HAZWOPER Module exam 2023 with 100% correct answers

One should never enter a permit-requiring confined space without a safety attendant on duty and adequate air testing True If the confined space has contained hazardous substances, it is important for the confined space to be ______ before entry Emptied and purged Air in the confined space should be tested for _____ Oxygen content, flammability, and toxicity What are the OSHA acceptable limits for oxygen in a confined space? 19.5%-23.5% What must you have prior to entering a confined space? Confined Space Entry Permit Other than a confined space entry permit, what else must you have prior to entry? Communications Training _____ be provided for all personnel associated with a confined space entry Must For rescue operations, the rescue line should pass a 2,000 pound test If the meter reading is still above _____ of the LEL, the confined space must be cleaned before entry is permitted 10% Two factors that can cause an atmosphere to become flammable are _______ Oxygen and flammable components Define LEL Lower Explosive Limit _____ devices permit employees to work safely on de-energized equipment without fear that the devices will be accidentally moved Lockout/Tagout Portable electric tools used in a confined space must be protected by a _______ Ground fault circuit interrupter