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Machine Design

Machine Design
The diameter of the rivet hole is usually __________ the nominal diameter of the rivet.

Equal to
More than
Less than
None of these

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Machine Design
For low and moderate speed engines, the cam follower should move with

Uniform acceleration and retardation
Uniform velocity
Cycloidal motion
Simple harmonic motion

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Machine Design
According to I.B.R., the efficiency of a double riveted butt joint with double cover straps of equal width should be

63 to 70%
45 to 60%
70 to 83%
80 to 90%

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Machine Design
In designing a connecting rod, it is considered like __________ for buckling about X-axis.

One end fixed and the other end free
One end fixed and the other end hinged
Both ends hinged
Both ends fixed

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Machine Design
Two shafts of the same length and material are joined in series. If the ratio of their diameters is 2, then the ratio of their angles of twist will be

2
4
8
16

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Machine Design
For applications involving high stresses in one direction only the following type of thread would be best suited

ISO metric thread
Buttress thread
Square thread
Acme thread

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