Water Treatment ch 1 Flashcards
Safety is not the operator’s responsibility, but the responsibility of the supervisor.
T or F
False
Plant visitors are impressed by records showing efficient operation, and their opinions are seldom influenced by the appearance of plant and grounds
T or F
False
After finishing this program, you will not have to study water treatment any more.
T or F
False
In many water treatment plants the operator must be a jack-of-all-trades.
T or F
True
Excessive hardness is removed from waters to prevent the staining of clothes and plumbing fixtures
T or F
False
The purpose of a water treatment plant is to produce water free of
a) disagreeable tastes
b) disease-causing organisms
c) toxic substances
d) undesirable odors
e) unpleasant appearances
a) disagreeable tastes
b) disease-causing organisms
c) toxic substances
d) undesirable odors
e) unpleasant appearances
The MAIN purpose of flocculation is to
a) filter out suspended particles
b) gather together fine particles to form larger particles
c) mix chemicals with raw water containing fine particles
d) reduce corrosivity of treated water
e) settle out suspended particles
b) gather together fine particles to form larger particles
Screens are installed in intake structures to remove ____ from the raw water.
a) debris
b) dissolved solids
c) fine particles
d) leaves
e) suspended solids
a) debris
d) leaves
Water treatment plant operators are responsible for
a) explaining purpose of treatment plant
b) keeping accurate records
c) maintaining the appearance of plant
d) protecting the health and well-being of community
e) safely performing their job
a) explaining purpose of treatment plant
b) keeping accurate records
c) maintaining the appearance of plant
d) protecting the health and well-being of community
e) safely performing their job
An experienced water treatment plant operator may be expected to
a) develop a safety program
b) maintain equipment
c) operate treatment processes
d) respond to complaints
e) train new operators
a) develop a safety program
b) maintain equipment
c) operate treatment processes
d) respond to complaints
e) train new operators
All drinking water treatment plant operators have the responsibility of producing
a) good operator training programs
b) pleasant drinking water
c) potable drinking water
d) profitable drinking water operations
e) safe drinking water
b) pleasant drinking water
e) safe drinking water
The MAIN purposes of pre-chlorination are to:
a) cause very fine particles to clump together
b) control corrosion
c) help control taste- and odor-causing substances
d) kill most diseases-causing organisms.
e) settle out larger suspended particles
c) help control taste- and odor-causing substances
d) kill most diseases-causing organisms.
Typical duties performed by water treatment plant operator include
a) collect representative water samples
b) conduct safety inspection
c) load and unload chemicals
d) order repair parts and tools
e) start up and shut down plant equipment
a) collect representative water samples
b) conduct safety inspection
c) load and unload chemicals
d) order repair parts and tools
e) start up and shut down plant equipment
Water treatment plant operators must be able to explain the purpose of their plant to
a) city council members
b) civic organizers
c) officials of regulatory agencies
d) representatives of news media
e) school children
a) city council members
b) civic organizers
c) officials of regulatory agencies
d) representatives of news media
e) school children
