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Machine Design

Machine Design
The material generally used for aircraft components is

Aluminium
Mild steel
High speed steel
Stainless steel

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Machine Design
A steel containing 0.8% carbon is known as

Hypo-eutectoid steel
Eutectoid steel
None of these
Hypereutectoid steel

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

20°
30°
45°
10°

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Machine Design
The strength of the unriveted plate (P) per pitch length is equal to

p.d.σt
(p - d) σt
(p - d) t.σt
p.t.σt

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Machine Design
A connecting rod should be

Equally strong in buckling about X-axis and Y-axis
Any one of the above
Strong in buckling about X-axis
Strong in buckling about Y-axis

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Machine Design
A shaft coupling should

Transmit full power of the shaft
Hold the shafts in perfect alignment
Be easy to connect or disconnect
All of these

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