on “Mechanical Properties of Aggregates”.

1. What is A in the following figure?
A is loading for graph of aggregates for stress vs strain in which stress is increasing
a) Unloading
b) Loading
c) Permanent strain unrecovered
d) Resilient strain recovered
View Answer

Answer: b
Explanation: According to Highway Construction and Maintenance, they prepared a graph of aggregates for stress vs strain in which stress is increasing wrt strain at first i.e. loading.

2. What is B in the following figure?
A is loading for graph of aggregates for stress vs strain in which stress is increasing
a) Unloading
b) Loading
c) Permanent strain unrecovered
d) Resilient strain recovered
View Answer

Answer: a
Explanation: According to Highway Construction and Maintenance, they prepared a graph of aggregates for stress vs strain in which stress is decreasing wrt strain after a period of time i.e. unloading.

3. From the graph below, what is C?
C is permanent strain unrecovered for graph of aggregates for stress vs strain
a) Unloading
b) Loading
c) Permanent strain unrecovered
d) Resilient strain recovered
View Answer

Answer: c
Explanation: According to Highway Construction and Maintenance, they prepared a graph of aggregates for stress vs strain in which they came to a conclusion C is Permanent strain unrecovered.
advertisement
advertisement

4. From the graph below, what is D?
C is permanent strain unrecovered for graph of aggregates for stress vs strain
a) Unloading
b) Loading
c) Permanent strain unrecovered
d) Resilient strain recovered
View Answer

Answer: d
Explanation: According to Highway Construction and Maintenance, they prepared a graph of aggregates for stress vs strain, where D is resilient strain recovered.

5. A maximum value of ___ percent is allowed for WBM base course in Indian conditions.
a) 25
b) 35
c) 40
d) 50
View Answer

Answer: c
Explanation: A maximum value of 40%age is allowed for WBM base course in Indian conditions.
Note: Join free Sanfoundry classes at Telegram or Youtube

6. Aggregates to be used for wearing course, the impact value shouldn’t exceed __________ percent.
a) 30
b) 35
c) 40
d) 25
View Answer

Answer: a
Explanation: Aggregates to be used for wearing course, the impact value shouldn’t exceed 30 %. For bituminous macadam the maximum permissible value is 35 %.

7. 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
View Answer

Answer: a
Explanation: The loss in weight should not exceed 12 percent when tested with sodium sulphate and 18 percent with magnesium sulphate solution.
advertisement

Sanfoundry Global Education & Learning Series – Concrete Technology.

To practice all areas of Concrete Technology, here is complete set of 1000+ Multiple Choice Questions and Answers.

advertisement

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]

advertisement
advertisement
Subscribe to our Newsletters (Subject-wise). Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Join our social networks below and stay updated with latest contests, videos, internships and jobs!

Youtube | Telegram | LinkedIn | Instagram | Facebook | Twitter | Pinterest
Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

Subscribe to his free Masterclasses at Youtube & discussions at Telegram SanfoundryClasses.