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Machine Design

Machine Design
In a transverse fillet welded joint, the size of weld is __________ the throat of weld.

2 times
Equal to
Double
0.5 times

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

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

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Machine Design
The square threads are usually found on

Feed mechanism of machine tools
Screw cutting lathes
Spindles of bench vices
Railway carriage couplings

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Machine Design
Resistance to fatigue of a material is measured by

Elastic limit
Young's modulus
Coefficient of elasticity
Endurance limit

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Machine Design
The pipe joint mostly used for pipes carrying water at low pressures is

Union joint
Nipple joint
Spigot and socket joint
Socket joint

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Machine Design
For low and moderate speed engines, the cam follower should move with

Simple harmonic motion
Cycloidal motion
Uniform velocity
Uniform acceleration and retardation

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