Question

what type of tool needs to be maintained with lubricating oil?
a) screwdriver
b) air ratchet
c) ratchet
d) electric screwdriver

Explanation:

Air ratchets are pneumatic tools. Lubricating oil is used to keep the internal components (like pistons and gears) of pneumatic tools in good working condition by reducing friction and wear. Screwdrivers (both manual and electric) and regular ratchets (non - pneumatic) do not typically require lubricating oil in the same way as air - powered (pneumatic) tools.

Answer:

B. Air ratchet