Water Treatment Operator Exam Class
C and D Questions and Answers 100%
Pass
Always _____ a piece of equipment before attempting a repair - ANSWER-
Lockout/Tagout
Never Tamper with a ____ on a chlorine cylinder - ANSWER-fusible plug
Chlorine gas is _____ times heavier than air. - ANSWER-2.5
one volume of liquid chlorine produces ____ Volumes of gaseous chlorine under
pressure - ANSWER-460
Always Change the ______ when changing a chlorine cylinder - ANSWER-Lead
Washer
Always first _________ to a chlorine cylinder before changing the cylinder -
ANSWER-turn off the valve
Always make certain 150-lbs Chlorine cylinders are stored _____ - ANSWER-
Upright and secured
When transporting a chlorine cylinder always use a _____ - ANSWER-Hand truck
©️COPYRIGHT 2025, ALL RIGHTS RESERVED. 1
C and D Questions and Answers 100%
Pass
Always _____ a piece of equipment before attempting a repair - ANSWER-
Lockout/Tagout
Never Tamper with a ____ on a chlorine cylinder - ANSWER-fusible plug
Chlorine gas is _____ times heavier than air. - ANSWER-2.5
one volume of liquid chlorine produces ____ Volumes of gaseous chlorine under
pressure - ANSWER-460
Always Change the ______ when changing a chlorine cylinder - ANSWER-Lead
Washer
Always first _________ to a chlorine cylinder before changing the cylinder -
ANSWER-turn off the valve
Always make certain 150-lbs Chlorine cylinders are stored _____ - ANSWER-
Upright and secured
When transporting a chlorine cylinder always use a _____ - ANSWER-Hand truck
©️COPYRIGHT 2025, ALL RIGHTS RESERVED. 1
