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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

43929
44047
44045
43869

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Machine Design
Euler’s formula for a mild steel column is not valid if the slenderness ratio is

60
100
90
120

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Machine Design
The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm)

2080 d
1680 d
2840 d
1420 d

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Machine Design
Resilience of a material is important, when it is subjected to

Thermal stresses
Fatigue
Shock loading
Combined loading

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Machine Design
Which one of the following is a positive drive?

Rope drive
V-belt drive
Chain drive
Crossed flat belt drive

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

Studs
Bolts and nuts
None of these
Headless taper bolts

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