HAZWOPER Module 41-50 exam 2023/2024 with 100% correct answers

One should never enter a permit-requiring confined space without a safety attendant on duty and adequate air testing - correct answer True If the confined space has contained hazardous substances, it is important for the confined space to be ______ before entry - correct answer Emptied and purged Air in the confined space should be tested for _____ - correct answer Oxygen content, flammability, and toxicity What are the OSHA acceptable limits for oxygen in a confined space? - correct answer 19.5%-23.5% What must you have prior to entering a confined space? - correct answer Confined Space Entry Permit Other than a confined space entry permit, what else must you have prior to entry? - correct answer Communications Training _____ be provided for all personnel associated with a confined space entry - correct answer Must For rescue operations, the rescue line should pass a - correct answer 2,000 pound test If the meter reading is still above _____ of the LEL, the confined space must be cleaned before entry is permitted - correct answer 10% Two factors that can cause an atmosphere to become flammable are _______ - correct answer Oxygen and flammable components Define LEL - correct answer Lower Explosive Limit _____ devices permit employees to work safely on de-energized equipment without fear that the devices will be accidentally moved - correct answer Lockout/Tagout Portable electric tools used in a confined space must be protected by a _______ - correct answer Ground fault circuit interrupter Along with other equipment, a _________ must be worn when making a top entry into a confined space - correct answer Safety harness ______ is required before entry to ensure the atmosphere is acceptable before an entry permit is issued - correct answer Ventilation Many fatalities occur because victims do not fully understand the threat of airborne hazards that they cannot ____ - correct answer See, smell, or feel One of the reasons for confined space injuries and fatalities is _______ - correct answer Poor planning A good way to begin on learning how to protect yourself is to take a look at some things that have caused ______ - correct answer Accidents in the past Working in a confined space has its own set of potential work problems such as: - correct answer All of the above Toxins present two different types of risk: - correct answer Chemical asphyxiation and irritation When the oxygen content is below _______ it is too low to provide enough oxygen for a working person - correct answer 19.5%