Machine-translated by Google. Questions are authored in English.
Top

Discussion

Which condition prevents purging?

  • A.High load, at which the manifold depression is greatest and the purge would therefore be excessive
  • B.Nothing
  • C.Operating conditions where the mixture disturbance could not be tolerated, such as idle or a cold engine
  • D.Idle and cold running on many strategies

Answer: D

Purging at idle or when cold would upset an already marginal mixture. The last option explains exactly that reasoning, which makes it a correct and more instructive version. Depression is greatest at idle, not at high load. Checking which component actually carries the load settles most questions of this kind at once. Reading the definition literally, rather than recalling a summary, avoids the usual confusion. Most errors here come from carrying across a result from a neighbouring case where it does not hold.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.