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Machine Design

Machine Design
The gears are termed as medium velocity gears, if their peripheral velocity is

3-15 m/s
15-30 m/s
30-50 m/s
1-3 m/s

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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
Perpendicular
Parallel

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Machine Design
The resistance to fatigue of a material is measured by

Ultimate tensile strength
Endurance limit
Elastic limit
Young's modulus

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Machine Design
The bending stress in a curved beam is

None of these
Maximum at the neutral axis
Zero at the centroidal axis
Zero at the point other than centroidal axis

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Machine Design
If T is the actual number of teeth on a helical gear and φ is the helix angle for the teeth, then formative number of teeth is written as

T sec³φ
T sec²φ
T cosecφ
T/sec³φ

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Machine Design
The property of a material which enables it to be drawn into wires with the application of a tensile force, is called

Plasticity
Ductility
Elasticity
Malleability

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