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Machine Design

Machine Design
A locking device extensively used in automobile industry is a

Ring nut
Jam nut
Sawn nut
Castle nut

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Machine Design
A transmission shaft includes

All of these
Line shaft
Counter shaft
Over head shaft

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Machine Design
The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under load W will be

43929
44045
44047
43869

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Machine Design
If an application calls for stresses on screw threads in one direction only, then the following type of thread would be best suited

Buttress
Acme
BSW
Square

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

180°
360°
270°
120°

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Machine Design
The connecting rod bolts are tightened up so that tightening stress

Is about yield point divided by safety factor
Is 50% of yield point
Approaches yield point
Is just sufficient to hold parts together

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