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Machine Design

Machine Design
For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be

8
6
4
10

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Machine Design
In a flange coupling, the flanges are coupled together by means of

Bolts and nuts
Headless taper bolts
Studs
None of these

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Machine Design
If an application calls for stresses on screw threads in one direction only, then the following type of thread would be best suited

Square
Buttress
BSW
Acme

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Machine Design
Lewis equation is applied

To stronger of the pinion or gear
Only to the pinion
To weaker of the pinion or gear
Only to the gear

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Machine Design
The value of stress concentration factor depends upon

Material and geometry of the part
None of these
Material of the part
Geometry of the part

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Machine Design
In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis.

Equal to
Twice
Four times
Three times

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