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Mechanical Engineering
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Strength of Materials
Comments
Question
The load at which the column just buckles, is known as
Options
A. buckling load
B. critical load
C. crippling load
D. any one of these
Correct Answer
any one of these
Strength of Materials problems
Search Results
1. The neutral axis of a beam is subjected to __________ stress.
Options
A. zero
B. maximum tensile
C. minimum tensile
D. maximum compressive
Show Answer
Scratch Pad
Discuss
Correct Answer: zero
2. A spring, when loaded, is permanently distorted and recover its original shape when the load is removed.
Options
A. Agree
B. Disagree
Show Answer
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Discuss
Correct Answer: Agree
3. The thermal stress in a bar is __________ proportional to the change in temperature.
Options
A. directly
B. indirectly
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Discuss
Correct Answer: directly
4. A tensile test is performed on a round bar. After fracture, it has been found that the diameter remains approximately same at fracture. The material under test was
Options
A. mild steel
B. cast iron
C. glass
D. copper
Show Answer
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Discuss
Correct Answer: cast iron
5. 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
6. A tensile test is performed on a mild steel round bar. Its diameter after fracture will
Options
A. remain same
B. increase
C. decrease
D. depend upon rate of loading
Show Answer
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Correct Answer: decrease
7. The relation between equivalent length (
L
) and actual length (
l
) of a column for one end fixed and the other end hinged is
Options
A.
L
=
l
/2
B.
L
=
l
/
2
C.
L
=
l
D.
L
= 4
l
Show Answer
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Discuss
Correct Answer:
L
=
l
/
2
8. In the above question, the normal stress on an oblique section will be maximum, when ? is equal to
Options
A. 0°
B. 30°
C. 45°
D. 90°
Show Answer
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Correct Answer: 0°
9. The polar modulus for a hollow shaft of outer diameter (
D
) and inner diameter (
d
) is
Options
A.
B.
C.
D.
Show Answer
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Discuss
Correct Answer:
10. The bending equation is
Options
A.
B.
C.
D.
Show Answer
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Discuss
Correct Answer:
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