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Machine Design

Machine Design
The helix angle for single helical gears ranges from

15° to 20°
10° to 15°
35° to 50°
20° to 35°

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Machine Design
A thin spherical shell of internal diameter d is subjected to an internal pressure p. If V is the storage capacity of shell, then its diameter will be

(6V/ π)2
(6V/ π)1/3
(6V/ π)1/2
(6V/ π)3

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Machine Design
The property of a bearing material which has the ability to accommodate shaft deflections and bearing inaccuracies by plastic deformation without excessive wear and heating, is known as

Bondability
Embeddability
Comformability
Fatigue strength

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Machine Design
The notch angle of the Izod impact test specimen is

10°
20°
30°
45°

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Machine Design
The yield point in static loading is __________ as compared to fatigue loading.

None of these
Same
Lower
Higher

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Machine Design
If T is the actual number of teeth on a helical gear and φ is the helix angle for the teeth, then formative number of teeth is written as

T sec²φ
T/sec³φ
T cosecφ
T sec³φ

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