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Machine Design

Machine Design
In a flange coupling, the bolts are subjected to

Shear stress
Tensile stress
None of these
Compressive stress

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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.

180°
135°
90°
160°

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

p.t.σt
p.d.σt
(p - d) σt
(p - d) t.σt

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Machine Design
An Involute pinion and gear are in mesh. If both have the same size of addendum, then there will be interference between the

Flanks of both gear and pinion
Tip of both gear and pinion
Tip of the pinion and flank of gear
Tip of the gear and flank of pinion

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Machine Design
In static loading, stress concentration is more serious in

Brittle as well as ductile materials
Brittle materials
Ductile materials
Elastic materials

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Machine Design
Which of the following screw thread is used for power transmission in one direction only?

Multiple threads
Buttress threads
Acme threads
Square threads

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