【解答】Introduction to Basic Functions of Biosafety Cabinets and Interpretation of Test Reports

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問	Which of the following actions when operating BSCs is wrong?
	After use, empty the cabinet.
	Before use, turn on the BSC for a while.
✓	Turn off the BSC immediately after use and take out the items.
	Wipe workbench with alcohol.
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問	Which of the following compounds is used as a smoke source for the smoke pattern test of BSCs
	Tetrachloromethane
	Fluorine tetrachloride
✓	Titanium tetrachloride
	Tetrachlorethylene
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問	To filter a minimum of 0.3μm particles, how efficient should a HEPA filter be?
	99.13
	99.39
	99.69
✓	99.99
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問	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?
	2X8
✓	3X7
	4X6
	5X7
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問	Which of the following information is not included in a regular BSC test report?
	HEPA filter leak test
✓	Cabinet integrity test
	Inflow velocity test
	Smoke pattern test
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問	Which of the following chemicals can be used for the HEPA filter leak test?
✓	PAO
	SiO2
	H2O2
	MgO
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問	When testing inflow velocity, a minimum of how many readings shall be measured at the sash?
	2
	3
	4
✓	5
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問	Among the following Class II BSCs, which one does not circulate airflow in the work area?
	A1
	A2
	B1
✓	B2
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問	Among the following National Sanitation Foundation (NSF) standards, which one is the standard for BSCs?
	NSF29
	NSF39
✓	NSF49
	NSF59
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問	Among the following Class II BSCs, which type has a face velocity of 75 ft/m?
✓	A1
	A2
	B1
	B2

rodiyer.idv.tw 拉里拉雜