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Quiz for make-up training, 2015. True/false: Please read through the following statements. For each correct statement, mark within the parentheses; for incorrect statements, please mark x.. 50% ( ) 1. A research lab is a dangerous place with multiple hazards. ( ) 2. A research lab usually has a risk-prone workforce with limited health and safety training. ( ) 3. Making health and safety issues personal is good to cultivate sustainable safety culture in the lab. ( ) 4. Asking open-ended questions is good to improve safety culture in the lab. ( ) 5. Changes in chemicals used in experiments should trigger a new assessment on hazards of health, flammability, reactivity, combustibility, and thermodynamic. A/B/C/D 50% 1. ( )Which gas is the most dangerous? (A) methane (B) hydrogen (C)

ethylene oxide (D) natural gas 2. ( )What is the lowest temperature at which a liquid will ignite and

achieve sustained flame when exposed to a test flame? (A) fire point (B) flash point (C)BLEVE (D) flashover

3. ( )What is flash point of ethanol? (A) -40oC (B) 13oC (C) 70oC (D) 300oC

4. ( )What is the current load of a socket? (A)800W (B) 1000W (C)1320W (D)1650W

5. ( )What is suppression capacity of B-10? (A)0.2m2(B) 1m2 (C) 2m2 (D) 3.2m2

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