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Machine Design

Machine Design
A locking device extensively used in marine type connecting rod ends is a

Castle nut
Ring nut
Sawn nut
Jam nut

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Machine Design
The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress.

One-fourth
Double
One-half
One-third

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Machine Design
In a full journal bearing, the angle of contact of the bearing with the journal is

360°
180°
120°
270°

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Machine Design
In most machine members, the damping capacity of the material should be

High
Zero
Could be anything
Low

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Machine Design
Which one of the following is a positive drive?

Chain drive
Crossed flat belt drive
Rope drive
V-belt drive

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Machine Design
For general industrial machinery, the ratio of the length of journal to its diameter is taken as

1 to 2
0.5 to 1
5 to 10
3 to 5

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