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Sliver sulphate, tungsten disulphide, graphite,...

Sliver sulphate, tungsten disulphide, graphite, molybdenum disulphide, lead oxide are examples of

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asked Sep 25, 2022 in Machine Kinematics by Leo (38.0k points)

Sliver sulphate, tungsten disulphide, graphite, molybdenum disulphide, lead oxide are examples of

(a) boundary lubrication

(b) viscous lubrication

(c) solid lubrication

(d) none of the mentioned

I have been asked this question in semester exam.

I'm obligated to ask this question of Limiting Angle of Friction in division Friction of Machine Kinematics

machine kinematics
friction
limiting angle of friction

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1 Answer

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answered Oct 21, 2022 by Greg (106k points)

Right choice is (c) solid lubrication

To explain I would say: Sliver sulphate, tungsten disulphide, graphite, molybdenum disulphide, lead oxide are examples of solid lubrication.

Step bearing is used to resist the end thrust of the shafts.

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