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Strength of Materials
Comments
Question
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.
Correct Answer
crown of the arch
Strength of Materials problems
Search Results
1. 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.
Show Answer
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Discuss
Correct Answer: compressive force
2. 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.
Show Answer
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Correct Answer: statically determinate
3. The structure shown in below figure is stable, if
Options
A.
B.
x
= 2
y
C.
x
=
y
D.
2
x
=
y
.
Show Answer
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Discuss
Correct Answer:
2
x
=
y
.
4. The type of butt joints in common use, is :
Options
A. single inverted V-butt joint
B. double V-butt joint
C. double U-butt joint
D. single V-butt joint.
Show Answer
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Correct Answer: single inverted V-butt joint
5. 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.
Show Answer
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Correct Answer: Algebraic sum of the moments of all the forces on either side of the section
6. In a three hinged arch, the shear force is usually
Options
A. maximum at crown
B. maximum at springings
C. maximum at quarter points
D. varies with slope.
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Correct Answer: maximum at springings
7. 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.
Show Answer
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Correct Answer: under the load
8. The maximum resistance against rotation, is offered by the weld at a point
Options
A. most distant
B. least distant
C. at either end
D. centrally located.
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Correct Answer: most distant
9. While testing a cast iron beam (2.5 cm x 2.5 cm) in section and a metre long simply supported at the ends failed when a 100 kg weight is applied at the centre. The maximum stress induced is :
Options
A. 960 kg/cm
2
B. 980 kg/cm
2
C. 1000 kg/cm
2
D. 1200 kg/cm
2
.
Show Answer
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Discuss
Correct Answer: 960 kg/cm
2
10. An arch may be subjected to
Options
A. shear and axial force
B. bending moment and shear force
C. bending moment and axial force
D. shear force and thrust
E. thrust, shear force and bending moment.
Show Answer
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Discuss
Correct Answer: thrust, shear force and bending moment.
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