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CWEA CSM GRADE 2 EXAM NEWEST 2024-2025
ACTUAL EXAM COMPLETE 200 QUESTIONS
AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
If a stoppage occurs below a sewer ball, it must be cleared as soon as possible to avoid? - ANSWER- Flooding homes and/or streets
To find proper protective gear before application of a product, you would? - ANSWER- Look at the material safety data sheet
(MSDS)
The gas most commonly associated with septic wastewater is? - ANSWER- Hydrogen sulfide (H2S)
The oxygen level alarm in a gas detection meter normally set to go off at oxygen levels below? - ANSWER- 19.5%
What are the requirements for a Class B license? - ANSWER- Vehicle weight more than 26,000 Is 1 / 4
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What is the one thing you don't have to check on a pre-trip inspection? - ANSWER- Fuel
Which of the following would you check in your pre-trip first? - ANSWER- Gear box low oil
What check should be performed before driving a vehicle? - ANSWER- Mechanical/Safety
Wastewater collections systems are built to? - ANSWER- Carry away wastewater from homes and industries
What are the main purpose of Manholes? - ANSWER- To access sewers
What is the minimum size cone that can be used in a 25mph or 35mph zone? - ANSWER- 18"
If the soil has a compressive strength of .05 or less it is considered? - ANSWER- Туре B
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If the soil strength is greater than .05 tsf but less than 1.5 tsf or has angular gravel, you have what type of soil? - ANSWER- B
What does PVC stand for? - ANSWER- Polyvinylchloride
CIWQS stand for: - ANSWER- California Integrated Water
Quality System
What would be the ideal sewer lateral connection to a sewer mainline? - ANSWER- Wye
How long is a DigAlert ticket valid for (after which it is expired)? - ANSWER- 28 days
What degree of nozzle jet would an operator use to jet clean up a steep grade? - ANSWER- 15%
According to OSHA standard, how far from the edge of an open excavation trench should spoils piles be placed? - ANSWER- 2ft.
What is the main oblective of cleaning collection systems? - ANSWER- Prevent blockages and overflows 3 / 4
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What normal flows are recommended to reduce buildup of materials and will carry normal solids? - ANSWER- 2 fps
The State Wide General Waste Discharge Requirements affect
which of the following: - ANSWER- All owners of operations
of sanitary sewer systems greater than 1-mile in length
SSO Reports shall be kept on file for how long? - ANSWER- 5 years
SSO stands for: - ANSWER- Sanitary Sewer Overflow
I/l stands for; - ANSWER- Inflow / Infiltration
VCP stands for: - ANSWER- Vitrified Clay Pipe
A Cast-in-Place manhole base is one that: - ANSWER- the
concrete is poured and the base is formed in the field
A rigid pipe will: - ANSWER- Break or crack if not supported
properly
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