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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures
The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by

fcr
fc5>fcr>fC
fcr>fcs>fc.
tcr – rcs = tct

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Concrete Technology and Design of Concrete Structures
The limits of percentage p of the longitudinal reinforce-ment in a column is given by

0.8% to 4%
0.8% to 8%
0.8% to 6%
0.15% to 2%

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Concrete Technology and Design of Concrete Structures
The compressive strength of 100 mm cube as compared to 150 mm cube is always

more
less
equal
None of these

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Concrete Technology and Design of Concrete Structures
Sinking of an intermediate support of a continuous beam
i) reduces the negative moment at support
ii) increases the negative moment at support
iii) reduces the positive moment at center of span
iv) increases the positive moment at center of span
The correct answer is

(ii) and (iii)
(i) and (iii)
(ii) and (iv)
(i) and (iv)

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Concrete Technology and Design of Concrete Structures
The fineness modulus of fine aggregate is in the range of

2.0 to 3.5
5.0 to 7.0
6.0 to 8.5
3.5 to 5.0

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Concrete Technology and Design of Concrete Structures
As compared to ordinary portland cement, use of pozzuolanic cement

increases strength
increases shrinkage
increases bleeding
reduces workability

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