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Which one of the following is NOT used t...

Which one of the following is NOT used to reduce friction ?

A

Oil

B

Ball bearings

C

Sand

D

Graphite

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Which of the following should be used to reduce friction on a carrom board ?

    A
    a lubricating oil
    B
    a dry lubricant
    C
    a layer of grease
    D
    fine white powder

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    D
    Ibuprofen

  • Which of the following is used to reduce TiCl_4 to Ti?

    A
    C
    B
    Al
    C
    Mg
    D
    `H_2`

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