Information and IdeasMediumDetail: what a practice prevents
Information and Ideas practice question
The bell-ringers oil the bearings before every practice, not after. Oil applied after ringing runs down the warm metal and off it; oil applied before, to cold bearings, stays where it is put.
According to the text, why do the ringers oil the bearings before ringing rather than after?
- A. Because oil put on cold bearings stays in place, while oil on warm ones runs off.Correct
- B. Because the bells are quieter when oiled.
- C. Because there is no time afterwards.
- D. Because the oil dries overnight.
Answer: A. Because oil put on cold bearings stays in place, while oil on warm ones runs off.
Cold metal holds the oil.
Why the other answers are wrong
- B. Because the bells are quieter when oiled.
- Not mentioned.
- C. Because there is no time afterwards.
- Not mentioned.
- D. Because the oil dries overnight.
- Not mentioned.
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