Daily Safety Technology Quiz (Single-choice Question) (2016.8.16)
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1. To ensure the safety of the oxidation reaction process, prevent the spread of flames, and avoid backfire, _____ should be installed on the reactors and pipelines. A. Pressure relief device B. Automatic control C. Alarm interlock D. Flame arrester 2. During maintenance work, the power supply to the equipment under inspection must be cut off; after confirming that there is no electricity by attempting to start it, a “Do not start” safety sign must be placed on the power switch box and _____. A. Assign personnel to monitor the area B. Install additional locks C. Place roadblocks D. Designate a no-entry zone D;B
1. D. --------------2、B