The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse)

Concrete Technology and Design of Concrete Structures
The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse)

0.416 xu

0.367 xu

0.573 xu

0.446 xu

0.416 xu

0.367 xu

0.573 xu

0.446 xu

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Concrete Technology and Design of Concrete Structures
In a spherical dome the hoop stress due to a concentrated load at crown is

partly compressive and partly tensile

tensile everywhere

zero

compressive everywhere

partly compressive and partly tensile

tensile everywhere

zero

compressive everywhere

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Concrete Technology and Design of Concrete Structures
Finer grinding of cement

both (a) and (b)

does not affect the strength

affects only the early development of strength

affects only the ultimate strength

both (a) and (b)

does not affect the strength

affects only the early development of strength

affects only the ultimate strength

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Concrete Technology and Design of Concrete Structures
Most common method of prestressing used for factory production is

Long line method

Magnel-Blaton system

Lee-Macall system

Freyssinet system

Long line method

Magnel-Blaton system

Lee-Macall system

Freyssinet system

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Concrete Technology and Design of Concrete Structures
Shrinkage of concrete depends uponi) humidity of atmosphereii) passage of timeiii) stressThe correct answer is

only (iii)

(ii) and (iii)

All (i), (ii) and (iii)

(i) and (ii)

only (iii)

(ii) and (iii)

All (i), (ii) and (iii)

(i) and (ii)

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Concrete Technology and Design of Concrete Structures
For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is

3.5 m

5 m

6 m

4 m

3.5 m

5 m

6 m

4 m

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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse)

Concrete Technology and Design of Concrete Structures In a spherical dome the hoop stress due to a concentrated load at crown is

Concrete Technology and Design of Concrete Structures Finer grinding of cement

Concrete Technology and Design of Concrete Structures Most common method of prestressing used for factory production is

Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends uponi) humidity of atmosphereii) passage of timeiii) stressThe correct answer is

Concrete Technology and Design of Concrete Structures For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is

Concrete Technology and Design of Concrete Structures
The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse)

Concrete Technology and Design of Concrete Structures
In a spherical dome the hoop stress due to a concentrated load at crown is

Concrete Technology and Design of Concrete Structures
Finer grinding of cement

Concrete Technology and Design of Concrete Structures
Most common method of prestressing used for factory production is

Concrete Technology and Design of Concrete Structures
Shrinkage of concrete depends uponi) humidity of atmosphereii) passage of timeiii) stressThe correct answer is

Concrete Technology and Design of Concrete Structures
For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is