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Machine Design

Machine Design
In a marine flange coupling, the thickness of flange is taken as

d/2
3d/4
d/3
d/4

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Machine Design
A leaf spring in automobiles is used

To measure forces
To apply forces
To store strain energy
To absorb shocks

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Machine Design
According to Indian standard specifications, a Grey cast iron designated by 'FG 200' means that the

Maximum shear strength is 200 N/mm²
Carbon content is 2%
Minimum tensile strength is 200 N/mm²
Maximum compressive strength is 200 N/mm²

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Machine Design
Ball bearing type screws are found in following application

Crane
Aeroplane engines
Steering mechanism
Screw jack

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Machine Design
In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole to the nearest edge of the plate in terms of dia. of rivet d should be equal to

1.75 d
1.25 d
1.5 d
1 d

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Machine Design
The value of Lewis form factor used in design of gears is

Dependent on system of teeth
Dependent on number of teeth of a gear
All of these
Independent of size of teeth

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