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Machine Design

Machine Design
The wear load should be __________ the dynamic load.

Less than
Greater than
None of these
Equal to

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Machine Design
The groove angle of the pulley for rope drive is usually

60°
35°
45°
20°

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Machine Design
Tensile strength of a mild steel specimen can be roughly predicted from following hardness test

Brinell
None of these
Vickers
Rockwell

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Machine Design
The rivet head used for boiler plate riveting is usually

Pan Head
Snap head
Counter sunk head
Conical head

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Machine Design
In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing.

Thin film
None of these
Thick film
Either A or B

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Machine Design
For crank shaft bearings, the ratio of the length of the journal to its diameter is_________.

Less than unity
Equal to 1
Greater than unity
None of these

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