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WasteWater Sources & Characteristics: What is the most common reason for a wastewater to contain intermittent large amounts of sand, gravel, and grit? - CORRECT ANS storm events WasteWater Sources & Characteristics: Combined wastewater is defined as - CORRECT ANS sanitary wastewater and stormwater runoff WasteWater Sources & Characteristics: In general, the solids content in wastewater is about - CORRECT ANS 0.1% WasteWater Sources & Characteristics: In general, what is the % of suspend...

Odors occur when treatment becomes - CORRECT ANSWER Anaerobic What should an operator do before entering a manhole - CORRECT ANSWER Test for all hazardous gases and oxygen levels and ventilate the manhole before entering What treatment devices is commonly used to separate and remove large solids from raw wastewater - CORRECT ANSWER a mechanically raked bar screen What diseases are caused by pathogenic organisms that may be present in raw wastewater? - CORRECT ANSWER Hepatitis, typhoid, pa...

1 mg/l is the same as 1 part per billion (ppb) True or False - CORRECT ANS False (v.1 pg 468) A SCADA system is capable of monitoring and controlling equipment from a remote location True or False - CORRECT ANS True (v.2 pg 627) A Discharge Monitoring Report is typically submitted to the regulatory agency on a daily basis True or False - CORRECT ANS False A mechanical seal is used to prevent leaks between the pump casing and shaft. True or False - CORRECT ANS True (v.2 pg 356) Alkalini...

What is the methane content in a properly operation anaerobic digester? A) 30 to 35% by volume B) 1 to 2% by volume C) 65 to 70% by volume D) 15 to 20% by volume - CORRECT ANSWER C) 65 to 70% by volume (v.2 pg 158) What will the addition of chlorine gas do to the pH of wastewater? A) Moderately increase pH B) pH will not be affected C) Significantly increase the pH D) Decrease the pH - CORRECT ANSWER D) Decrease the pH (v.1 pg 349- 350) What is the purpose of a Parshall flume? A) me...

What is the typical BOD removal efficiency in a primary clarifier? A) 10 to 15% B) 40 to 60% C) 20 to 50% D) 95 to 99% - CORRECT ANS C) 20 to 50% (v.1 pg 129) What does the "F" in F/M ratio represent? A) The microorganism population in the aeration tank B) The amount of filamentous bacteria in the activated sludge process C) The MLVSS in the aeration tank D) The food for the microorganisms flowing into the aeration tank, in lbs/day - CORRECT ANS D) The food for the microorganisms flowi...

A continuously flowing watercourse - CORRECT ANS Perennial Stream Algae causes PH to ....... at night - CORRECT ANS Decrease What contributes to creation of algae blooms - CORRECT ANS Increased nutrients Iron is found mostly in what sources of water - CORRECT ANS Groundwater Also called the rule of reasonable sharing - CORRECT ANS Riparian Doctrine Water high in salinity and warm is - CORRECT ANS Low in dissolved oxygen Reservoir turnover - CORRECT ANS Denser water at surface sinking towa...

In general, what is the earliest age at which a person can take a distribution from a qualified plan without a tax penalty? - CORRECT ANS 59 1/2 Carol was 35 when she bought her deferred annuity. Now, at age 38, she wants to withdraw funds from the contract to take a vacation. Carol is likely to encounter all of the following consequences in making the withdrawal EXCEPT: - CORRECT ANS statutory minimum withholding requirements What kind of misrepresentation on an insurance application give...

Risk - CORRECT ANS Chance of loss 5 Risk or Loss Factors - CORRECT ANS 1. Risk 2. Loss 3. Exposure 4. Peril 5. Hazard Insurance allows: - CORRECT ANS Individual or group to transfer over to insurance company the risk of financial loss from a destructive event Fundamental purpose of insurance is: - CORRECT ANS To indemnify policyholder against covered losses or restore policyholder back to same financial position they were in before Insurance companies may used term risks to refer to insu...

which of the following situations presents a situation of pure risk? -knowing that his family is depending on him, Frank wants to insure his life -wanting to increase his retirement savings, Saul invests his life savings in the stock market -Ralph takes a second mortgage on his house and uses the proceeds to gamble -wanting better job security, Ron cashes in his life insurance to start his own business - CORRECT ANS knowing that his family is depending on him, Frank wants to insure his ow...

GCSE AQA TRIPLE SCIENCE PHYSICS PAPER GCSE AQA MAY 2023 HIGHER TRIPLE SCIENCE PHYSICS PAPER 1 MARKSCHEME