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 radius of gyration of a rectangular section (depth D, width B) from a centroidal axis parallel to the width is__________________?

The radius of gyration of a rectangular section (depth D, width B) from a centroidal axis parallel to the width is__________________?

A. D/2
B. D
C. D
D. D

Read More The radius of gyration of a rectangular section (depth D, width B) from a centroidal axis parallel to the width is__________________?
Theory of Structures

If a concrete column 200 × 200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15 Ec________________?

If a concrete column 200 × 200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15 Ec________________?

A. 264 MN
B. 274 MN
C. 284 MN
D. 294 MN

Read More If a concrete column 200 × 200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15 Ec________________?
Theory of Structures

The locus of the moment of inertia about inclined axes to the principal axis, is______________?

The locus of the moment of inertia about inclined axes to the principal axis, is______________?

A. Straight line
B. Parabola
C. Circle
D. Ellipse

Read More The locus of the moment of inertia about inclined axes to the principal axis, is______________?
Theory of Structures

The horizontal deflection of a parabolic curved beam of span 10 m and rise 3 m when loaded with a uniformly distributed load l t per horizontal length is (where Ic is the M.I. at the crown, which varies as the slope of the arch)___________________?

The horizontal deflection of a parabolic curved beam of span 10 m and rise 3 m when loaded with a uniformly distributed load l t per horizontal length is (where Ic is the M.I. at the crown, which varies as the slope of the arch)___________________?

A. 50/EIc
B. 100/EIc
C. 150/EIc
D. 200/EIc

Read More The horizontal deflection of a parabolic curved beam of span 10 m and rise 3 m when loaded with a uniformly distributed load l t per horizontal length is (where Ic is the M.I. at the crown, which varies as the slope of the arch)___________________?
Theory of Structures

The shape factor of standard rolled beam section varies from_______________?

The shape factor of standard rolled beam section varies from_______________?

A. 1.10 to 1.20
B. 1.20 to 1.30
C. 1.30 to 1.40
D. 1.40 to 1.50

Read More The shape factor of standard rolled beam section varies from_______________?
Theory of Structures

An isolated load W is acting at a distance a from the left hand support, of a three hinged arch of span 2l and rise h hinged at the crown, the horizontal reaction at the support, is_________________?

An isolated load W is acting at a distance a from the left hand support, of a three hinged arch of span 2l and rise h hinged at the crown, the horizontal reaction at the support, is_________________?

A. Wa/h
B. Wa/2h(Correct)
C. 2W/ha
D. 2h/Wa

Read More An isolated load W is acting at a distance a from the left hand support, of a three hinged arch of span 2l and rise h hinged at the crown, the horizontal reaction at the support, is_________________?