Download HAZWOPER Module 41-50 Quizzes Questions And Answers 2024 and more Exams Advanced Education in PDF only on Docsity! HAZWOPER Module 41-50 Quizzes Questions And Answers 2024 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% Electrical power that could shock workers for move mechanical equipment must be ______ prior to entry into a confined space - Correct Answer-Locked or tagged out _______ provides the information needed to identify site hazards and to select worker protection methods - Correct Answer-Site characterization ______ should be carried out when site hazards are largely unknown or when there is no need to go on site immediately - Correct Answer-Perimeter reconnaissance The purpose of an ______ is to verify and supplement information from the off-site characterization - Correct Answer-On-site survey The ______ outlines what needs to be accomplished and then prescribes procedures to protect the health and safety of the entry team - Correct Answer-Site Safety Plan Upon completion of site characterization, activities that must be implemented include: - Correct Answer-All of the above Site characterization includes: - Correct Answer-All of the above Site characterization is done to: - Correct Answer-Assess hazards at the waste site _____ is the study of chemical toxicity - Correct Answer-Toxicology