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Machine Design

Machine Design
In a marine flange coupling, the thickness of flange is taken as

d/4
d/3
d/2
3d/4

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Machine Design
The anti-friction bearings

Can carry both radial and thrust loads
Have low starting and low running friction at moderate speeds
Have high initial cost
All of these

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Machine Design
If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (neglecting centrifugal tension) will be equal to (Where, Pc is centrifugal tension)

[⅟₂ × (P1 + P2)] + Pc
P1 + P2
⅟₂ × (P1 + P2)
P1 - P2

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Machine Design
The pitch of threads on a Jock nut in comparison to pitch of nut is

Finer
Same
Coarser
Very fine

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Machine Design
The radial distance from the __________ to the clearance circle is called working depth.

Pitch circle
Addendum circle
None of these
Dedendum circle

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Machine Design
The strength of a riveted joint is equal to

Crushing strength of rivet (Pc)
Tearing strength of plate (Pt)
Shearing strength of rivet (Ps)
Least value of Pt Ps and Pc

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