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Civil Engineering - Concrete Technology

Exercise : Concrete Technology - Section 4
21.
For a good concrete
aggregates should be hard and durable
cement should be sufficient to produce the required strength
water should be free from organic materials
mixing of ingredients should be done thoroughly so as to produce homogeneity
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
If the effective plan area of a warehouse is 54 sq. m, and maximum height of piles permitted is 270 cm, the number of cement bags to be stored, is
2000 bags
2200 bags
2400 bags
2700 bags
3000 bags
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Gypsum is added for
colour
strength
controlling setting time
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
A concrete having a slump of 6.5 cm, is said to be
dry
earth moist
semi-plastic
plastic
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Strength of concrete with passage of time
increases
decreases
fluctuates
remains constant.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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