2.B Multiple Choice: Select the one best answer from the choices provided: 1. A The first priority of any production unit should be A Safety, Health, and the Environment B. Meeting daily production goals C. Controlling energy costs D. Making sure that the customer gets a quality product 2. If a process incident occurs in your area, the investigation team will include A. The safety department only B. The safety department and line management C. All functional groups, including process operators D. Area engineers 3. Pressure relief valves are designed to A Control system pressure at a desired set point B. Divert excess pressure to downstream processes C. Protect equipment from bursting by relieving pressure to a safe point of discharge D. Initiate measures to control pressure by activating interlocks 4. If a 100% full liquid system is "blocked in" in cool weather, it could A. Create dangerously high pressure as it heats up B. Do nothing, liquids do not expand when heated C. Limit feed rates to refining columns D. Generate static electricity A 5. The normal % oxygen in the air we breathe every day is approximately A. 19.5 % B. 50 % C. 20.9% D. 16% 6. The most abundant gas in the air we breathe every day is A. Oxygen B. Nitrogen C. Carbon dioxide D. Hydrogen Light ends can be especially dangerous because of their A. High flammability B. High vapor pressure C. Low viscosity D. All of the above 7