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HAZWOPER Module 41-50 Quizzes Questions and Answers
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HAZWOPER Module 41-50 QuizzesQuestions and 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
-Along with other equipment, a _________ must be worn when making a top
entry into a confined space - -Safety harness
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