Which is not a reason why compressed air is preferred over vacuuming for cleaning dust from a circuit board? Choose one:

  1. Compressed air can generally provide greater cleaning power

  2. Compressed air is less likely to cause ESD damage

  3. Compressed air is less likely to spread dust

  4. None of the above


Correct Option: C
Explanation:

To answer this question, the user needs to know the advantages of using compressed air over vacuuming for cleaning dust from a circuit board.

Option A: This option is a valid reason why compressed air is preferred over vacuuming. Compressed air is generally more powerful and can remove more dust and debris than a vacuum.

Option B: This option is also a valid reason why compressed air is preferred over vacuuming. Vacuuming can generate static electricity, which can damage sensitive electronic components. Compressed air is less likely to cause ESD damage.

Option C: This option is incorrect. Vacuuming is more likely to spread dust around the circuit board, while compressed air blows the dust away from the board.

Option D: This option is incorrect. Options A and B are both valid reasons why compressed air is preferred over vacuuming.

Therefore, the answer is: C

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