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Home
‣
Mechanical Engineering
‣
Strength of Materials
Comments
Question
In the below figure, the point
E
represents the maximum stress.
Options
A. True
B. False
Correct Answer
False
Strength of Materials problems
Search Results
1. When a bar of length
l
, width
b
and thickness
t
is subjected to a pull of
P
, its
Options
A. length, width and thickness increases
B. length, width and thickness decreases
C. length increases, width and thickness decreases
D. length decreases, width and thickness increases
Show Answer
Scratch Pad
Discuss
Correct Answer: length increases, width and thickness decreases
2. Which of the following statement is correct?
Options
A. The stress is the pressure per unit area.
B. The strain is expressed in mm.
C. Hook's law holds good upto the breaking point.
D. Stress is directly proportional to strain within elastic limit.
Show Answer
Scratch Pad
Discuss
Correct Answer: Stress is directly proportional to strain within elastic limit.
3. The volumetric strain is the ratio of the
Options
A. original thickness to the change in thickness
B. change in thickness to the original thickness
C. original volume to the change in volume
D. change in volume to the original volume
Show Answer
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Discuss
Correct Answer: change in volume to the original volume
4. A bolt is made to pass through a tube and both of them are tightly fitted with the help of washers and nuts. If the nut is tightened, then
Options
A. bolt arid tube are under tension
B. bolt and tube are under compression
C. bolt is under compression and tube is under tension
D. bolt is Under tension and tube is under compression
Show Answer
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Discuss
Correct Answer: bolt is Under tension and tube is under compression
5. When a body is subjected to a direct tensile stress (?) in one plane, the maximum shear stress is __________ the maximum normal stress.
Options
A. equal to
B. one-half
C. two-third
D. twice
Show Answer
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Discuss
Correct Answer: one-half
6. Strain is equal to (where
l
= Original length, and ?
l
= Change in length)
Options
A.
l
/?
l
B. ?
l
/
l
C.
l
.?
l
D.
l
+ ?
l
Show Answer
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Discuss
Correct Answer: ?
l
/
l
7. A shaft revolving at ? rad / s transmits torque (
T
) in N-m. The power developed is
Options
A.
T
.? watts
B. 2 ? T? watts
C.
watts
D.
watts
Show Answer
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Discuss
Correct Answer:
T
.? watts
8. The unit of modulus of elasticity is same as those of
Options
A. stress, strain and pressure
B. stress, force and modulus of rigidity
C. strain, force and pressure
D. stress, pressure and modulus of rigidity
Show Answer
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Discuss
Correct Answer: stress, pressure and modulus of rigidity
9. The pull required to crush the rivet per pitch length is
Options
A.
p
.
t
.?
t
B.
d
.
t
.?
c
C. ?/4 x
d
2
x ?
t
D. ?/4 x
d
2
x ?
c
Show Answer
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Discuss
Correct Answer:
d
.
t
.?
c
10. The breaking stress is __________ the ultimate stress.
Options
A. equal to
B. less than
C. greater than
Show Answer
Scratch Pad
Discuss
Correct Answer: less than
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