HazMat Awareness and Operations Questions & Answers Graded A+

Nonpressure storage tanks have a maximum pressure of: - ANSWER-.5psi (3.45 kPa) {1.03bar} Pressure vessels hold materials at pressures of: - ANSWER-15psi (103kPa) {1.03bar} or greater Pressure tank cars typically transport hazardous materials at pressures greater than: - ANSWER-25psi (172kPa) {1.7bar} Characteristics of pressure tank cars - ANSWER-Cylindrical, noncompartmentalized metal tanks w/ rounded ends How many digits are assigned to each individual HazMat by the UN Recommendations on the Transport of Dangerous Goods - ANSWER-4 digits What shape are DOT placards? - ANSWER-Diamond On what are DOT placards required? - ANSWER-Bulk packaging, rail tank cars, cargo tank vehicles, and portable tanks. Where are reporting marks found on railroad tank cars? - ANSWER-Stenciled on both sides of the tank (on the left when facing the side) and on both ends (upper center) NFPA 704 is designed for what situation? - ANSWER-Indicating presence of HazMat at commercial, manufacturing, institutional and other fixed-storage locations. On an NFPA 704 marking, what do each color (blue, red and yellow) indication - ANSWER-Blue: Health hazards Red: Flammability Yellow: Instability