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Machine Design

Machine Design
Applications in which stresses are encountered in one direction only uses following type of threads

Buttress
Metric
Acme
Square

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

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

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Machine Design
A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called

Hydrostatic lubricated bearing
Boundary lubricated bearing
Hydrodynamic lubricated bearing
Zero film bearing

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Machine Design
When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as

Crown bevel gears
Internal bevel gears
Mitre gears
Angular bevel gears

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Machine Design
The size of a gear is usually specified by

Diametral pitch
Circular pitch
Pitch circle diameter
Pressure angle

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Machine Design
The longitudinal stress is __________ of the circumferential stress.

Double
Two-third
One-half
Three-fourth

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MORE MCQ ON Machine Design

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