Which of the following improper operations will not cause a loss in production due to downtime for repairs?
A) Bypassing safety interlocks
B) Failure to follow flame safety procedure
C) Poor control of excess air and draft control
D) Opening inspection ports when the firebox has a positive pressure or pressure greater than atmospheric
Answer: D
Explanation: A) Incorrect. Bypassing safety interlocks can cause a loss in production due to downtime for repairs.
B) Incorrect. Failure to follow flame safety procedure can cause a loss in production due to downtime for repairs.
C) Incorrect. Poor control of excess air and draft control can cause a loss in production due to downtime for repairs.
D) Correct. Opening inspection ports when the firebox has a positive pressure or pressure greater than atmospheric will not cause a loss in production due to downtime for repairs.
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