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Machine Design

Machine Design
In a flange coupling, the flanges are coupled together by means of

None of these
Bolts and nuts
Studs
Headless taper bolts

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Machine Design
Two shafts will have equal strength, if

Diameter of both the shafts is same
Twisting moment of both the shafts is same
Material of both the shafts is same
Angle of twist of both the shafts is same

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Machine Design
Tearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d = Dia. of rivet hole, and σt = Permissible tensile stress for plate material)

(p - d) t.σt
p.d.σt
p.t.σt

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Machine Design
Which of the following property is essential for spring materials?

Ductility
Plasticity
Resilience
Stiffness

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Machine Design
A riveted joint is a __________ fastening.

Either A or B
Temporary
Permanent
None of these

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

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

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