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Mechanical Engineering
‣
Strength of Materials
Comments
Question
The value of equivalent length is taken to be half of the actual length of a column with one end fixed and the other end free.
Options
A. Agree
B. Disagree
Correct Answer
Disagree
Strength of Materials problems
Search Results
1. In a beam of uniform strength, the bending stress developed is constant and is equal to the allowable stress at every section of the beam.
Options
A. True
B. False
Show Answer
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Correct Answer: True
2. A continuous beam is one which is
Options
A. fixed at both ends
B. fixed at one end and free at the other end
C. supported on more than two supports
D. extending beyond the supports
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Correct Answer: supported on more than two supports
3. The bending moment of a cantilever beam of length
l
and carrying a uniformly distributed load of
w
per unit length is __________ at the fixed end.
Options
A.
wl
/4
B.
wl
/2
C.
wl
D.
wl
2
/2
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Correct Answer:
wl
2
/2
4. Every direct stress is always accompanied by a strain in its own direction and an opposite kind of strain in every direction, at right angles to it. Such a strain is known as
Options
A. linear strain
B. lateral strain
C. volumetric strain
D. shear strain
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Correct Answer: lateral strain
5. The unit of Young's modulus is same as that of stress.
Options
A. True
B. False
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Correct Answer: True
6. According to Euler's column theory, the crippling load for a column of length (
l
) with one end fixed and the other end hinged, is
Options
A.
B.
C.
D.
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Correct Answer:
7. In a stress-strain diagram for mild steel, as shown in the below figure, the point
A
represents
Options
A. elastic limit
B. upper yield-point
C. lower yield point
D. breaking point
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Correct Answer: elastic limit
8. The shear force diagram of a cantilever beam of length
l
and carrying a uniformly distributed load of
w
per unit length will be
Options
A. a right angled triangle
B. an issoscles triangle
C. an equilateral triangle
D. a rectangle
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Correct Answer: a right angled triangle
9. A load which acts at a point on a beam is not called uniformly distributed load.
Options
A. Agree
B. Disagree
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Correct Answer: Agree
10. The proof resilience per unit volume of a material is known as modulus of resilience.
Options
A. True
B. False
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Correct Answer: True
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