1 (a)
Give specific uses of following cements:
1. Ordinary Portland Cement.
2. Rapid Hardening Cement.
3. Sulphate Resisting Cement.
4. Quick setting Cement.
1. Ordinary Portland Cement.
2. Rapid Hardening Cement.
3. Sulphate Resisting Cement.
4. Quick setting Cement.
8 M
1 (b)
What is importance of following tests on Ordinary Portland cement and also give their I.S values 1) Setting time 2) Compressive strength 3) Soundness.
6 M
Write short note on (any two)
2 (a) 1
Maximum size of Aggregate
3 M
2 (a) 2
Plum Concrete
3 M
2 (a) 3
All in Aggregate.
3 M
2 (b)
State four admixtures and give their uses.
8 M
2 (c)
State adverse effect of excess use of admixtures.
8 M
3 (a)
Give factors affecting workability of concrete.
7 M
3 (b)
Explain how slump test is carried out in laboratory.
7 M
3 (c)
Explain True slump, shear slump and Collapse with figure.
7 M
Write short note
3 (d) 1
Segregation
4 M
3 (d) 2
Bleeding
3 M
4 (a)
Why curing is required? State different methods of curing.
7 M
4 (b)
Explain factors affecting strength of concrete.
7 M
4 (c)
Explain Alkali Aggregate Reaction. State measures to control.
7 M
4 (d)
State three categories of ready mix cement (R.M.C). Explain any one in detail.
7 M
Write short note on (any two)
5 (a) 1
Rebound hammer test.
3 M
5 (a) 2
Pullout test.
3 M
5 (a) 3
Micro cracking in concrete.
3 M
5 (b)
Draw flow diagram chart of concrete mix design.
8 M
5 (c)
State and explain factors affecting the choice of mix design.
7 M
5 (d)
Distinguish between Nominal mix and Design mix of concrete.
7 M
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