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Machine Design

Machine Design
The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under load W will be

44047
43869
43929
44045

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Machine Design
In a marine flange coupling, the pitch circle diameter of bolts is taken as

1.2 d
2.5 d
1.6 d
2 d

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Machine Design
Creep in belt is due to

Material of the pulley
Uneven extensions and contractions due to varying tension
All of these
Material of the belt

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Machine Design
Which of the following welded joint is designed for shear strength?

Transverse fillet welded joint
All of these
Parallel fillet welded joint
Butt welded joint

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Machine Design
Basic shaft is one

Whose lower as well as upper deviations are zero
Does not exist
Whose lower deviation is zero
Whose upper deviation is zero

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Machine Design
The objective of idler pulley in belt drive is to

Decrease the tendency of belt to slip
Increase the wrap angle and belt tension
All the above objectives
Increase the power transmission capacity

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