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Mechanical Engineering
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Strength of Materials
Comments
Question
In a leaf spring, the deflection at the centre is
Options
A.
B.
C.
D.
Correct Answer
Strength of Materials problems
Search Results
1. For the two shafts connected in parallel and subjected to twisting moment, the angle of twist of each shaft will be same.
Options
A. Yes
B. No
Show Answer
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Discuss
Correct Answer: Yes
2. The bending moment at the free end of a cantilever beam is
Options
A. zero
B. minimum
C. maximum
Show Answer
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Correct Answer: zero
3. The assumption, generally, made in the theory of simple bending is that
Options
A. the beam material is perfectly homogenous and isotropic
B. the beam material is stressed within its elastic limit
C. the plane sections before bending remain plane after bending
D. all of the above
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Correct Answer: all of the above
4. When a body is subjected to direct tensile stresses (?
x
and ?
y
) in two mutually perpendicular directions, accompanied by a simple shear stress ?
xy
, then in Mohr's circle method, the circle radius is taken as
Options
A.
B.
C.
D.
Show Answer
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Discuss
Correct Answer:
5. The factor of safety is always more than unity.
Options
A. Correct
B. Incorrect
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Discuss
Correct Answer: Correct
6. A spring used to absorb shocks and vibrations is
Options
A. conical spring
B. torsion spring
C. leaf spring
D. disc spring
Show Answer
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Discuss
Correct Answer: leaf spring
7. A cantilever beam is one which is
Options
A. fixed at both ends
B. fixed at one end and free at the other end
C. supported at its ends
D. supported on more than two supports
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Correct Answer: fixed at one end and free at the other end
8. The hoop stress in a thick cylindrical shell is maximum at the inner radius.
Options
A. True
B. False
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Correct Answer: True
9. For a shaft, the shear stress at a point is __________ the distance from the axis of the shaft.
Options
A. equal to
B. directly proportional to
C. inversely proportional to
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Correct Answer: directly proportional to
10. In the below figure, stress is proportional to strain, for the portion
Options
A. from
O
to
A
B. from
A
to
C
C. from
A
to
D
D. from
D
to
E
Show Answer
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Discuss
Correct Answer: from
O
to
A
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