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Machine Design

Machine Design
The most important dimension in the design of a nut is

Inside diameter
Pitch diameter
Outside diameter
Height

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Machine Design
The bearings of medium series have capacity __________ over the light series.

20 to 30%
40 to 50%
30 to 40%
10 to 20%

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Machine Design
When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring)

(2WD/ πd3) × K
(4WD/ πd3) × K
(8WD/ πd3) × K
(WD/ πd3) × K

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Machine Design
In a journal bearing, the load on the bearing is __________ to the axis of the journal.

Both A and B
None of these
Parallel
Perpendicular

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Machine Design
A leaf spring in automobiles is used

To measure forces
To store strain energy
To apply forces
To absorb shocks

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Machine Design
The rivet head used for boiler plate riveting is usually

Snap head
Counter sunk head
Pan Head
Conical head

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