In a ring beam subjected to uniformly distributed loadi) shear force at mid span is zeroii) shear force at mid span is maximumiii) torsion at mid span is zeroiv) torsion at mid span is maximum The correct answer is

Concrete Technology and Design of Concrete Structures
In a ring beam subjected to uniformly distributed loadi) shear force at mid span is zeroii) shear force at mid span is maximumiii) torsion at mid span is zeroiv) torsion at mid span is maximum The correct answer is

(i) and (iv)

(i) and (iii)

(ii) and (iii)

(ii) and (iv)

(i) and (iv)

(i) and (iii)

(ii) and (iii)

(ii) and (iv)

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Concrete Technology and Design of Concrete Structures
Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to

Deflect upward

None of these

Deflect downward or upward

Deflect downward

Deflect upward

None of these

Deflect downward or upward

Deflect downward

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

Magnel-Blaton system

Lee-Macall system

Freyssinet system

Long line method

Magnel-Blaton system

Lee-Macall system

Freyssinet system

Long line method

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Concrete Technology and Design of Concrete Structures
Prestress loss due to friction occurs

only in post-tensioned beams

None of these

in both post-tensioned and preten-sioned beams

only in pretensioned beams

only in post-tensioned beams

None of these

in both post-tensioned and preten-sioned beams

only in pretensioned beams

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Concrete Technology and Design of Concrete Structures
Modulus of rupture of concrete is a measure of

split tensile strength

direct tensile strength

compressive strength

flexural tensile strength

split tensile strength

direct tensile strength

compressive strength

flexural tensile strength

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Concrete Technology and Design of Concrete Structures
Ratio of permissible stress in direct compression and bending compression is

between 1.5 and 2.0

less than 1

greater than 2

between 1 and 1.5

between 1.5 and 2.0

less than 1

greater than 2

between 1 and 1.5

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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures In a ring beam subjected to uniformly distributed loadi) shear force at mid span is zeroii) shear force at mid span is maximumiii) torsion at mid span is zeroiv) torsion at mid span is maximum The correct answer is

Concrete Technology and Design of Concrete Structures Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to

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

Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs

Concrete Technology and Design of Concrete Structures Modulus of rupture of concrete is a measure of

Concrete Technology and Design of Concrete Structures Ratio of permissible stress in direct compression and bending compression is

Concrete Technology and Design of Concrete Structures
In a ring beam subjected to uniformly distributed loadi) shear force at mid span is zeroii) shear force at mid span is maximumiii) torsion at mid span is zeroiv) torsion at mid span is maximum The correct answer is

Concrete Technology and Design of Concrete Structures
Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to

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

Concrete Technology and Design of Concrete Structures
Prestress loss due to friction occurs

Concrete Technology and Design of Concrete Structures
Modulus of rupture of concrete is a measure of

Concrete Technology and Design of Concrete Structures
Ratio of permissible stress in direct compression and bending compression is