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

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

(i) and (iv)

(ii) and (iv)

(ii) and (iii)

(i) and (iii)

(i) and (iv)

(ii) and (iv)

(ii) and (iii)

(i) and (iii)

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Concrete Technology and Design of Concrete Structures
Increase in the moisture content in concrete

All of these

reduces the strength

does not change the strength

increases the strength

All of these

reduces the strength

does not change the strength

increases the strength

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Concrete Technology and Design of Concrete Structures
Stress strain curve of high tensile steel

does not show definite yield point but yield point is defined by 0.1% proof stress

does not show definite yield point but yield point is defined by 2% proof stress,

does not show definite yield point but yield point is defined by 0.2% proof stress

has a definite yield point

does not show definite yield point but yield point is defined by 0.1% proof stress

does not show definite yield point but yield point is defined by 2% proof stress,

does not show definite yield point but yield point is defined by 0.2% proof stress

has a definite yield point

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Concrete Technology and Design of Concrete Structures
Shrinkage of concrete depends upon i) humidity of atmosphere ii) passage of time iii) stress The correct answer is

(ii) and (iii)

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

(i) and (ii)

only (iii)

(ii) and (iii)

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

(i) and (ii)

only (iii)

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Concrete Technology and Design of Concrete Structures
Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than

42 MPa and 53 MPa

35 MPa and 42 MPa

53 MPa and 42 MPa

42 MPa and 35 MPa

42 MPa and 53 MPa

35 MPa and 42 MPa

53 MPa and 42 MPa

42 MPa and 35 MPa

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Concrete Technology and Design of Concrete Structures
According to IS : 456-1978, the fiexural strength of concrete is

directly proportional to compressive strength

inversely proportional to square root of compressive strength

directly proportional to square root of compressive strength

inversely proportional to compressive strength

directly proportional to compressive strength

inversely proportional to square root of compressive strength

directly proportional to square root of compressive strength

inversely proportional to compressive strength

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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures Increase in the moisture content in concrete

Concrete Technology and Design of Concrete Structures Stress strain curve of high tensile steel

Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends upon i) humidity of atmosphere ii) passage of time iii) stress The correct answer is

Concrete Technology and Design of Concrete Structures Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than

Concrete Technology and Design of Concrete Structures According to IS : 456-1978, the fiexural strength of concrete is

Concrete Technology and Design of Concrete Structures
Increase in the moisture content in concrete

Concrete Technology and Design of Concrete Structures
Stress strain curve of high tensile steel

Concrete Technology and Design of Concrete Structures
Shrinkage of concrete depends upon i) humidity of atmosphere ii) passage of time iii) stress The correct answer is

Concrete Technology and Design of Concrete Structures
Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than

Concrete Technology and Design of Concrete Structures
According to IS : 456-1978, the fiexural strength of concrete is