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Mechanical Engineering
‣
Strength of Materials
Comments
Question
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
Correct Answer
their modulus of elasticities
Strength of Materials problems
Search Results
1. 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
Scratch Pad
Discuss
Correct Answer: crushing stress
2. 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
3. Poisson's ratio is the ratio of linear stein to the volumetric strain.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: False
4. 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
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Discuss
Correct Answer:
L
=
l
/2
5. The maximum shear stress in a thin spherical shell subjected to an internal pressure (
p
) is zero.
Options
A. Yes
B. No
Show Answer
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Discuss
Correct Answer: Yes
6. 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
7. 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
8. The lower layer of the beam as shown in the below figure, will be
Options
A. in tension
B. in compression
C. neither in tension nor in compression
Show Answer
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Correct Answer: in tension
9. A square beam and a circular beam have the same length, same allowable stress and the same bending moment. The ratio of weights of the square beam to the circular beam is
Options
A. 1/2
B. 1
C. 1/1.12
D. 1/
2
Show Answer
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Discuss
Correct Answer: 1/1.12
10. The perpendicular distance between the centre lines of the successive rows, is called pitch.
Options
A. Agree
B. Disagree
Show Answer
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Discuss
Correct Answer: Disagree
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