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Machine Design

Machine Design
Rankine's theory is used for

Plastic materials
Ductile materials
Brittle materials
Elastic materials

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Machine Design
The valve rod in a steam engine is connected to an eccentric rod by

Knuckle joint
Bolted joint
Universal coupling
Cotter joint

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Machine Design
Oil in journal bearing should be applied at the point where load is

Any one of the above
Average
Nil or lightest
Maximum

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Machine Design
Which of the following statement is correct for gears?

All of these
The pitch circle is always greater than the base circle
The pitch circle diameter is equal to the product of module and number of teeth
The addendum is less than dedendum

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Machine Design
According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness of plate (t) is given by (where d and t are in mm)

d = 1.6√t
d = √t
d = 6√t
d = 2√t

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Machine Design
In helical gears, the distance parallel to the axis, between similar faces of adjacent teeth, is called

Axial pitch
Normal pitch
Diametral pitch
Module

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