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Machine Design

Machine Design
The steel pulleys are __________ in weight than cast iron pulleys of the same capacity.

Moderate
Lighter
None of these
Heavier

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Machine Design
Factor of safety for fatigue loading is the ratio of

Endurance limit to the working stress
Young's modulus to the ultimate tensile strength
Elastic limit to the yield point
Elastic limit to the working stress

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Machine Design
In designing a connecting rod, it is considered like __________ for buckling about X-axis.

One end fixed and the other end free
One end fixed and the other end hinged
Both ends fixed
Both ends hinged

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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

44047
44045
43929
43869

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Machine Design
A connecting rod subjected to an axial load may buckle with

X-axis or Y-axis as neutral axis
Z-axis
X-axis as neutral axis
Y-axis as neutral axis

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Machine Design
If a bearing is designated by the number 305, it means that the bearing is of

Light series whose bore is 25 mm
Medium series whose bore is 25 mm
Light series whose bore is 5 mm
Medium series whose bore is 5 mm

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