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Machine Design

Machine Design
A locking device extensively used in automobile industry is a

Castle nut
Sawn nut
Jam nut
Ring nut

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Machine Design
The smallest diameter of an external or internal screw thread is known as

None of these
Major diameter
Minor diameter
Pitch diameter

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Machine Design
If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by

ZN/p
Z/pN
N/Zp
p/ZN

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Machine Design
18/8 steel contains

18% nickel and 8% chromium
18% vanadium and 8% nickel
18% chromium and 8% nickel
18% nickel and 8% vanadium

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Machine Design
The radial distance of a tooth from the pitch circle to the top of the tooth is called

Working depth
Addendum
Dedendum
Clearance

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Machine Design
For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be

4
6
10
8

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