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Machine Design

Machine Design
The material generally used for aircraft components is

Stainless steel
High speed steel
Mild steel
Aluminium

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Machine Design
Taper on the cotter and slot is provided

On none of the sides
May be provided anywhere
On both the sides
On one side only

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Machine Design
A crankshaft is a __________ shaft.

Machine frame
None of these
Machine
Transmission

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Machine Design
The root angle of a bevel gear is equal to

Pitch angle + dedendum angle
Pitch angle - dedendum angle
Pitch angle + addendum angle
Pitch angle - addendum angle

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Machine Design
If b denotes the face width and L denotes the cone distance for a bevel gear, then the bevel factor is written as

1 - 2 b.L
1 - (b/L)
b/2L
b/L

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Machine Design
A screw is said to be over hauling screw, if its efficiency is

Equal to 50%
Less than 50%
None of these
More than 50%

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