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Mechanical Engineering
‣
Strength of Materials
Comments
Question
For the beam shown in the below figure, the shear force at
A
is equal to
Options
A.
wl
/6
B.
wl
/3
C.
wl
D. 2
wl
/3
Correct Answer
wl
/3
Strength of Materials problems
Search Results
1. In a simple bending theory, one of the assumption is that the material of the beam is isotropic. This assumption means that the
Options
A. normal stress remains constant in all directions
B. normal stress varies linearly in the material
C. elastic constants are same in all the directions
D. elastic constants varies linearly in the material
Show Answer
Scratch Pad
Discuss
Correct Answer: elastic constants are same in all the directions
2. PERT is a project planning and control technique.
Options
A. Yes
B. No
Show Answer
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Discuss
Correct Answer: Yes
3. Actual performance of a task is called
Options
A. an event
B. an activity
C. a duration
D. none of these
Show Answer
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Discuss
Correct Answer: an activity
4. Process layout is also known as
Options
A. analyticallayout
B. synthetic layout
C. static product layout
D. none of these
Show Answer
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Discuss
Correct Answer: analyticallayout
5. Which of the following wage incentive plan is applied to all workers?
Options
A. Halsey plan
B. Gantt plan
C. Emerson's efficiency plan
D. Rowan plan
Show Answer
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Discuss
Correct Answer: Halsey plan
6. A welded joint as compared to a riveted joint has __________ strength.
Options
A. same
B. less
C. more
Show Answer
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Correct Answer: more
7. A body is subjected to two normal stresses 20 kN/m
2
(tensile) and 10 kN/m
2
(compressive) acting perpendicular to each other. The maximum shear stress is
Options
A. 5 kN/m
2
B. 10 kN/m
2
C. 15 kN/m
2
D. 20 kN/m
2
Show Answer
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Correct Answer: 15 kN/m
2
8. When a cantilever beam is loaded at its free end, the maximum compressive stress shall develop at
Options
A. bottom fibre
B. top fibre
C. neutral axis
D. centre of gravity
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Correct Answer: bottom fibre
9. A beam of uniform strength has
Options
A. same cross-section throughout the beam
B. same bending stress at every section
C. same bending moment at every section
D. same shear stress at every section
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Correct Answer: same bending stress at every section
10. In the below figure, the stress corresponding to point
D
is
Options
A. yield point stress
B. breaking stress
C. ultimate stress
D. elastic limit
Show Answer
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Discuss
Correct Answer: ultimate stress
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