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Machine Design

Machine Design
A rivet is specified by

Type of head
Length of rivet
Length of tail
Shank diameter

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Machine Design
Which of the following bearing is preferred for oscillating conditions?

Angular contact single row ball bearing
Taper roller bearing
Double row roller bearing
Needle roller bearing

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Machine Design
In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft)

2d + 20 mm
3.5 d
2d + 13 mm
d + 17 mm

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Machine Design
In case of pressure vessels having open ends, the fluid pressure induces

Shear stress
None of these
Circumferential stress
Longitudinal stress

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Machine Design
The contact ratio for gears is

Less than one
Zero
Greater than one
None of these

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Machine Design
The constant factor in case of R10 series of preferred numbers is

1.26
1.12
1.58
1.06

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