STUPIDSID
1 (a)
Explain the manufacturing process of OPC both by wet and dry process (using flow chart only).
10 M
1 (b)
Explain any two test on cement in detail.
10 M
2 (a)
What is grading of aggregate? Explain its significance in improving the properties of concrete.
5 M
2 (b)
What are flakiness and elongation index? Explain their effects on properties of concrete.
5 M
2 (c)
Explain impact and abrasion tests on coarse aggregate.
10 M
3 (a)
Explain measurement of workability of concrete using.
i) Compaction factor method.
ii) Vee-bee Consistometer method.
i) Compaction factor method.
ii) Vee-bee Consistometer method.
10 M
3 (b)
Explain manufacture of concrete in detail.
10 M
4 (a)
What is the role of admixtures in concrete? Mention any three chemical and mineral admixtures.
5 M
4 (b)
Explain factors affecting the workability of concrete by using admixtures.
10 M
4 (c)
Explain the role of fly ash as a admixture.
5 M
5 (a)
Explain factors affecting strength of concrete.
10 M
5 (b)
Explain flexural strength and split tensile strength tests on concrete.
10 M
6 (a)
Explain briefly the relationship between modulus of elasticity and compressive strength of concrete.
5 M
6 (b)
Explain the method of measurement of creep of concrete.
10 M
6 (c)
Explain factors affecting creep of concrete.
5 M
7 (a)
Define durability of concrete and explain its significance.
5 M
7 (b)
Explain the effects of freezing and thawing on the durability of concrete.
5 M
7 (c)
What is sulphate attack on concrete? Explain methods of controlling it.
10 M
8 (a)
Explain the concept of concrete mix design.
5 M
8 (b)
Explain the procedure of concrete mix design using I.S. code.
10 M
8 (c)
Explain different variables in proportioning of concrete.
5 M
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