If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to

Concrete Technology and Design of Concrete Structures
If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to

xv

Tv + Tc

xc

xv

Tv + Tc

xc

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Concrete Technology and Design of Concrete Structures
The slab is designed as one way if the ratio of long span to short span is

less than 1

between 1.5 and 2

between 1 and 1.5

greater than 2

less than 1

between 1.5 and 2

between 1 and 1.5

greater than 2

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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

42 MPa and 35 MPa

53 MPa and 42 MPa

42 MPa and 53 MPa

35 MPa and 42 MPa

42 MPa and 35 MPa

53 MPa and 42 MPa

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Concrete Technology and Design of Concrete Structures
Workability of concrete is inversely proportional to

size of aggregate

vater-cement ratio

time of transit

the air in the mix

size of aggregate

vater-cement ratio

time of transit

the air in the mix

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Concrete Technology and Design of Concrete Structures
Sinking of an intermediate support of a continuous beami) reduces the negative moment at supportii) increases the negative moment at supportiii) reduces the positive moment at center of spaniv) increases the positive moment at center of span The correct answer is

(ii) and (iii)

(i) and (iv)

(i) and (iii)

(ii) and (iv)

(ii) and (iii)

(i) and (iv)

(i) and (iii)

(ii) and (iv)

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Concrete Technology and Design of Concrete Structures
The load factors for live load and dead load are taken respectively as

2.2 and 1.5

1.5 and 1.5

1.5 and 2.2

2.2 and 2.2

2.2 and 1.5

1.5 and 1.5

1.5 and 2.2

2.2 and 2.2

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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to

Concrete Technology and Design of Concrete Structures The slab is designed as one way if the ratio of long span to short span 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 Workability of concrete is inversely proportional to

Concrete Technology and Design of Concrete Structures The load factors for live load and dead load are taken respectively as

Concrete Technology and Design of Concrete Structures
If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to

Concrete Technology and Design of Concrete Structures
The slab is designed as one way if the ratio of long span to short span 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
Workability of concrete is inversely proportional to

Concrete Technology and Design of Concrete Structures
The load factors for live load and dead load are taken respectively as