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Machine Design

Machine Design
In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be

15
21
25
17

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Machine Design
The suitable material for belt used in flour mill is

Rubber
Canvas or cotton duck
Leather
Balata gum

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Machine Design
The dedendum is the radial distance from the

Top of a tooth to the bottom of a tooth
Pitch circle to the top of a tooth
Addendum circle to the clearance circle
Pitch circle to the bottom of a tooth

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Machine Design
The application of third type levers is found in

Handle of a hand pump
Lever of a loaded safety valve
Hand wheel of a punching press
A pair of tongs

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Machine Design
In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle.

Larger than
Equal to
None of these
Smaller than

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Machine Design
According to Indian standard specifications, 100 H6/g5 means that the

Actual size is 100 mm
Difference between the actual size and basic size is 100 mm
None of these
Basic size is 100 mm

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