WATER TREATMENT OPERATOR
EXAM CLASS C AND D EXAM WITH
COMPLETE SOLUTIONS
Always _____ a piece of equipment before attempting a repair -ANSLockout/Tagout
Never Tamper with a ____ on a chlorine cylinder -ANSfusible plug
Chlorine gas is _____ times heavier than air. -ANS2.5
one volume of liquid chlorine produces ____ Volumes of gaseous chlorine under
pressure -ANS460
Always Change the ______ when changing a chlorine cylinder -ANSLead Washer
Always first _________ to a chlorine cylinder before changing the cylinder -ANSturn off
the valve
Always make certain 150-lbs Chlorine cylinders are stored _____ -ANSUpright and
secured
When transporting a chlorine cylinder always use a _____ -ANSHand truck
Never move a one-ton cylinder over a ____ or one that is ____ -ANSfull one-ton
cylinder , online
Chlorine leaks can be detected with ______ -ANSa 10% ammonia solution
Chlorine leaks tend to leave a ____ at the spot leaking -ANSgreen/yellowish color
Chlorine leaks always _____, never _____. -ANSBecome larger, Smaller
Always turn a leaking chlorine cylinder so that ______. -ANSthe gas escapes, not the
liquid
Chlorine is an ____ that is not combustible but ____. -ANSoxidizing agent , supports
combustion
when you spray ____ on a chlorine leak a ____ will appear. -ANSammonia fumes ,
white vapor
EXAM CLASS C AND D EXAM WITH
COMPLETE SOLUTIONS
Always _____ a piece of equipment before attempting a repair -ANSLockout/Tagout
Never Tamper with a ____ on a chlorine cylinder -ANSfusible plug
Chlorine gas is _____ times heavier than air. -ANS2.5
one volume of liquid chlorine produces ____ Volumes of gaseous chlorine under
pressure -ANS460
Always Change the ______ when changing a chlorine cylinder -ANSLead Washer
Always first _________ to a chlorine cylinder before changing the cylinder -ANSturn off
the valve
Always make certain 150-lbs Chlorine cylinders are stored _____ -ANSUpright and
secured
When transporting a chlorine cylinder always use a _____ -ANSHand truck
Never move a one-ton cylinder over a ____ or one that is ____ -ANSfull one-ton
cylinder , online
Chlorine leaks can be detected with ______ -ANSa 10% ammonia solution
Chlorine leaks tend to leave a ____ at the spot leaking -ANSgreen/yellowish color
Chlorine leaks always _____, never _____. -ANSBecome larger, Smaller
Always turn a leaking chlorine cylinder so that ______. -ANSthe gas escapes, not the
liquid
Chlorine is an ____ that is not combustible but ____. -ANSoxidizing agent , supports
combustion
when you spray ____ on a chlorine leak a ____ will appear. -ANSammonia fumes ,
white vapor
