Texas Wastewater Class B Exam {Latest Update} Questions with Correct Answers

Texas Wastewater Class B Exam {Latest Update} Questions with Correct Answers

The name of the State Agency responsible for enforcing pollution control laws in Texas -
Answer - Texas Commission of Environmental Quality
The term pathogenic means - Answer - Capable of causing disease
The minimum separation between sewer lines and potable water lines is - Answer - 9
feet
A licensed wastewater operator is a professional - Answer - consistently does best job
possible, practices personal safety, strives to improve job knowledge, strives to keep
the plant and collection system in the best appearance and working order
An important step in testing a sample for Total Suspended Solids is - Answer - Filtering
a sample
The Biochemical oxygen Demand (BOD) of a sample is based on - Answer - Measuring
the dissolved oxygen (DO) used
The results of Biochemical Oxygen Demand (BOD) sample taken at a treatment plant
tells the operator - Answer - How the plant was operating 5 days ago
Which of the following are dangerous gasses that are likely to be present in lift stations
and manholes? - Answer - Natural gas, gasoline fumes, hydrogen sulfide and carbon
dioxide
A preferred hydraulic method of cleaning sewer lines is - Answer - Hydro Jet Cleaner
Ways to reduce bad odors coming from a collection system - Answer - routinely
cleaning slow running or low flow lines, adding chlorine or hydrogen peroxide to the
collection system
Types of pipe that are commonly used in wastewater collection system - Answer -
ductile iron, Poly Vinyl Chloride (PVC)