2017-8-25 Purification Technology Edition Daily Question
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When a container that has stored or contained harmful gases or liquids is opened, it should ( ). (A) Enter and work immediately. (B) Enter the equipment wearing a filtered gas mask. (C) Analyze the gases inside the tank; entry is permitted only if they are within acceptable limits. (D) Wait for half an hour for the gases to be replaced before entering. Answer: (C) Coalification Sector – Purification Technology Edition; 2017 Coal Chemical Industry “My Technical Upgrades” Contest (large prizes available). http://bbs.hcbbs.com/thread-1786290-1-1.html Registration for Chemical Engineers – Experience Sharing Event “Learning from Others’ Experiences”. http://bbs.hcbbs.com/thread-1808158-1-1.html
(C) Analyze the gas inside the tank; entry is permitted only if it meets the standards
(C) Analyze the gas inside the tank; entry is permitted only if it meets the standards
(C) Analyze the gas inside the tank; entry is permitted only if it meets the standards