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Machine Design

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

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

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Machine Design
Tensile strength of a mild steel specimen can be roughly predicted from following hardness test

Brinell
None of these
Vickers
Rockwell

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Machine Design
In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft)

2d + 13 mm
d + 17 mm
3.5 d
2d + 20 mm

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Machine Design
The strap end of a connecting rod of steam engine is joined by

Gib of cotter joint
Spigot socket cotter joint
Knuckle joint
Sleeve and cotter joint

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Machine Design
The buckling load will be maximum for a column, if

One end of the column is hinged and the other end is free
Both ends of the column are clamped
Both ends of the column are hinged
One end of the column is clamped and the other end is free

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

Hexagonal nut
Slotted nut
Castle nut
Any one of the above

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