21 New Workplace Readiness Skills Sample Questions And Answers 100% Correct
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UST
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UST
21 New Workplace Readiness Skills Sample
Questions And Answers 100% Correct
Why is having diversity in a company culture's staff a good idea? There is a broader range
of talents, skills, and creativity.
Shauna works at an advertising agency and recently had a verbal argument with a co-worker, ...
Class A Water Operator
Questions With Complete Solutions
How many Training Hours and experience for a Class A Lab Operator 32 hours of B and 1
year experience. ***Must include a Bachelor in science
How many Training Hours and experience for a Class C Distribution Operator 36hours
and 1 year experience
How many Training Hours and experience for a Distribution Technician 8 hours and no
training.
Community Water System A public water supply that has at least 15 service connections
or serves 25 or more persons on a regular basis
Primary Contaminants Contaminants identifies by the EPA as harmful to umal health
Maximum Containment Level (MCL) The level in which contaminants must not exceed
or public notification is required.
, Class A Water Operator
Questions With Complete Solutions
Cryptosporidium A microsocpic parasite that can be found in water. It produces cysts that
are very resistant to harsh environmental conditions. It is responsible for intestinal illness called
cryptosporidiosis. Symptoms include diarrhea, cramps, gas, bodily discomfort, fatigue, and
weight loss. Occurs one week after exposure and can last for 1-4 weeks
Disinfection Profiling A water system assesses the level of disinfection currently provided
and then determines the impact a proposed change in disinfection practice would have.
E. coli A bacterium that is commonly used as an indicator of human health risk from
harmful micro organisms that can be present in water. Symptoms include sever cramps and
diarrhea. Blood is often seen in the stool. Symptoms begin 1-9 days after exposure and last a
week or less.
Giardia A microscopic parasite that can be found in water. It produces cysts that are
resistant to harsh environmental conditions. Giardia causes intestinal illness called giardiasis.
Symptoms simular to cryptosporidiosis. Vomition, chills, headache and fever may also occur.
Symptoms begin one week after exposure and can last up to a month.
, Class A Water Operator
Questions With Complete Solutions
Hard Water A characteristic of water caused mainly by the salts of calcium (Ca++) and
magnesium (Mg++). Undesirable due to formation of soap curds, increase use of soap, and scale
deposits in boilers and water heaters. Defines as having hardness of 100mg/L or greater
Maximum Residual Disinfectant Level (MDRLs) The highest level of disinfectant
allowed in drinking water. Standards set by the US EPA
Microbial Pathogens Micro-organisms that cause disease
Safe Drinking Water Act (SDWA) An Act passed by the US Congress in 1974. It
establishes a cooperative program among local, state, and federal agencies to ensure safe
drinking water for customers.
Ch 1 - One gallon of water weighs 8.34 pounds
Ch 1- The average domestic water usage per person per day is usually somewhere in the range of
100-130 gallons
, Class A Water Operator
Questions With Complete Solutions
Ch 1 -Probably the most important source of information to use when implementing changes in
process control at a water plant is Lab Results
Ch 1 - The most important duty of a water plant operator is to Help to protect the health
and well-being of the community
Apparent color The color visible in water
True color Dissolved material contribution to color and is not removed through simple
filtration (i.e. coffee or tea). Measure in Color Units (CUs) using a clear glass tube called a
Nessler tub.
Turbidity Particles suspended in water. These particles can be removed through filtration.
This is considered a primary contaminant by the EPA. These particles can surround and protect
harmful microorganisms from being destroyed by chlorination.
Nephelometric Turbidity Unit (NTUs) A measure of turbidity
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