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Machine Design

Machine Design
The following type of nut is used with alien bolt

Any one of the above
Hexagonal nut
Castle nut
Slotted nut

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Machine Design
The constant factor in case of R10 series of preferred numbers is

1.58
1.12
1.26
1.06

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Machine Design
The maximum shear stress theory is used for

Plastic materials
Nonferrous materials
Ductile materials
Brittle materials

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Machine Design
The smallest diameter of an external or internal screw thread is known as

None of these
Minor diameter
Major diameter
Pitch diameter

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Machine Design
The surface finish factor for a mirror polished material is

1
0.45
0.85
0.65

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Machine Design
In a flange coupling, the keys are staggered at __________ along the circumference of the shafts in order to divide the weakening effect caused by key ways.

160°
135°
90°
180°

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