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Machine Design

Machine Design
Belt slip may occur due to

Heavy load
Loose belt
Driving pulley too small
All of these

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Machine Design
According to maximum normal stress theory, the maximum normal stress in the shaft is

(1/2) × [σ + √(σ² × 4τ²)]
√(σ² × 4τ²)
σ + √(σ² × 4τ²)
(1/2) × √(σ² × 4τ²)

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Machine Design
Rivets are generally specified by

Nominal diameter
Thickness of plates to be riveted
Diameter of head
Length of rivet

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Machine Design
Allen bolts are

Self locking bolts
Designed for shock load
Provided with hexagonal depression in head
Used in aircraft application

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Machine Design
For longitudinal joint in boilers, the type of joint used is

Butt joint with single cover plate
Butt joint with double cover plate
Lap joint with one ring overlapping the other
Any one of the above

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Machine Design
Silver based solder is used for

Brazing
Soft soldering
Flaring
Fusion welding

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