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Machine Design

Machine Design
In a flange coupling, the flanges are coupled together by means of

Headless taper bolts
Bolts and nuts
Studs
None of these

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Machine Design
In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole to the nearest edge of the plate should be equal to (where d = Diameter of rivet hole)

2 d
2.5 d
1.5 d
1 d

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Machine Design
A backing ring is used inside the pipe joint when making a

Socket weld
Fillet weld
Butt weld
Sleeve weld

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Machine Design
In order to withstand resistance to wear, the best profile of gear is

14½° stub tooth
14½° full depth involute tooth
20° involute stub tooth
20° full depth involute tooth

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Machine Design
Transverse fillet welded joints are designed for

Compressive strength
Shear strength
Bending strength
Tensile strength

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Machine Design
The groove angle of the pulley for rope drive is usually

60°
35°
45°
20°

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