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Machine Design

Machine Design
In standard taper roller bearings, the angle of taper of outer raceway is

8°
5°
25°
15°

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Machine Design
The resultant axial load on a bolt depends on

Initial tension
External load applied
Relative elastic yielding (springness) of the bolt and the connected member
All of these

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Machine Design
In a marine flange coupling, the pitch circle diameter of bolts is taken as

1.6 d
2.5 d
1.2 d
2 d

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Machine Design
Cast iron pipes are mainly used

For conveying steam
In pressure lubrication systems on prime movers
In water and sewage systems
All of these

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Machine Design
The strength of the unriveted plate (P) per pitch length is equal to

(p - d) σt
p.d.σt
p.t.σt
(p - d) t.σt

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Machine Design
When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as

Angular bevel gears
Mitre gears
Internal bevel gears
Crown bevel gears

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