STUPIDSID
1 (a)
Fill in the blanks :
(i) The cement becomes useless if its absorbed moisture exceeds ____% (3, 4, 5)
(ii) The individual variation in compressive strength results should not exceed ______ of the average. (5%, 15%, 20%).
(iii) To prevent segregation, the maximum height for placing concrete is ______cm. ( 100, 125,150).
(i) The cement becomes useless if its absorbed moisture exceeds ____% (3, 4, 5)
(ii) The individual variation in compressive strength results should not exceed ______ of the average. (5%, 15%, 20%).
(iii) To prevent segregation, the maximum height for placing concrete is ______cm. ( 100, 125,150).
3 M
1 (b)
Describe the wet process of manufacturing of cement.
4 M
1 (c)
What is soundness of cement? Explain soundness test of cement.
7 M
2 (a)
Mention acceptance criteria for Mix design. The following data represents the strength of individual cubes of M25 grade of concrete. 24, 26, 24, 21, 22, 23, 27, 28, 30, 21 N/mm2. Calculate mean strength, Standard deviation and co-efficient of Variance.
7 M
Answer any one question from Q2 (b) & Q2 (c)
2 (b)
State factors affecting Compressive strength of concrete and explain any one in detail.
7 M
2 (c)
Define Creep. Explain factors affecting creep of concrete.
7 M
Answer any two question from Q3 (a), (b) & Q3 (c), (d)
3 (a)
Explain causes of Corrosion and Remedial measures.
7 M
3 (b) (i)
Explain Sulphate Attack on concrete.
4 M
3 (b) (ii)
Define Shrinkage. Explain Plastic shrinkage.
3 M
3 (c)
Explain factors affecting Durability.
7 M
3 (d) (i)
Explain Sulphate Attack on concrete.
4 M
3 (d) (ii)
Give advantages of Quality control.
3 M
Answer any two question from Q4 (a), (b) & Q4 (c), (b)
4 (a) (i)
State the major Compounds of OPC and importance of them.
4 M
4 (a) (ii)
Write short note on Segregation.
3 M
4 (b)
Explain "Alkali Aggregate Reaction". Explain factors promoting it.
7 M
4 (c) (i)
State any four different types of cement with its use.
4 M
4 (c) (ii)
Write short note on Bleeding.
3 M
4 (d)
Explain Aggregate Crushing value test on Coarse Aggregate.
7 M
Answer any two question from Q5(a), (b) & Q5 (c), (d)
5 (a)
Write short note on Self Compacting Concrete.
7 M
5 (b)
Define workability. State different methods of it. Describe any one in detail.
7 M
5 (c) (i)
Explain Pre-packed Concrete.
4 M
5 (c) (ii)
List out various application of Shotcrete.
3 M
5 (d)
List various Non-Destructive tests for assessment of strength of concrete. Explain Rebound Hammer test.
7 M
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