WASTEWATER CERTIFICATION EXAM 2025 WITH 100%
ACCURATE SOLUTIONS
The first step in maintenance staff should take in properly locking and tagging out a piece of equipment
is to - ✅✅✅CORRECT -alert the operator on duty
When working in an area with two or more floor coverings, be sure that they are always -
✅✅✅CORRECT -Secured together
When manually lifting any object be sure to - ✅✅✅CORRECT -keep it close to your body and use leg
strength
Oxygen deficiency becomes a concern when the oxygen level in a confined space is less than -
✅✅✅CORRECT -19.5%
What provides safety information for potentially hazardous or toxic materials? - ✅✅✅CORRECT -
MSDS Material safety Data Sheet
The threshold limit value concentration for chlorine vapor is - ✅✅✅CORRECT -0.5 ppm
When working in confined spaces where flammable gases may be present, use only tools made of -
✅✅✅CORRECT -a non-sparking alloy
In addition to the worker entering a confined space, what is the minimum number of people required to
be present during a confined space entry? - ✅✅✅CORRECT -1
Hearing protection must be made available to all employees exposed to noise levels above -
✅✅✅CORRECT -85 decibels, averaged over 8 working hours
Recommended personal hygiene practices to minimize the risk of being infected by wastewater
pathogens include - ✅✅✅CORRECT -changing out of your work clothes and showering before
leaving work
ACCURATE SOLUTIONS
The first step in maintenance staff should take in properly locking and tagging out a piece of equipment
is to - ✅✅✅CORRECT -alert the operator on duty
When working in an area with two or more floor coverings, be sure that they are always -
✅✅✅CORRECT -Secured together
When manually lifting any object be sure to - ✅✅✅CORRECT -keep it close to your body and use leg
strength
Oxygen deficiency becomes a concern when the oxygen level in a confined space is less than -
✅✅✅CORRECT -19.5%
What provides safety information for potentially hazardous or toxic materials? - ✅✅✅CORRECT -
MSDS Material safety Data Sheet
The threshold limit value concentration for chlorine vapor is - ✅✅✅CORRECT -0.5 ppm
When working in confined spaces where flammable gases may be present, use only tools made of -
✅✅✅CORRECT -a non-sparking alloy
In addition to the worker entering a confined space, what is the minimum number of people required to
be present during a confined space entry? - ✅✅✅CORRECT -1
Hearing protection must be made available to all employees exposed to noise levels above -
✅✅✅CORRECT -85 decibels, averaged over 8 working hours
Recommended personal hygiene practices to minimize the risk of being infected by wastewater
pathogens include - ✅✅✅CORRECT -changing out of your work clothes and showering before
leaving work
