True or False Questions
Thread Content
This post was last edited by slll611 on 2016-1-19 at 19:49. 4. In a representative workplace with multiple identical production devices, 1 sampling point should be set for 1–10 devices; for more than 10 devices, at least 2 sampling points should be established. Workers' work areas are mobile; within these moving areas, a sampling point is generally set every 20 meters. ( )5. Accidental monitoring should continue until the concentration of harmful substances in the air falls below the time-weighted average allowable concentration. ( ) Answer: Wrong Wrong
4. Incorrect. -----------5. Error--------------
4. In a representative workplace with multiple identical production equipment units, 1 sampling point should be set for 1–10 units; for more than 10 units, at least 2 sampling points should be established. Workers' work areas are mobile; within these moving areas, a sampling point is generally set every 20 meters. ( ) Wrong 5. Accidental monitoring should continue until the concentration of harmful substances in the air falls below the time-weighted average allowable concentration. ( ) Wrong
4. In a representative workplace with multiple identical production equipment units, 1 sampling point should be set for 1–10 units; for more than 10 units, at least 2 sampling points should be established. Workers' work areas are mobile; within these moving areas, a sampling point is generally set every 20 meters. ( Wrong ) 5. Accidental monitoring should continue until the concentration of harmful substances in the air falls below the time-weighted average permissible concentration. ( Wrong )
Answer released: In a representative workplace with multiple identical production devices of the same type, 1 sampling point should be set for 1–10 devices; for more than 10 devices, at least 2 sampling points should be established. Workers' work areas are mobile; within these moving areas, a sampling point is generally set every 20 meters. ( X ) 5. Accidental monitoring should continue until the concentration of harmful substances in the air falls below the time-weighted average permissible concentration. ( X )
4. In a representative workplace with multiple identical production equipment units, 1 sampling point should be set for 1–10 units; for more than 10 units, at least 2 sampling points should be established. Workers' work areas are mobile; within these moving areas, a sampling point is generally set every 20 meters. ( × ) 5. Accidental monitoring should continue until the concentration of harmful substances in the air falls below the time-weighted average allowable concentration. ( × )