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Y FLORIDA DW CLASS B EXAM STUDY GUIDE -2 UPDATED ACTUAL
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Y FLORIDA DW CLASS B EXAM STUDY GUIDE -2 UPDATED ACTUAL
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YFLORIDA DW CLASS B EXAM STUDYGUIDE #2 UPDATED ACTUAL EXAM
QUESTIONS % CORRECT ANSWERS
Use reverse osmosis if the turbidity is less than - 5 ntu's
If you want zero hardness then use - Ion exchange
The ability of a reverse osmosis membrane to reject salt while permeating water - Salt rejection
The number of people who directly report to individual supervisor or manager refers to - Span of control
What is most important in planning? - Setting goals and objectives
Operator license may be revoked if - Operating plant unsafe and causing unsafe harm to public, threat to
public health and environment
Radionuclides surface water every ____ months - 48 months
Radionuclides ground water every ____ months - 48 months
Radiological contaminants - Monitor every four years
Ground water plants conduct lab test - Every three hours
Surface water plants test for inorganics _____ a year - once
Jar test - Determine proper dosage rates
, Chlorine has medicine taste - phenolic
Phosphates good for 48 hours then revert to - Orthophosphates in distribution system
Know that when a marble test water went to a plus .02 water that: - Saturated
Belt filter press, dewatered by - Gravity and pressure
Cause of lower than normal product rate flow - Replace element or use acid to clean
You're standing over a flash mixer monitoring water what do you look for? - Floc size and shape
Recovery rate is controlled by - Increasing feed flow
Brackish water - 1000 to 10,000 Tds
Red water complaints - Due to low pH or iron bacteria in water
What contributes to air binding - Drop in temperature
Pipets are the best way to measure - a liquid
Add a lime to increase - Alkalinity and pH
When floc does not settle? - Add a weighting agent
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