The structure shown in below figure is stable, if x = 2y x = y 2x = y.

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Question
The structure shown in below figure is stable, if
Options
A.
B. x = 2y
C. x = y
D. 2x = y.

Correct Answer

2x = y.

Strength of Materials problems

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2. A bending moment may be defined as :
Options
A. Arithmetic sum of the moments of all the forces on either side of the section
B. Arithmetic sum of the forces on either side of the section
C. Algebraic sum of the moments of all the forces on either side of the section
D. None of these.

3. The length of a column, having a uniform circular cross-section of 7.5 cm diameter and whose ends are hinged, is 5 m. If the value of E for the material is 2100 tonnes/cm², the permissible maximum crippling load will be
Options
A. 1.288 tonnes
B. 12.88
C. 128.8 tonnes
D. 288.0
E. none of these.

6. An arch with three hinges, is a structure
Options
A. statically determinate
B. statically indeterminate
C. geometrically unstable
D. structurally sound but indeterminate
E. none of these.

7. If a three hinged parabolic arch carries a uniformly distributed load on its entire span, every section of the arch resists.
Options
A. compressive force
B. tensile force
C. shear force
D. bending moment.

8. In a three hinged arch, the third hinge is generally kept at
Options
A. crown of the arch
B. midpoint of the crown and left support hinge
C. midpoint of the crown and right support hinge
D. none of these.

10. The maximum bending moment due to a moving load on a simply supported beam, occurs
Options
A. at the mid span
B. at the supports
C. under the load
D. anywhere on the beam
E. none of these.

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