HAZWOPER MODULE 1-10 QUIZZES (ACTUAL 2025/2026)
QUESTIONS AND VERIFIED ANSWERS | LATEST UPDATED
It should be noted that the ______ test is the least accurate
testing method -----Answers---Thumb penetration
According to the OSHA soil classification system, Type A soil is
the most _____ -----Answers---Stable
Who is responsible for classifying soils? -----Answers---
Competent person
Trench boxes or shields must be approved by a _______ -----
Answers---Registered professional engineer
There is no sloping requirement for _____ -----Answers---
Stable rock
"Distress" in OSHA parlance, means that a cave-in is ______ ---
--Answers---Imminent or likely to occur
What time of wood is typically used in timber shoring? -----
Answers---Oak
,The ______ has overall responsibility for the safety of all
persons involved with entry operations into confined spaces
under his or her control -----Answers---Supervisor
The ______ continuously observes authorized entrants working
in a confined space -----Answers---Safety attendant
The ______ ensures the conditions of a confined space entry
permit are met -----Answers---Supervisor
The _____ must be trained to recognize hazardous conditions
before they happen -----Answers---Safety attendant
According to OSHA, a confined space must have at least _____
in vertical height -----Answers---4ft
Fatalities in confined spaces have resulted from ______ -----
Answers---All of the above
Confined spaces can be ____ -----Answers---Enclosed or
open tops
All confined spaces must be identified and classified as either
non-permit-required confined spaces or _______ -----
Answers---Permit-required confined spaces
,One should never enter a permit-requiring confined space
without a safety attendant on duty and adequate air testing ---
--Answers---True
If the confined space has contained hazardous substances, it is
important for the confined space to be ______ before entry ----
-Answers---Emptied and purged
Air in the confined space should be tested for _____ -----
Answers---Oxygen content, flammability, and toxicity
What are the OSHA acceptable limits for oxygen in a confined
space? -----Answers---19.5%-23.5%
What must you have prior to entering a confined space? -----
Answers---Confined Space Entry Permit
Other than a confined space entry permit, what else must you
have prior to entry? -----Answers---Communications
Training _____ be provided for all personnel associated with a
confined space entry -----Answers---Must
For rescue operations, the rescue line should pass a -----
Answers---2,000 pound test
, If the meter reading is still above _____ of the LEL, the confined
space must be cleaned before entry is permitted -----
Answers---10%
Two factors that can cause an atmosphere to become
flammable are _______ -----Answers---Oxygen and flammable
components
Define LEL -----Answers---Lower Explosive Limit
_____ devices permit employees to work safely on de-
energized equipment without fear that the devices will be
accidentally moved -----Answers---Lockout/Tagout
Portable electric tools used in a confined space must be
protected by a _______ -----Answers---Ground fault circuit
interrupter
Along with other equipment, a _________ must be worn when
making a top entry into a confined space -----Answers---
Safety harness
______ is required before entry to ensure the atmosphere is
acceptable before an entry permit is issued -----Answers---
Ventilation
QUESTIONS AND VERIFIED ANSWERS | LATEST UPDATED
It should be noted that the ______ test is the least accurate
testing method -----Answers---Thumb penetration
According to the OSHA soil classification system, Type A soil is
the most _____ -----Answers---Stable
Who is responsible for classifying soils? -----Answers---
Competent person
Trench boxes or shields must be approved by a _______ -----
Answers---Registered professional engineer
There is no sloping requirement for _____ -----Answers---
Stable rock
"Distress" in OSHA parlance, means that a cave-in is ______ ---
--Answers---Imminent or likely to occur
What time of wood is typically used in timber shoring? -----
Answers---Oak
,The ______ has overall responsibility for the safety of all
persons involved with entry operations into confined spaces
under his or her control -----Answers---Supervisor
The ______ continuously observes authorized entrants working
in a confined space -----Answers---Safety attendant
The ______ ensures the conditions of a confined space entry
permit are met -----Answers---Supervisor
The _____ must be trained to recognize hazardous conditions
before they happen -----Answers---Safety attendant
According to OSHA, a confined space must have at least _____
in vertical height -----Answers---4ft
Fatalities in confined spaces have resulted from ______ -----
Answers---All of the above
Confined spaces can be ____ -----Answers---Enclosed or
open tops
All confined spaces must be identified and classified as either
non-permit-required confined spaces or _______ -----
Answers---Permit-required confined spaces
,One should never enter a permit-requiring confined space
without a safety attendant on duty and adequate air testing ---
--Answers---True
If the confined space has contained hazardous substances, it is
important for the confined space to be ______ before entry ----
-Answers---Emptied and purged
Air in the confined space should be tested for _____ -----
Answers---Oxygen content, flammability, and toxicity
What are the OSHA acceptable limits for oxygen in a confined
space? -----Answers---19.5%-23.5%
What must you have prior to entering a confined space? -----
Answers---Confined Space Entry Permit
Other than a confined space entry permit, what else must you
have prior to entry? -----Answers---Communications
Training _____ be provided for all personnel associated with a
confined space entry -----Answers---Must
For rescue operations, the rescue line should pass a -----
Answers---2,000 pound test
, If the meter reading is still above _____ of the LEL, the confined
space must be cleaned before entry is permitted -----
Answers---10%
Two factors that can cause an atmosphere to become
flammable are _______ -----Answers---Oxygen and flammable
components
Define LEL -----Answers---Lower Explosive Limit
_____ devices permit employees to work safely on de-
energized equipment without fear that the devices will be
accidentally moved -----Answers---Lockout/Tagout
Portable electric tools used in a confined space must be
protected by a _______ -----Answers---Ground fault circuit
interrupter
Along with other equipment, a _________ must be worn when
making a top entry into a confined space -----Answers---
Safety harness
______ is required before entry to ensure the atmosphere is
acceptable before an entry permit is issued -----Answers---
Ventilation
