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Machine Design

Machine Design
Crushing resistance required to crush the rivet per pitch length is

p.d.σc
n.d.t.σc
(p - d) t.σc
p.t.σc

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Machine Design
Surface endurance limit of gear material is dependent upon its

Brinell hardness number
Yield strength
Toughness
Elastic strength

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Machine Design
Taper on the cotter and slot is provided

May be provided anywhere
On one side only
On none of the sides
On both the sides

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Machine Design
In a flange coupling, the keys are staggered at __________ along the circumference of the shafts in order to divide the weakening effect caused by key ways.

135°
160°
180°
90°

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Machine Design
If a load W is applied instantaneously on a bar; Then the stress induced in bar will

Depend on other considerations
Increase with increase in y
Be independent of ratio of mass of load W to mass of bar (y)
Decrease with decrease in y

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Machine Design
An alien bolt is

Same as stud
Self locking bolt
Provided with hexagonal depression in head
Used in high speed components

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