Suggest the type of lubricant used for the following jobs: i) Clock ii) I.C. Engines iii) Gears iv) Sewing machine

Suggest the type of lubricant used for the following jobs: i) Clock ii) I.C. Engines iii) Gears iv) Sewing machine
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1 Answer

Answer :

i) Clock : Vegetable and animal oils like palm oil, hazel nut oil, neat foot oil, etc

ii) I.C. Engines: Mineral oils containing additives are used.

iii) Gears: Thick mineral oils containing extreme pressure additives (like metallic soaps).State any four functions of lubricants.

iv) Sewing machine : Mineral oil, silicones, thin vegetable and animal oils like palm oil, hazel nut oil, neat foot oil.
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