| Question | Answer | % Correct |
|---|---|---|
| Never enter a manhole alone; at least ________ people should stand by on the surface. | 2 | 100%
|
| Label and date ________. | chemicals | 100%
|
| Laboratories should have two ________, a safety shower, and an eyewash station | exits | 100%
|
| Do not smoke in a ________ atmosphere. | flammable | 100%
|
| Traffic control devices must conform to standards set by the ________ Manual on Uniform Traffic Control Devices for Streets and Highways. | Texas (TMUTCD) | 100%
|
| Elements of a safety program include a written policy, supportive administration, trained employees, safety inspections, accident review, and record keeping. | True | 100%
|
| General hazards around a collection system and wastewater treatment plant include disease, oxygen deficiency, gases, chemicals, fire, and electrical shock. | True | 100%
|
| The atmosphere of underground structures should be ventilated and tested before entering. | True | 100%
|
| Operators should be familiar with industrial waste entering the collection system. | True | 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%
|
| Before entering a manhole, test for gases and oxygen level and ________ the manhole before and during entry. | ventilate | 100%
|
| Storage should separate acids, alkalies, flammables, oxidizers, and ________. | explosives | 80%
|
| The most important aspect of plant safety is ________. | good housekeeping | 80%
|
| Never place a ________ in a sample refrigerator. | lunch | 80%
|
| In the collection system, traffic safety includes warning traffic with signs, cones, flagmen, and ________. | safety vests and warning lights | 80%
|
| Before using a chemical, read the ________. | SDS | 80%
|
| If the manhole cannot be ventilated, wear ________. | supplied air respirator | 80%
|
| An atmosphere is oxygen deficient when oxygen content is less than 19.5%. | True | 80%
|
| Excavations ________ feet or deeper should be shored, shielded, or sloped. | 5 | 60%
|
| Be sure ________ lighting is available for night shifts. | bright | 60%
|
| The Occupational Safety and Health Act (Right-to-Know Act) requires employers to provide information about hazardous workplace chemicals. | False | 60%
|
| Carbon dioxide and methane are toxic; chlorine and hydrogen sulfide are suffocating. | False | 60%
|
| The federal law having the greatest impact on workplace safety is the Texas Hazard Communication Act. | False | 40%
|