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Machine Design

Machine Design
A single strap butt joint is always in __________ shear.

None of these
Triple share
Single
Double

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Machine Design
The expansion joint is mostly used for pipes which carry steam at __________ pressures.

Medium
Low
High
None of these

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Machine Design
The ratio of the ultimate stress to the design stress is known as

Elastic limit
Strain
Bulk modulus
Factor of safety

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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/sec³φ
T sec²φ
T cosecφ
T sec³φ

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Machine Design
In Vickers hardness testing, the pyramid indentor apex is

40°
136°
122°
152°

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Machine Design
According to Indian standard specifications, a Grey cast iron designated by 'FG 200' means that the

Maximum shear strength is 200 N/mm²
Carbon content is 2%
Minimum tensile strength is 200 N/mm²
Maximum compressive strength is 200 N/mm²

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