WasteWater certification exam questions
Study online at https://quizlet.com/_3jmn5j
1. The first step in maintenance staff should take in prop- alert the operator on duty
erly locking and tagging out a piece of equipment is to
2. When working in an area with two or more floor cov- Secured together
erings, be sure that they are always
3. When manually lifting any object be sure to keep it close to your body
and use leg strength
4. Oxygen deficiency becomes a concern when the oxy- 19.5%
gen level in a confined space is less than
5. What provides safety information for potentially haz- MSDS Material safety Data
ardous or toxic materials? Sheet
6. The threshold limit value concentration for chlorine 0.5 ppm
vapor is
7. When working in confined spaces where flammable a non-sparking alloy
gases may be present, use only tools made of
8. In addition to the worker entering a confined space, 1
what is the minimum number of people required to be
present during a confined space entry?
9. Hearing protection must be made available to all em- 85 decibels, averaged over
ployees exposed to noise levels above 8 working hours
10. Recommended personal hygiene practices to min- changing out of your work
imize the risk of being infected by wastewater clothes and showering be-
pathogens include fore leaving work
11. When using protable electric tools in damp areas or ground fault circuit inter-
around standing water, be sure to plug them into a rupter
1/5
, WasteWater certification exam questions
Study online at https://quizlet.com/_3jmn5j
12. You are the operator-on-duty. The alarm for the fire Class C`
detector in the Belt filter press control room goes off.
what type of fire extinguisher would you take to re-
spond to this alarm?
13. In confined space entry, LFL stands for Lower flammability limit
14. When mixing dry sodium hydroxide and water in an the vessel or area is prop-
enclosed vessel or area, be sure that erly vented
15. Personnel should not work alone on energized equip- 480 volts. It is considered
ment, for example, a magnetic starter, that operates at lethal any amount about
or above this.
16. Which of the following hazardous chemicals in a hydro- Methane.
carbon? Methane. Phosphoric acid. Sodium hydroxide.
Ferric chloride.
17. Pulmonary capacity tests are required before opera- 3 years
tors can be cleared for using respiratory equipment.
These tests should be performed at a minimum of
once every
18. According to article 250 of the U.S. National Electric Green.
Code (NEC), what color should green wires be?
19. If your 910 kg (1 ton) chlorine cylander is leaking, what Type A is for 70 kg (150
type of chlorine institute repair kit should be used? lbs)
Type B is for 1 ton
Type C is for rail cars
20. If your facility stores _______ or more chlorine, you must 1140 kg (2500 lb)
develop a Risk Management Program in compliance
2/5
Study online at https://quizlet.com/_3jmn5j
1. The first step in maintenance staff should take in prop- alert the operator on duty
erly locking and tagging out a piece of equipment is to
2. When working in an area with two or more floor cov- Secured together
erings, be sure that they are always
3. When manually lifting any object be sure to keep it close to your body
and use leg strength
4. Oxygen deficiency becomes a concern when the oxy- 19.5%
gen level in a confined space is less than
5. What provides safety information for potentially haz- MSDS Material safety Data
ardous or toxic materials? Sheet
6. The threshold limit value concentration for chlorine 0.5 ppm
vapor is
7. When working in confined spaces where flammable a non-sparking alloy
gases may be present, use only tools made of
8. In addition to the worker entering a confined space, 1
what is the minimum number of people required to be
present during a confined space entry?
9. Hearing protection must be made available to all em- 85 decibels, averaged over
ployees exposed to noise levels above 8 working hours
10. Recommended personal hygiene practices to min- changing out of your work
imize the risk of being infected by wastewater clothes and showering be-
pathogens include fore leaving work
11. When using protable electric tools in damp areas or ground fault circuit inter-
around standing water, be sure to plug them into a rupter
1/5
, WasteWater certification exam questions
Study online at https://quizlet.com/_3jmn5j
12. You are the operator-on-duty. The alarm for the fire Class C`
detector in the Belt filter press control room goes off.
what type of fire extinguisher would you take to re-
spond to this alarm?
13. In confined space entry, LFL stands for Lower flammability limit
14. When mixing dry sodium hydroxide and water in an the vessel or area is prop-
enclosed vessel or area, be sure that erly vented
15. Personnel should not work alone on energized equip- 480 volts. It is considered
ment, for example, a magnetic starter, that operates at lethal any amount about
or above this.
16. Which of the following hazardous chemicals in a hydro- Methane.
carbon? Methane. Phosphoric acid. Sodium hydroxide.
Ferric chloride.
17. Pulmonary capacity tests are required before opera- 3 years
tors can be cleared for using respiratory equipment.
These tests should be performed at a minimum of
once every
18. According to article 250 of the U.S. National Electric Green.
Code (NEC), what color should green wires be?
19. If your 910 kg (1 ton) chlorine cylander is leaking, what Type A is for 70 kg (150
type of chlorine institute repair kit should be used? lbs)
Type B is for 1 ton
Type C is for rail cars
20. If your facility stores _______ or more chlorine, you must 1140 kg (2500 lb)
develop a Risk Management Program in compliance
2/5
