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Machine Design

Machine Design
The pitch of threads on a Jock nut in comparison to pitch of nut is

Same
Coarser
Very fine
Finer

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Machine Design
A taper key which fits half in the key way of the hub and half in the key way of shaft, is known as

Crown Bevel gears
Internal bevel gears
Angular bevel gears
Mitre gears

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Machine Design
In designing thick cylinders, the equation used is

Lame's equation
Birnie's equation
All of these
Clavarinos' equation

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Machine Design
When screw threads are to be used in a situation where power is being transmitted in one direction only, then the screw threads suitable for this will be

Knuckle threads
Acme threads
Square threads
Buttress threads

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Machine Design
Transverse fillet welded joints are designed for

Bending strength
Shear strength
Compressive strength
Tensile strength

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Machine Design
According to I.B.R., shearing resistance required to shear off the rivet per pitch length (in double shear) is (where n = Number of rivets per pitch length)

2 × (π/4) d² × τ × n
3 × (π/4) d² × τ × n
(π/4) d² × τ × n
1.875 × (π/4) d² × τ × n

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