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Machine Design

Machine Design
The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod)

0.8 d
0.5 d
1.2 d
d

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Machine Design
The tension on the slack side of the belt is __________ the tension on the tight side of the belt.

Greater than
Less than
None of these
Equal to

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Machine Design
For general industrial machinery, the ratio of the length of journal to its diameter is taken as

0.5 to 1
3 to 5
5 to 10
1 to 2

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Machine Design
A tapered key which fits in a key way in the hub and is flat on the shaft, is known as

Wood ruff key
Feather key
Gib-head key
Flat saddle key

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Machine Design
If a bearing is designated by the number 305, it means that the bearing is of

Light series whose bore is 25 mm
Medium series whose bore is 5 mm
Light series whose bore is 5 mm
Medium series whose bore is 25 mm

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Machine Design
For standard coarse threads of nut, the threads will be as strong in failure by shear as the bolt in tension, if the height of nut (h) is approximately

0.8 times
0.4 times
0.6 times
0.7 times

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