Engineering - Civil Enginnering
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| 13. |
Efficiency of a riveted joint, having the minimum pitch as per IS : 800, is
|
| A. |
40% |
B.
|
50% |
|
C.
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60%
|
D.
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70%
|
|
Answer: Option C
Explanation:
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| 14. |
Select the correct statement
|
| A. |
Material cost of a rivet is higher than that of a bolt. |
B.
|
Tensile strength of a bolt is lesser than that of a rivet. |
|
C.
|
Bolts are used as a temporary fastenings whereas rivets are used as permanent fastenings.
|
D.
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Riveting is less noisy than bolting.
|
|
Answer: Option C
Explanation:
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| 15. |
Bolts are most suitable to carry
|
| A. |
shear |
B.
|
bending |
|
C.
|
axial tension
|
D.
|
shear and bending
|
|
Answer: Option C
Explanation:
|
| 16. |
Diameter of a bolt hole is usually taken as
|
| A. |
gross diameter of bolt |
B.
|
nominal diameter + 1.5 mm |
|
C.
|
nominal diameter + 2.0 mm
|
D.
|
nominal diameter of bolt
|
|
Answer: Option B
Explanation:
|
| 17. |
When the bolts are subjected to reversal of stresses, the most suitable type of bolt is
|
| A. |
black bolt |
B.
|
ordinary unfinished bolt |
|
C.
|
turned and fitted bolt
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D.
|
high strength bolt
|
|
Answer: Option D
Explanation:
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| 18. |
In the cross-section of a weld, throat is the
|
| A. |
minimum dimension |
B.
|
average dimension |
|
C.
|
maximum dimension
|
D.
|
none of the above
|
|
Answer: Option A
Explanation:
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