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Civil Engineering - Concrete Technology

Exercise : Concrete Technology - Section 3
41.
For the construction of R.C.C. slabs, columns, beams, walls, etc. the grade of concrete mix used, is
1 : 3 : 6
1 : : 3
1 : 2 : 4
1 : 1 : 2
1 : 4 : 8.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
The type of aggregates of same nominal size, which contain less voids when compacted, are
rounded spherical
irregular
flaky
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
For the construction of cement con-certe dams, the maximum permissible size of the aggregates, is
40 mm
50 mm
60 mm
70 mm
80 mm
Answer: Option
Explanation:
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44.
Permissible compressive strength of M 200 concrete grade is
100 kg/cm2
150 kg/cm2
200 kg/cm2
250 kg/cm2
300 kg/cm2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
For preparing a test-specimen, it is necessary
to mix cement and fine aggregate by dry hand
to mix coarse aggregates
to mix water to the cement, fine aggregates and coarse aggregates
to oil inner surface of the mould and the base plate, before placing concrete
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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