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Machine Design

Machine Design
In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft)

5 d
2 d
4 d
3 d

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Machine Design
In a horizontal flat belt drive, it is customary to use

None of these
Idler pulley
Top side of belt as slack side
Bottom side of belt as slack side

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Machine Design
A shaft is subjected to

All of these
Combined bending and shear stresses
Bending stresses
Shear stresses

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

Shear stress
None of these
Longitudinal stress
Circumferential stress

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Machine Design
For steel, the ultimate strength in shear as compared to ultimate strength in tension is

43834
43864
43833
43832

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Machine Design
The centre distance between two meshing involute gears is equal to

Sum of pitch circle radii/cosφ
Sum of base circle radii/cosφ
Difference of pitch circle radii/cosφ
Difference of base circle radii/cosφ

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