For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to intersect the load line at D and a line parallel to the load line through A at D’. Distances AD, DD’ and AD’ when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is

Theory of Structures
For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to intersect the load line at D and a line parallel to the load line through A at D’. Distances AD, DD’ and AD’ when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is

90°

45°

30°

60°

90°

45°

30°

60°

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Theory of Structures
The ratio of maximum shear stress to average shear stress of a circular beam, is

4/7

2/3

3/2

4/3

4/7

2/3

3/2

4/3

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Theory of Structures
At yield point of a test piece, the material

Undergoes plastic deformation

Obeys Hooke’s law

Regains its original shape on removal of the load

Behaves in an elastic manner

Undergoes plastic deformation

Obeys Hooke’s law

Regains its original shape on removal of the load

Behaves in an elastic manner

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Theory of Structures
A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm² and Poisson’s ratio is 0.25, the change in the volume of the bar is:

1.125 cm³

4.125 cm²

2.125 cm³

3.125 cm³

1.125 cm³

4.125 cm²

2.125 cm³

3.125 cm³

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Theory of Structures
Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to

Moment of inertia of the shaft section

Reciprocal of the length of the shaft

Modulus of rigidity

Angle of twist

Moment of inertia of the shaft section

Reciprocal of the length of the shaft

Modulus of rigidity

Angle of twist

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Theory of Structures
A compound bar consists of two bars of equal length. Steel bar cross -section is 3500 mm²and that of brass bar is 3000 mm². These are subjected to a compressive load 100,000 N. If Eb = 0.2 MN/mm² and Eb = 0.1 MN/mm², the stresses developed are:

b = 6 N/mm² s = 12 N/mm²

b = 8 N/mm² s = 16 N/mm²

b = 5 N/mm² s = 10 N/mm²

b = 10 N/mm² s = 20 N/mm 2

b = 6 N/mm² s = 12 N/mm²

b = 8 N/mm² s = 16 N/mm²

b = 5 N/mm² s = 10 N/mm²

b = 10 N/mm² s = 20 N/mm 2

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Theory of Structures

Theory of Structures The ratio of maximum shear stress to average shear stress of a circular beam, is

Theory of Structures At yield point of a test piece, the material

Theory of Structures A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm² and Poisson’s ratio is 0.25, the change in the volume of the bar is:

Theory of Structures Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to

Theory of Structures A compound bar consists of two bars of equal length. Steel bar cross -section is 3500 mm²and that of brass bar is 3000 mm². These are subjected to a compressive load 100,000 N. If Eb = 0.2 MN/mm² and Eb = 0.1 MN/mm², the stresses developed are:

Theory of Structures
The ratio of maximum shear stress to average shear stress of a circular beam, is

Theory of Structures
At yield point of a test piece, the material

Theory of Structures
A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm² and Poisson’s ratio is 0.25, the change in the volume of the bar is:

Theory of Structures
Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to

Theory of Structures
A compound bar consists of two bars of equal length. Steel bar cross -section is 3500 mm²and that of brass bar is 3000 mm². These are subjected to a compressive load 100,000 N. If Eb = 0.2 MN/mm² and Eb = 0.1 MN/mm², the stresses developed are: