Exam (elaborations)
2024 FDEP WATER TREATMENT C EXAM WITH CORRECT ANSWERS
- Course
- Institution
2024 FDEP WATER TREATMENT C EXAM WITH CORRECT ANSWERS
[Show more]
Content preview
2024 FDEP WATER TREATMENT CEXAM WITH CORRECT ANSWERS
Units that combine coagulation, Flocc, & sedimentation into a single basin
are: - CORRECT-ANSWERSSolid contact units
Valves that operate 90 degrees open to shut are: - CORRECT-
ANSWERSEccentric and butterfly
Water hardness is the measure of the concentrations of __________ and
__________ dissolved in the water sample. - CORRECT-ANSWERScalcium &
magnesium carbonates
Primary drinking water standards are set to protect the public from illnesses
as a direct result in drinking water that exceeds maximum set levels.
Secondary standards were set to alert the public to - CORRECT-
ANSWERSaesthetic issues with drinking water
When underground water is under pressure greater than atmospheric
pressure and could rise above the its confining space and above the ground
level is referred to as a - CORRECT-ANSWERSartesian effect
The water right to put it to beneficial use of the surface water adjacent to
your land is called ____________ water. - CORRECT-ANSWERSriparian
The electrical potential required to transfer electrons from one compound or
element to another is commonly referred to as - CORRECT-
ANSWERSoxidation-reduction potential (ORP)
pH is decreased by the removal of carbon dioxide - CORRECT-ANSWERStrue
what color is chlorine gas? - CORRECT-ANSWERSyellow
what is formed when chlorine reacts with ammonia? - CORRECT-
ANSWERSchlorimines
Calcium hypochlorite (Ca(OCl)2) - CORRECT-ANSWERSgranular Chlorine ,
Available Chlorine 40-78%
sodium hypochlorite (bleach) - CORRECT-ANSWERSNaClO (aq) 10-12%
available Chlorine
, How much iron bacteria must be present to form an infestation? - CORRECT-
ANSWERSone cell
What is the MCL for fluoride? - CORRECT-ANSWERS4.0 mg/L
How long are you required to keep the tap closed before you grab a sample
for lead and copper? - CORRECT-ANSWERS6 hours
What water source typically has the highest concentration of dissolved
solids? - CORRECT-ANSWERSground water
What is the purpose of a Lantern ring? - CORRECT-ANSWERScools and
lubricates packing
What occurs during the first part of chlorination? - CORRECT-
ANSWERSChlorine is destroyed by reducing compounds
What occurs during the second part of chlorination? - CORRECT-
ANSWERSformation of chloriganics and chlorimines (combined residual)
What occurs during the fourth part of chlorination? - CORRECT-ANSWERSFree
residual chlorine is formed called breakpoint chlorination
What occurs during the third part of chlorination? - CORRECT-
ANSWERSchloriganics and chlorimines are destroyed by pumping in more
chlorine
Which of the following is a strong acid - CORRECT-ANSWERSpH 1
Which of the following is a strong base? - CORRECT-ANSWERSpH 14
Which of the following methods is best for determining the depth of water in
a clearwell: - CORRECT-ANSWERSbubbler
Chlorine expands approximately how many times from liquid to gas? -
CORRECT-ANSWERS450
According to the safe water drinking act, the basic definition of public water
supply system is any water system that supplies water for human
consumption that serves: - CORRECT-ANSWERS15 service connections or
over 25 persons for over 60 days a year
Normally calcium and magnesium ions are expressed as ________ when
dealing with softening. - CORRECT-ANSWERSCaCo3
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Elitaa. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73091 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now