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PRASOON MISHRA

· started a discussion

· 1 Months ago

atleast obtion to shi do

Question:

Which of following is used as a lubricant in heavy machines?

Options:
A)

Bauxite

B)

Sulphur

C)

Phosphorus

D)

Graphite

Solution:

Graphite is used as a lubricant in heavy machines.

  

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