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Concrete Technology and Design MCQ Question with Answer

Concrete Technology and Design MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 29
Workability of concrete is directly proportional to

Aggregate cement ratio
Time of transit
Grading of the aggregate
All of above
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Question No : 30
If the size of panel in a flat slab is 6 m × 6 m, then as per Indian Standard Code, the widths of column strip and middle strip are

3.0 m and 1.5 m
1.5 m and 3.0 m
3.0 m and 3.0 m
1.5 m and 1.5 m
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Question No : 31
Slump test of concrete is a measure of its

Consistency
Compressive strength
Tensile strength
Impact value
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Question No : 32
The compaction of concrete, improves

Density
Strength
Durability
All the above
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Question No : 33
Le-Chatelier's apparatus is used for testing

Soundness of cement
Hardness of cement
Strength of cement
Durability of cement
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Question No : 34
For a cantilever of effective depth of 0.5 m, the maximum span to satisfy vertical deflection limit is

3.5 m
4 m
4.5 m
5 m
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Question No : 35
The bulk density of aggregates does not depend upon:

Size and shape of aggregates
Specific gravity of aggregates
Grading of aggregates
Size and shape of the container
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