Wastewater Practice Test (Florida)!!!!!!!!!

Wastewater Practice Test (Florida)!!!!!!!!!

According to FDEP chapter 62-600.440 (4) (b) FAC, basic level disinfection is
j j j j j j j j j j j




described as: - A chlorine residual of 0.5 mg/L for 15 minutes at peak hourly
j j j j j j j j j j j j j j j




flow
j




FDEP chapter 62-604.550 (a) FAC, requires a wastewater spill shall be verbal
j j j j j j j j j j j




reported to the state warning point no later than: - 24hrs from discovery
j j j j j j j j j j j j j




What is the 'rule of thumb' regarding pump packing? - Never put rings of new
j j j j j j j j j j j j j j




packing over the old packing
j j j j j




According to FDEP chapter 62-60, FAC, a composite sample shall be used for j j j j j j j j j j j j




which test? - Effluent CBOD
j j j j j




Chlorine residual can be measured in several ways, including the use of DPD
j j j j j j j j j j j j




reagent, spectrophotometers and iodometric titration. Which of the followin
j j j j j j j j j




is also an approved method? - Amperometric Titration
j j j j j j j j




Chapter 62-601, Domestic wastewater treatment plant monitoring, states
j j j j j j j




that on-site tests for total residual chlorine, pH, and _______ can be performed
j j j j j j j j j j j j j




under the direction of a certified operator: - Dissolved Oxygen(DO)
j j j j j j j j j j




Starting this type of pump against a closed valve can cause major damage to
j j j j j j j j j j j j j




the pump, pump piping, the operator, or all three - Positive displacement
j j j j j j j j j j j j




pump
j




These types of samples may be used for CBOD5 and nutrients at flows less
j j j j j j j j j j j j j




than 100,000 GPD, according to chapter 62-601 - Grab samples
j j j j j j j j j j




According to FDEP chapter 62-602, drinking water and wastewater treatmen j j j j j j j j j




plant operators, duties of operators includes reporting to the permittee and
j j j j j j j j j j j




the department, as soon as possible, but within 24hrs: - Any major interruptio
j j j j j j j j j j j j j




of service
j j




What could cause a centrifugal above ground pump to be noisy while running
j j j j j j j j j j j j




Debris caught in the impeller housing
j j j j j j




1/ j



15
j

, According to FDEP chapter 62-601 FAC, Domestic wastewater treatment j j j j j j j j




plant monitoring, discharge monitoring reports (DMRs) for the previous
j j j j j j j j j




month must be submitted to the department by the ____________ day of the
j j j j j j j j j j j j j




current month? - 28th day
j j j j j




FDEP chapter 62-600 FC, domestic wastewater facilities, states that all
j j j j j j j j j




treatment plants shall be____________ - Fenced
j j j j j j




As the operator of a primary clarifier, you notice a black and odorous septic
j j j j j j j j j j j j j




wastewater leaving the clarifier. What is the probable cause? - Improper
j j j j j j j j j j j




sludge removal
j j




A fire has started in the maintenance shop due to an ignition of petroleum oil.
j j j j j j j j j j j j j j




Which type of fire extinguisher should NOT be used to fight the fire? -
j j j j j j j j j j j j j j




Pressurized water
j j




Chlorine gas is how many times heavier than air - 2.5 j j j j j j j j j j




The combination of methane and ____________ can be very combustible -
j j j j j j j j j j




Oxygen
j




Plant effluent coliform count fails to meet the required standards for
j j j j j j j j j j




disinfection. Chlorine residual is normal. Disinfectant supplies ARE NOT a
j j j j j j j j j j




problem. What is the probable cause? - Contact time too short
j j j j j j j j j j j




A fixed sample is: - A sample purposely spiked by the lab technician for QA/QC
j j j j j j j j j j j j j j




According to FDEP chapter 62-602 FAC, an operator could have his license j j j j j j j j j j j




permanently revoked for: - Falsified or misrepresented reports, logs, or lab
j j j j j j j j j j j




sheets
j




What process do the bacteria perform in the stabilization(re-aeration) tank in
j j j j j j j j j j




the contact stabilization process? - Absorption and digestion of the waste
j j j j j j j j j j j




material they collected
j j j




A screenings dumpster at the head works of the treatment plant is full at the
j j j j j j j j j j j j j j




end of the day. The dumpster is 6ft tall, 10ft long, and 8ft wide. How many
j j j j j j j j j j j j j j j j




cubic yards of screenings must be disposed of in a 30 day month? - 533 (6 x 10
j j j j j j j j j j j j j j j j j j




2/ j



15
j