Question 1 Remove Topic Question Text What is the minimum and maximum distance apart for the two self-closing gastight steel doors of an airlock? Explanation An airlock must have two self-closing, gastight, steel doors without any holding back arrangements. These doors must be at least 1.5 m but no more than 2.5 m apart, and the space is artificially ventilated from a non-hazardous area and maintained at an overpressure. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
Question 2 Remove Topic Question Text When will the audible alarm of an airlock sound? Explanation An airlock has two alarms: a visible alarm that indicates if one door is open, and an audible alarm that sounds if doors on both sides of the airlock are moved from the closed positions simultaneously — warning that the gastight separation has been compromised. Option 1 Remove Option 2 Remove Option 3 Remove Option 4 Remove Add Option
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