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Question
The usual concrete mix for RCC lintel is ___________ (cement:sand:aggregate).
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A.
1:2:3
B.
1:2:4
C.
1:4:8
D.
1:3:6
Answer ( Option B)

1:2:4

Solution

The usual Concrete mix for RCC lintel is 1:2:4 i.e. 1 part of cement, 2 parts of sand and 4 parts of aggregate by volume. The plain concrete lintel can be used up to a span of about 800 mm.

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