Statistics for Texas Basic Waste Water Operations Ch#13 Safety

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General Stats

This quiz has been taken 2 times
The average score is 19 of 24

Answer Stats

Question	Answer	% Correct
Never enter a manhole alone; at least ________ people should stand by on the surface.	2	100%
Excavations ________ feet or deeper should be shored, shielded, or sloped.	5	100%
Be sure ________ lighting is available for night shifts.	bright	100%
Label and date ________.	chemicals	100%
Laboratories should have two ________, a safety shower, and an eyewash station	exits	100%
Storage should separate acids, alkalies, flammables, oxidizers, and ________.	explosives	100%
Do not smoke in a ________ atmosphere.	flammable	100%
In the collection system, traffic safety includes warning traffic with signs, cones, flagmen, and ________.	safety vests and warning lights	100%
If the manhole cannot be ventilated, wear ________.	supplied air respirator	100%
Before working on electrical equipment, breakers and switches should be locked out and tagged.	True	100%
Operators should not use a ladder one-handed.	True	100%
Operators should be familiar with industrial waste entering the collection system.	True	100%
The atmosphere of underground structures should be ventilated and tested before entering.	True	100%
An atmosphere is oxygen deficient when oxygen content is less than 19.5%.	True	100%
General hazards around a collection system and wastewater treatment plant include disease, oxygen deficiency, gases, chemicals, fire, and electrical shock.	True	100%
Elements of a safety program include a written policy, supportive administration, trained employees, safety inspections, accident review, and record keeping.	True	100%
Before entering a manhole, test for gases and oxygen level and ________ the manhole before and during entry.	ventilate	100%
The federal law having the greatest impact on workplace safety is the Texas Hazard Communication Act.	False	50%
Before using a chemical, read the ________.	SDS	50%
Traffic control devices must conform to standards set by the ________ Manual on Uniform Traffic Control Devices for Streets and Highways.	Texas (TMUTCD)	50%
The Occupational Safety and Health Act (Right-to-Know Act) requires employers to provide information about hazardous workplace chemicals.	False	0%
Carbon dioxide and methane are toxic; chlorine and hydrogen sulfide are suffocating.	False	0%
The most important aspect of plant safety is ________.	good housekeeping	0%
Never place a ________ in a sample refrigerator.	lunch	0%