CWEA Collections System Maintenance Grade 3
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and Verified Answers | 100% Correct | Grade A+
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Terms in this set (82)
A Flagger should Stand? D. As stated in "A" or "B" above.
A. On the shoulder adjacent to
traffic being controlled
B. In the closed lane before
stopping vehicle traffic
C. In the traffic lane.
D. As stated in "A" or "B" above.
Legally responsible officials are D. Within 2 hours
required to report category 1
sanitary sewer overflows?
A. Within 30 days
B. Before end of the day
C. As soon as possible
D. Within 2 hours
,When working in confined spaces A. Mirrors to direct the sunlight or explosion
or sewers, what form of lighting proof lighting.
would you use?
A. Mirrors to direct the sunlight or
explosion proof lighting.
B. Ordinary electric lights
C. Propane, Gas, or kerosene
lanterns
D. Special matches
What can happen if water-based c. Receive an electrical shock
substances are used to extinguish
electrical fires?
a. Nothing but extinguish the fire
b. The fumes are not harmful
c. Receive an electrical shock
d. They will corrode the electrical
contacts
When testing a manhole for b. Before removing the manhole cover
explosive gases when should the
first tests be made?
a. After removing the manhole
cover
b. Before removing the manhole
cover
c. At any time
d. After ventilation
, Atmospheric hazards encountered c. lack of oxygen.
in manholes can include:
a. non-explosive atmospheres.
b. non-toxic atmosphere.
c. lack of oxygen.
d. non-flammable atmospheres.
When setting up to ventilate a c. 2.0
manhole, the air inlet should be
how many feet above street level?
a. 4.0
b. 3.0
c. 2.0
d. 1.0
Which chemical may be used for b. Hydrogen peroxide
odor control in a sewer system?
a. Calcium chloride
b. Hydrogen peroxide
c. Oxidized aluminum
d. Sodium chloride
What information must be on a c. Signature of person who locked out switch and
warning tag attached to a switch who is the only person authorized to remove tag.
that has been locked out?
a. Directions for removing tag.
b. Name of nearest physician to call
in case of emergency.
c. Signature of person who locked
out switch and who is the only
person authorized to remove tag.
d. Time to unlock switch.
Exam (Latest Update) Questions
and Verified Answers | 100% Correct | Grade A+
Save
Terms in this set (82)
A Flagger should Stand? D. As stated in "A" or "B" above.
A. On the shoulder adjacent to
traffic being controlled
B. In the closed lane before
stopping vehicle traffic
C. In the traffic lane.
D. As stated in "A" or "B" above.
Legally responsible officials are D. Within 2 hours
required to report category 1
sanitary sewer overflows?
A. Within 30 days
B. Before end of the day
C. As soon as possible
D. Within 2 hours
,When working in confined spaces A. Mirrors to direct the sunlight or explosion
or sewers, what form of lighting proof lighting.
would you use?
A. Mirrors to direct the sunlight or
explosion proof lighting.
B. Ordinary electric lights
C. Propane, Gas, or kerosene
lanterns
D. Special matches
What can happen if water-based c. Receive an electrical shock
substances are used to extinguish
electrical fires?
a. Nothing but extinguish the fire
b. The fumes are not harmful
c. Receive an electrical shock
d. They will corrode the electrical
contacts
When testing a manhole for b. Before removing the manhole cover
explosive gases when should the
first tests be made?
a. After removing the manhole
cover
b. Before removing the manhole
cover
c. At any time
d. After ventilation
, Atmospheric hazards encountered c. lack of oxygen.
in manholes can include:
a. non-explosive atmospheres.
b. non-toxic atmosphere.
c. lack of oxygen.
d. non-flammable atmospheres.
When setting up to ventilate a c. 2.0
manhole, the air inlet should be
how many feet above street level?
a. 4.0
b. 3.0
c. 2.0
d. 1.0
Which chemical may be used for b. Hydrogen peroxide
odor control in a sewer system?
a. Calcium chloride
b. Hydrogen peroxide
c. Oxidized aluminum
d. Sodium chloride
What information must be on a c. Signature of person who locked out switch and
warning tag attached to a switch who is the only person authorized to remove tag.
that has been locked out?
a. Directions for removing tag.
b. Name of nearest physician to call
in case of emergency.
c. Signature of person who locked
out switch and who is the only
person authorized to remove tag.
d. Time to unlock switch.
