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 (iii)

(ii) and (iv)

(i) and (iv)

(ii) and (iii)

(i) and (iii)

(ii) and (iv)

(i) and (iv)

(ii) and (iii)

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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)

0.67 fy

0.37 fy

0.57 fy

0.87 fy

0.67 fy

0.37 fy

0.57 fy

0.87 fy

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Concrete Technology and Design of Concrete Structures
The minimum cover in a slab should neither be less than the diameter of bar nor less than

15 mm

20 mm

10 mm

30 mm

15 mm

20 mm

10 mm

30 mm

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Concrete Technology and Design of Concrete Structures
In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on
i) bottom face near counterfort
ii) top face near counterfort
iii) bottom face near centre of span
iv) top face near centre of span
The correct answer is

both (ii) and (iii)

only (ii)

both (i) and (iv)

only (i)

both (ii) and (iii)

only (ii)

both (i) and (iv)

only (i)

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Concrete Technology and Design of Concrete Structures
If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section

depends on both crst and acbc

depends on aCbC only

is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression.

depends on as, only

depends on both crst and acbc

depends on aCbC only

is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression.

depends on as, only

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Concrete Technology and Design of Concrete Structures
The depth of footing for an isolated column is governed by
i) maximum bending moment
ii) shear force
iii) punching shear
The correct answer is

(i) and (iii)

(i), (ii) and (iii)

only (i)

(i) and (ii)

(i) and (iii)

(i), (ii) and (iii)

only (i)

(i) and (ii)

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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)

Concrete Technology and Design of Concrete Structures The minimum cover in a slab should neither be less than the diameter of bar nor less than

Concrete Technology and Design of Concrete Structures If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section

Concrete Technology and Design of Concrete Structures The depth of footing for an isolated column is governed byi) maximum bending momentii) shear forceiii) punching shearThe correct answer is

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)

Concrete Technology and Design of Concrete Structures
The minimum cover in a slab should neither be less than the diameter of bar nor less than

Concrete Technology and Design of Concrete Structures
If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section

Concrete Technology and Design of Concrete Structures
The depth of footing for an isolated column is governed by
i) maximum bending moment
ii) shear force
iii) punching shear
The correct answer is