Theory of Structures

For a strongest rectangular beam cut from a circular log, the ratio of the width and depth, is________________?

Byadmin January 17, 2019June 4, 2021

For a strongest rectangular beam cut from a circular log, the ratio of the width and depth, is________________?

A. 0.303
B. 0.404
C. 0.505
D. 0.707(Correct)

Theory of Structures

The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span; flexural rigidity being EI, is______________?

The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span; flexural rigidity being EI, is______________?

A. WL3/3EL
B. WL3/8EL
C. WL3/24EL
D. WL3/48EL

Read More The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span; flexural rigidity being EI, is______________?
Theory of Structures

If Ix and Iy are the moments of inertia of a section about X and Y axes, the polar moment of inertia of the section, is_________________?

If Ix and Iy are the moments of inertia of a section about X and Y axes, the polar moment of inertia of the section, is_________________?

A. (IX + IY)/2
B. (IX – IY)/2
C. IX + IY(Correct)
D. (I /I )

Read More If Ix and Iy are the moments of inertia of a section about X and Y axes, the polar moment of inertia of the section, is_________________?
Theory of Structures

The forces in the members of simple trusses, may be analysed by________________?

The forces in the members of simple trusses, may be analysed by________________?

A. Graphical method
B. Method of joints
C. Method of sections
D. All the above

Read More The forces in the members of simple trusses, may be analysed by________________?
Theory of Structures

There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of_______________?

There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of_______________?

A. 1 : 1½ : 2
B. 2 : 1½ : 1
C. 1 : 1 : 2
D. None of these

Read More There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of_______________?
Theory of Structures

If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 × 105 N/mm2) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm 2, the angle of twist in radians, is_________________?

If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 × 105 N/mm2) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm 2, the angle of twist in radians, is_________________?

A. 0.001
B. 0.002
C. 0.0025
D. 0.003

Read More If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 × 105 N/mm2) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm 2, the angle of twist in radians, is_________________?
Theory of Structures

A short column (30 cm × 20 cm) carries a load P 1 at 4 cm on one side and another load P2at 8 cm on the other side along a principal section parallel to longer dimension. If the extreme intensity on either side is same, the ratio of P1 to P2 will be_________________?

A short column (30 cm × 20 cm) carries a load P 1 at 4 cm on one side and another load P2at 8 cm on the other side along a principal section parallel to longer dimension. If the extreme intensity on either side is same, the ratio of P1 to P2 will be_________________?

A. 2/3
B. 3/2
C. 8/5
D. 5/8

Read More A short column (30 cm × 20 cm) carries a load P 1 at 4 cm on one side and another load P2at 8 cm on the other side along a principal section parallel to longer dimension. If the extreme intensity on either side is same, the ratio of P1 to P2 will be_________________?