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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