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Machine Design

Machine Design
A rivet is specified by

Length of tail
Shank diameter
Length of rivet
Type of head

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Machine Design
When compared to the rod of the same diameter and material, a wire rope

Does not provide much warning before failure
Has a much smaller load carrying capacity
Provides much greater time for remedial action before failure
Is less flexible

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Machine Design
Eye bolts are used for

Foundation purposes
Absorbing shock and vibrations
Transmission of power
Lifting and transportation of machines and cubicles

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Machine Design
The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by Where m = mass of belt per meter (kg/m) v = belt velocity (m/s) f = coefficient of friction a = angle of wrap (radians)

P1 / P2 = e–ᶠα
(P1 - mv²)/ (P2 - mv²) = e–ᶠα
P1 / P2 = eᶠα
(P1 - mv²)/ (P2 - mv²) = eᶠα

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Machine Design
The design of the pressure vessel is based on

Hoop stress
Longitudinal stress
None of these
Longitudinal and hoop stress

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Machine Design
When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as

Angular bevel gears
Internal bevel gears
Crown bevel gears
Miter gears

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