WASTEWATER COLLECTIONS LEVEL II &
GRADE 2 ACTUAL EXAM TEST BANK 2026
COMPLETE QUESTIONS AND VERIFIED
ANSWERS
●● Inflow is detected by? Answer: Smoke testing
●● The underside of a manhole lid can? Answer: Harbor dangerous
insects
●● An advantage of a CCTV system is the ability to? Answer: Record
infiltration water flow in action
●● One method of televising through flooded low spots or a dip in a
sewer line is to? Answer: Using high velocity cleaner to push water clear
of dip
●● The purpose of forcing air into the sewer system when smoke testing
is to? Answer: Get an air flow established
●● Lamping is a technique used to? Answer: Determine if a sewer line is
straight and clear of obstructions
, ●● Hydraulic cleaning methods consist of cleaning a sewer with:
Answer: Water under pressure that produces high water velocities
●● There are ______ different area of traffic zones when working in a
roadways? Answer: 4
●● To find a proper protective gear before application of product, you
would? Answer: Look at the MSDS (Material Safety Data Sheet)
●● The gas most commonly associated with septic wastewater is?
Answer: hydrogen sulfide (H2S)
●● What does OERP stand for? Answer: Overflow Emergency Response
Plan
●● The oxygen level alarm in a gas detection meter normally set to go
off at oxygen levels below? Answer: 19.5%
●● Before starting a maintenance operation in an easement located in a
backyard of a residence you should? Answer: Contact the resident, and
politely ask for permission to enter the backyard.
●● What are the requirements for a class B license? Answer: Vehicle
weight more than 26,000 LBS
GRADE 2 ACTUAL EXAM TEST BANK 2026
COMPLETE QUESTIONS AND VERIFIED
ANSWERS
●● Inflow is detected by? Answer: Smoke testing
●● The underside of a manhole lid can? Answer: Harbor dangerous
insects
●● An advantage of a CCTV system is the ability to? Answer: Record
infiltration water flow in action
●● One method of televising through flooded low spots or a dip in a
sewer line is to? Answer: Using high velocity cleaner to push water clear
of dip
●● The purpose of forcing air into the sewer system when smoke testing
is to? Answer: Get an air flow established
●● Lamping is a technique used to? Answer: Determine if a sewer line is
straight and clear of obstructions
, ●● Hydraulic cleaning methods consist of cleaning a sewer with:
Answer: Water under pressure that produces high water velocities
●● There are ______ different area of traffic zones when working in a
roadways? Answer: 4
●● To find a proper protective gear before application of product, you
would? Answer: Look at the MSDS (Material Safety Data Sheet)
●● The gas most commonly associated with septic wastewater is?
Answer: hydrogen sulfide (H2S)
●● What does OERP stand for? Answer: Overflow Emergency Response
Plan
●● The oxygen level alarm in a gas detection meter normally set to go
off at oxygen levels below? Answer: 19.5%
●● Before starting a maintenance operation in an easement located in a
backyard of a residence you should? Answer: Contact the resident, and
politely ask for permission to enter the backyard.
●● What are the requirements for a class B license? Answer: Vehicle
weight more than 26,000 LBS
