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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures
The design yield stress of steel according to IS: 456-1978 is (where fy is the characteristic yield strength of steel)

0.57 fy
0.37 fy
0.87 fy
0.67 fy

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Concrete Technology and Design of Concrete Structures
According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is

0.43 d
0.55 d
0.68 d
0.85 d

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Concrete Technology and Design of Concrete Structures
According to IS : 456- 1978, minimum slenderness ratio for a short column is

less than 18
less than 12
between 18 and 24
more than 24

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Concrete Technology and Design of Concrete Structures
The property of the ingredients to separate from each other while placing the concrete is called

segregation
shrinkage
compaction
bulking

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Concrete Technology and Design of Concrete Structures
To determine the modulus of rupture, the size of test specimen used is

150 x150 x500 mm
150 x150 x700 mm
100 x100 x700 mm
100 x100 x500 mm

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Concrete Technology and Design of Concrete Structures
Select the incorrect statement for ...

None of these
Lean mixes bleed more as compared to rich ones.
Bleeding can be increased by addition of calcium chloride.
Bleeding can be minimized by adding pozzuolana finer aggregate.

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