CWEA COLLECTIONS SYSTEM MAINTENANCE GRADE 3 TEST QUESTIONS WITH ALL ANSWERS

CWEA COLLECTIONS SYSTEM
MAINTENANCE GRADE 3 TEST
QUESTIONS WITH ALL
ANSWERS




A Flagger should Stand?
F F F


A. On the shoulder adjacent to traffic being controlled
F F F F F F F F


B. In the closed lane before stopping vehicle traffic
F F F F F F F F


C. In the traffic lane.
F F F F


D. As stated in "A" or "B" above. - correct answer-D. As stated in "A" or "B" above.
F F F F F F F F F F F F F F F F F




Legally responsible officials are required to report category 1 sanitary sewer overflows
F F F F F F F F F F F


?
A. Within 30 days
F F F


B. Before end of the day
F F F F F


C. As soon as possible
F F F F


D. Within 2 hours - correct answer-D. Within 2 hours
F F F F F F F F F




When working in confined spaces or sewers, what form of lighting would you use?
F F F F F F F F F F F F F


A. Mirrors to direct the sunlight or explosion proof lighting.
F F F F F F F F F


B. Ordinary electric lights
F F F


C. Propane, Gas, or kerosene lanterns
F F F F F


D. Special matches - correct answer-
F F F F F


A. Mirrors to direct the sunlight or explosion proof lighting.
F F F F F F F F F




What can happen if water-based substances are used to extinguish electrical fires?
F F F F F F F F F F F


a. Nothing but extinguish the fire
F F F F F F


b. The fumes are not harmful
F F F F F F


c. Receive an electrical shock
F F F F F

, d. They will corrode the electrical contacts - correct answer-
F F F F F F F F F


c. Receive an electrical shock
F F F F




When testing a manhole for explosive gases when should the first tests be made?
F F F F F F F F F F F F F


a. After removing the manhole cover
F F F F F F


b. Before removing the manhole cover
F F F F F F


c. At any time
F F F F


d. After ventilation - correct answer-b. Before removing the manhole cover
F F F F F F F F F F




Atmospheric hazards encountered in manholes can include:F F F F F F


a. non-explosive atmospheres.
F F F


b. non-toxic atmosphere.
F F F


c. lack of oxygen.
F F F F


d. non-flammable atmospheres. - correct answer-c. lack of oxygen.
F F F F F F F F




When setting up to ventilate a manhole, the air inlet should be how many feet above str
F F F F F F F F F F F F F F F F


eet level?
F


a. 4.0
F F


b. 3.0
F F


c. 2.0
F F


d. 1.0 - correct answer-c. 2.0
F F F F F




Which chemical may be used for odor control in a sewer system?
F F F F F F F F F F F


a. Calcium chloride
F F F


b. Hydrogen peroxide
F F F


c. Oxidized aluminum
F F F


d. Sodium chloride - correct answer-b. Hydrogen peroxide
F F F F F F F




What information must be on a warning tag attached to a switch that has been locked o
F F F F F F F F F F F F F F F F


ut?
a. Directions for removing tag.
F F F F F


b. Name of nearest physician to call in case of emergency.
F F F F F F F F F F F


c. Signature of person who locked out switch and who is the only person authorized to r
F F F F F F F F F F F F F F F F


emove tag. F F


d. Time to unlock switch. - correct answer-
F F F F F F F


c. Signature of person who locked out switch and who is the only person authorized to r
F F F F F F F F F F F F F F F F


emove tag. F




Under what conditions must each member of the rescue service practice permit space
F F F F F F F F F F F F F


rescues?
a. At least once a year in a simulated situation or by the satisfactory performance of an
F F F F F F F F F F F F F F F F F


actual rescue. F F


b. At least twice a year in simulated situations.
F F F F F F F F


Fc. At least once a year in simulated situation using non-
F F F F F F F F F F


representative space conditions F F F


d. At least four times a year. - correct answer-
F F F F F F F F F


a. At least once a year in a simulated situation or by the satisfactory performance of an
F F F F F F F F F F F F F F F F F


actual rescue. F




How is a permit-required space described?
F F F F F