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Home
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Mechanical Engineering
‣
Strength of Materials
Comments
Question
Poisson's ratio is the ratio of linear stein to the volumetric strain.
Options
A. True
B. False
Correct Answer
False
Strength of Materials problems
Search Results
1. The relation between equivalent length (
L
) and actual length (
l
) of a column for both ends fixed is
Options
A.
L
=
l
/2
B.
L
=
l
/
2
C.
L
=
l
D.
L
= 2
l
Show Answer
Scratch Pad
Discuss
Correct Answer:
L
=
l
/2
2. The maximum shear stress in a thin spherical shell subjected to an internal pressure (
p
) is zero.
Options
A. Yes
B. No
Show Answer
Scratch Pad
Discuss
Correct Answer: Yes
3. The equivalent length, of a given column with given end conditions, is the length of an equivalent column of the same material and cross-section with hinged ends, and having the value of crippling load equal to that of the given column.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
4. Transverse fillet welds are designed for
Options
A. tensile strength
B. compressive strength
C. shear strength
D. bending strength
Show Answer
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Discuss
Correct Answer: tensile strength
5. The state of stress at a point in a loaded member is shown in the below figure. The magnitude of maximum shear stress is
Options
A. 10 MPa
B. 30 MPa
C. 50 MPa
D. 100 MPa
Show Answer
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Discuss
Correct Answer: 50 MPa
6. The shear force of a cantilever beam of length
l
carrying a uniformly distributed load of
w
per unit length is __________ at the fixed end.
Options
A. zero
B.
wl
/4
C.
wl
/2
D.
wl
Show Answer
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Discuss
Correct Answer:
wl
7. A localised compressive stress at the area of contact between two members is known as
Options
A. tensile stress
B. bending stress
C. crushing stress
D. shear stress
Show Answer
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Discuss
Correct Answer: crushing stress
8. Modular ratio of the two materials is the ratio of
Options
A. linear stress to linear strain
B. shear stress to shear strain
C. their modulus of elasticities
D. their modulus of rigidities
Show Answer
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Discuss
Correct Answer: their modulus of elasticities
9. A section of beam is said to be in pure bending, if it is subjected to
Options
A. constant bending moment and constant shear force
B. constant shear force and zero bending moment
C. constant bending moment and zero shear force
D. none of the above
Show Answer
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Discuss
Correct Answer: constant bending moment and zero shear force
10. The columns whose slenderness ratio is less than 80, are known as
Options
A. short columns
B. long columns
C. weak columns
D. medium columns
Show Answer
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Discuss
Correct Answer: short columns
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