Practice questions on June 30, 2017; replies will earn 0–6 points (no scoring for replies sent more than 1 day after posting). Thank you for your replies
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Multiple-choice question: (No points will be given for selecting too many or too few options) When there is a leak in the pressure relief system, the measures that should be taken are (A, C). A. Break the vacuum. B. Use fire steam to extinguish the fire while maintaining production. C. Blow steam into the vacuum distillation tower to restore normal pressure. D. Use fire steam to put out the fire, and then carry out repairs to seal the leaks. No scoring will be given for replies within 1 day of posting; thank you for your replies
When the pressure relief system leaks, the measures that should be taken are (AC). A. Break the vacuum B. Use fire steam to extinguish the fire while maintaining production C. Blow steam into the vacuum distillation tower to restore normal pressure D. Use fire steam to extinguish the fire, and then carry out leak sealing and repair work