PSI - NY Life, Accident and Health
Practice Exam 17-55, LATEST UPDATE
2026!! QUESTIONS AND ANSWERS
Why are gasoline and volatile solvents objectionable when present in a sewer? -
correct answer They produce an explosion hazard
You should never attempt to install, troubleshoot, maintain, repair, or replace electrical
equipment unless: - correct answer You know what you are doing, are qualified, and
are authorized.
How many different areas of traffic zones are there when working in roadways? -
correct answer Five
Why should hydrogen sulfide be controlled? - correct answer to protect sewers and
structures from corrosion
Personnel entering a Permit Required Confined Space must have the following training:
- correct answer Entry and rescue procedures
To find proper protective gear before application of a product, you would: - correct
answer Look at the MSDS (Material Safety Data Sheet)
The gas most commonly associated with septic wastewater is: - correct answer
Hydrogen Sulfide (H2S)
The lack of an unpleasant odor in a structure does not always mean that dangerous
gases are not present because: - correct answer Some dangerous gases have no
odor
What four conditions are necessary to create an explosion? - correct answer
Combustible gas, adequate oxygen, sufficient heat, and proper mixing of gas and
oxygen.
What does "transition area" mean in traffic control? - correct answer Moves traffic
out of its normal path
The term "transition area" is one component of a: - correct answer Traffic Control
Zone
, What elements should be considered to improve worker safety in High Speed
Temporary Traffic Control Zones? - correct answer Rerouting traffic around the
work site, positioning of law enforcement officers in the temporary traffic control zone,
and work zone training.
What key factors would you need to address when developing an S.O.P. for Lift Station
failure? - correct answer Traffic control plan, by-pass connections, and spill
containment.
"Spring Blades" are a type of tool used with: - correct answer Power Rodder
Porcupine, Root Saw, and a Square Bar Cork Screw are all tools used for: - correct
answerSewer rodding
What tool would you use to cut VCP pipe? - correct answerChain pipe cutter
Which conditions should a gas detection device test for? - correct answer Hydrogen
Sulfide, explosive/flammable gases, oxygen.
What does "LEL" mean on a gas detection meter? - correct answer Lower explosive
limit
The oxygen level alarm in a gas detection meter is normally set to go off at oxygen
levels below: - correct answer19.5%
When developing an S.O.P. for scheduled maintenance of electrical equipment, what
program should be addressed as a primary safety guideline? - correct answer The
L.O.T.O. (Lock Out Tag Out) Program
What document would you require to be referenced when developing an S.O.P. for
hazardous substance spill cleanup as well as spill containment? - correct
answerM.S.D.S.
Placement of the Blower and P.P.E. are two things you would include in developing an
S.O.P. for air monitoring in a: - correct answerPermit Required Confined Space
According to a State Water Resources Control Board order, each Enrollee must develop
and implement a system-specific: - correct answerSewer System Management Plan
(SSMP)
Category 1 SSO's that discharge to a drainage channel and/or surface water must be
reported within: - correct answer2 hours
Practice Exam 17-55, LATEST UPDATE
2026!! QUESTIONS AND ANSWERS
Why are gasoline and volatile solvents objectionable when present in a sewer? -
correct answer They produce an explosion hazard
You should never attempt to install, troubleshoot, maintain, repair, or replace electrical
equipment unless: - correct answer You know what you are doing, are qualified, and
are authorized.
How many different areas of traffic zones are there when working in roadways? -
correct answer Five
Why should hydrogen sulfide be controlled? - correct answer to protect sewers and
structures from corrosion
Personnel entering a Permit Required Confined Space must have the following training:
- correct answer Entry and rescue procedures
To find proper protective gear before application of a product, you would: - correct
answer Look at the MSDS (Material Safety Data Sheet)
The gas most commonly associated with septic wastewater is: - correct answer
Hydrogen Sulfide (H2S)
The lack of an unpleasant odor in a structure does not always mean that dangerous
gases are not present because: - correct answer Some dangerous gases have no
odor
What four conditions are necessary to create an explosion? - correct answer
Combustible gas, adequate oxygen, sufficient heat, and proper mixing of gas and
oxygen.
What does "transition area" mean in traffic control? - correct answer Moves traffic
out of its normal path
The term "transition area" is one component of a: - correct answer Traffic Control
Zone
, What elements should be considered to improve worker safety in High Speed
Temporary Traffic Control Zones? - correct answer Rerouting traffic around the
work site, positioning of law enforcement officers in the temporary traffic control zone,
and work zone training.
What key factors would you need to address when developing an S.O.P. for Lift Station
failure? - correct answer Traffic control plan, by-pass connections, and spill
containment.
"Spring Blades" are a type of tool used with: - correct answer Power Rodder
Porcupine, Root Saw, and a Square Bar Cork Screw are all tools used for: - correct
answerSewer rodding
What tool would you use to cut VCP pipe? - correct answerChain pipe cutter
Which conditions should a gas detection device test for? - correct answer Hydrogen
Sulfide, explosive/flammable gases, oxygen.
What does "LEL" mean on a gas detection meter? - correct answer Lower explosive
limit
The oxygen level alarm in a gas detection meter is normally set to go off at oxygen
levels below: - correct answer19.5%
When developing an S.O.P. for scheduled maintenance of electrical equipment, what
program should be addressed as a primary safety guideline? - correct answer The
L.O.T.O. (Lock Out Tag Out) Program
What document would you require to be referenced when developing an S.O.P. for
hazardous substance spill cleanup as well as spill containment? - correct
answerM.S.D.S.
Placement of the Blower and P.P.E. are two things you would include in developing an
S.O.P. for air monitoring in a: - correct answerPermit Required Confined Space
According to a State Water Resources Control Board order, each Enrollee must develop
and implement a system-specific: - correct answerSewer System Management Plan
(SSMP)
Category 1 SSO's that discharge to a drainage channel and/or surface water must be
reported within: - correct answer2 hours
