Questions
To reduce friction between the moving parts of a machine, the liquid used must have
a
High viscosity
b
Low viscosity
c
Low density
d
Low boiling point
detailed solution
Correct option is A
To reduce friction a thin layer of lubricants is to be maintained between the moving parts of a machine. Thin layer of liquid can be maintained at high pressure if the liquid has high viscosity.Talk to our academic expert!
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The volume of a liquid of density and viscosity flowing in time t through a capillary tube of length / and radius R, with a pressure difference P, across its ends is proportional to.
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