| 題庫總數:10 | ||
| 是非題:0 | ||
| 選擇題:10 (A:2、B:2、C:3、D:3) | ||
| 多選題:0 | ||
| roddayeye整理,嚴禁抄襲 roddayeye.pixnet.net/blog | ||
| Q | r | Which of the following compounds is used as a smoke source for the smoke pattern test of BSCs |
| o | Tetrachloromethane | |
| d | Fluorine tetrachloride | |
| v | d | Titanium tetrachloride |
| a | Tetrachlorethylene | |
| y | r.o.d.d.a.y.e.y.e. | |
| Q | e | To filter a minimum of 0.3μm particles, how efficient should a HEPA filter be? |
| y | 99.13 | |
| e | 99.39 | |
| . | 99.69 | |
| v | r | 99.99 |
| o | r.o.d.d.a.y.e.y.e. | |
| Q | d | Which of the following actions when operating BSCs is wrong? |
| d | After use, empty the cabinet. | |
| a | Before use, turn on the BSC for a while. | |
| v | y | Turn off the BSC immediately after use and take out the items. |
| e | Wipe workbench with alcohol. | |
| y | r.o.d.d.a.y.e.y.e. | |
| Q | e | Among the following National Sanitation Foundation (NSF) standards, which one is the standard for BSCs? |
| . | NSF29 | |
| r | NSF39 | |
| v | o | NSF49 |
| d | NSF59 | |
| d | r.o.d.d.a.y.e.y.e. | |
| Q | a | When testing inflow velocity, a minimum of how many readings shall be measured at the sash? |
| y | 2 | |
| e | 3 | |
| y | 4 | |
| v | e | 5 |
| . | r.o.d.d.a.y.e.y.e. | |
| Q | r | Among the following Class II BSCs, which type has a face velocity of 75 ft/m? |
| v | o | A1 |
| d | A2 | |
| d | B1 | |
| a | B2 | |
| y | r.o.d.d.a.y.e.y.e. | |
| Q | e | When testing downflow velocity, a minimum of how many readings across the workbench shall be measured in a horizontal plane 10 cm above the bottom edge of the sash? |
| y | 2X8 | |
| v | e | 3X7 |
| . | 4X6 | |
| r | 5X7 | |
| o | r.o.d.d.a.y.e.y.e. | |
| Q | d | Among the following Class II BSCs, which one does not circulate airflow in the work area? |
| d | A1 | |
| a | A2 | |
| y | B1 | |
| v | e | B2 |
| y | r.o.d.d.a.y.e.y.e. | |
| Q | e | Which of the following chemicals can be used for the HEPA filter leak test? |
| v | . | PAO |
| r | SiO2 | |
| o | H2O2 | |
| d | MgO | |
| d | r.o.d.d.a.y.e.y.e. | |
| Q | a | Which of the following information is not included in a regular BSC test report? |
| y | HEPA filter leak test | |
| v | e | Cabinet integrity test |
| y | Inflow velocity test | |
| e | Smoke pattern test | |
| . | r.o.d.d.a.y.e.y.e. | |
| r | ||
| roddayeye整理,嚴禁抄襲 roddayeye.pixnet.net/blog |
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