Machine Design
A key made from a cylindrical disc having segmental cross-section, is known as

Woodruff key
Feather key
Flat saddle key
Gib head key

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Machine Design
Which is correct statement? Stress concentration in static loading is

Seriousness would depend on other factors
Very serious in brittle materials and less serious in ductile materials
Very serious in ductile materials and less serious in brittle materials
Equally serious in both types of materials

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Machine Design
Turn buckle has

No threads
Right hand threads on bout ends
Left hand threads on one end and right hand threads on other end
Left hand threads on both ends

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