CPWR - The Center for Construction Research and Training 40-Hour Site Worker Post-Test Version XII

Transcription

1 CPWR - The Center for Construction Research and Training 40-Hour Site Worker Post-Test Place your answers on the separate answer sheet. 1.When must a worker, who is required to wear a respirator, perform a user seal check? A. Once a week B. Before each use C. Every other day D. Every month 2.Which set of symptoms are the result of heat stroke? A. Coma; strong rapid pulse; nausea; red hot skin B. Dizziness, nausea; heavy sweating; fainting; pale, cool skin C. Muscle spasm; pain in body parts D. Heat rash; sweating 3.Which of the following exposure limits or guidelines is the OSHA legally enforceable standard? A. Recommended Exposure Limit (REL) B. Threshold Limit Value (TLV) C. Permissible Exposure Limit (PEL) D. Maximum Exposure Limit (MEL) 4.Overall, what are the main types of hazards found on a hazardous waste site? A. Highway traffic and chemical exposure hazards B. Hazardous chemicals or materials and safety hazards C. Electrical and safety hazards D. Fires and dust 5.Laboratory sampling results of an unknown liquid reveal a ph of 2. This liquid would be classified as a. A. Acid B. Halogen C. Base D. Neutral 1

2 6.What does the yellow diamond stand for in the NFPA 704 labeling system? A. Health hazard B. Flammability hazard C. Special hazard D. Instability hazard 7.Which term most accurately describes all respirators? A. They leak B. They leak only if not fitted properly C. They protect against oxygen deficiency D. They protect against radionuclides 8.Which of the following zones is considered most contaminated? A. CRC B. Decontamination Zone C. CRZ D. Exclusion Zone 9.What protection factor has been assigned by OSHA to a full face Powered Air Purifying Respirator (PAPR)? A. 10 APF B. 50 APF C. 1,000 APF D. 10,000 APF 10. The combustible gas indicator is used to measure which of the following materials? A. Radiation B. Organic gases and vapors C. Flammable materials D. Oxygen concentration 2

3 11. Which member of the confined space entry team must remain at the entry point until the job is terminated or they are relieved? A. Entrant B. Attendant C. Entry Supervisor D. Rescue Personnel 12. What factor(s) can limit the use of chemical resistant clothing? A. All of the following B. It can be degraded by water. C. It can loose flexibility in cold weather. D. It can be degraded by strong acids and bases. 13. If you believe that you have been punished for exercising your OSHA rights, how long do you have, from the time you find out you've been punished, to contact OSHA to straighten out the problem? A. 2 days B. 10 days C. 14 days D. 30 days 14. At a minimum, how many days of on-site supervised actual field experience are required when you start work at a hazardous waste site? A. 1 B. 2 C. 3 D Who is required to pay for medical exams for workers at hazardous waste sites? A. The Worker B. The Union C. The worker's insurance D. The employer 16. If you are working on a hazardous waste site, how often are you required to take a hazardous waste refresher? A. 6 months B. 12 months C. 15 months D. 3 years 3

4 17. What term is used to identify the lowest concentration of a vapor or gas that will produce a flash of fire when an ignition source is present? A. LEL B. UFL C. Flammable Range D. Flashpoint 18. Which of the following is NOT considered an engineering controls. A. Automatic shut-off valves B. Local ventilation booths C. Personal protective equipment D. Negative pressure containment set-up 19. Which set of personal protective equipment represents at least part of Level C protection? A. SCBA and fully encapsulated chemical resistant suit B. General work clothing and hard hat C. Air purifying respirator, chemical resistant clothing, boots, and gloves D. Neoprene splash suit and Supplied Air Respirator 20. What is the primary purpose of most monitoring and sampling efforts? A. Determine the type and concentration of hazardous substances B. Obtain samples to send to EPA C. Find out if the drum is structurally sound D. Determine the background readings of hazardous substances 21. Which is the most accurate statement about the decontamination procedure? A. Remove the most grossly contaminated clothing first B. Perform decontamination as fast as possible C. Perform decontamination only if you are NOT going back into the Exclusion Zone D. Use water to decon oil based contamination 22. If you find a drum on-site with a radioactive label that has been crossed out with a black marker, which one of the following should you do first? A. Handle the drum as far away from your body as you can B. Handle the drum as if it were a normal drum C. Evacuate the area and report the situation to the safety officer D. Use mechanical equipment to move the drum 4

5 23. A new chemical is delivered to your work site from the manufacturer. You are asked to use it. Therefore, you want to know what it is; how to handle it; and what precautions to take. Which of the following gives you the most information about the chemical? A. The container label B. The Safety Data Sheet C. The employer's written hazard communication program D. The local OSHA office 24. You are working on a hot day (90 F) with a material that has a boiling point of 50 F. What does this mean to you? A. The material will settle in low areas displacing oxygen B. The material will explode C. The material will corrode D. The material will evaporate quickly 25. Which statement is always true of the "buddy system"? A. Is only needed at sites where the hazards are not known B. Visual or radio communication with the command post supervisor is not needed when using the buddy system C. Must always be used when working in the Exclusion Zone D. Allows workers to enter the Exclusion Zone from different points and then work together 26. Which of the following is the most common route of entry into your body for carbon monoxide? A. Contact B. Inhalation C. Ingestion D. Injection 27. What is the primary purpose of the Site Specific Health and Safety Plan? A. Protect contractor in case of lawsuit B. Meet EPA and OSHA requirements C. Provides the site safety and health information and protective procedures D. Resolve disputes among workers 28. The main purpose of personal monitoring devices, is to measure the to physical and chemical agents. A. worker s exposure B. community s exposure C. environment s exposure D. public s exposure 5

6 29. Time Weighted Average (TWA) is the average concentration of material over a full work shift. What is the TWA for the following worker's exposure to toluene? A. 50 ppm B. 100 ppm C. 60 ppm D. 150 ppm 75 ppm for 2 hours, 100 ppm for 1 hour, and 30 ppm for 5 hours 30. Control of run-off generated during decontamination is: A. A low priority because chemicals are diluted with water. B. A low priority unless the chemical is water reactive. C. A low priority unless the site is near a community. D. Never a low priority 31. Which of the following are included in an emergency response plan that meets OSHA 29CFR requirements? A. The location of safe refuge for evacuated site workers B. SOPs for shutting down equipment on the site C. Survivor benefit plan D. Both A and B 32. Which of the following statements about SOPs is correct? A. Workers only need training on SOPs if the chemicals are explosive. B. Workers are responsible for choosing the level of PPE C. SOPs are needed for routine, everyday work activities. D. Only level D protection is needed in most decon lines. 33. Say you used a detector tube to measure the level of toluene in the atmosphere and found it to be 100 ppm. Given the usual accuracy of detector tubes, how far off could the reading be? A. +/- 25 ppm B. +/- 10 ppm C. +/- 15 ppm D. +/- 20 ppm 34. An example of a reaction to a chronic exposure is: A. Skin burns from an acid splash. B. Collapse from lack of oxygen in a confined space. C. Lung scarring after years of working with asbestos. D. Dizziness from inhaling solvent vapors. 6

7 35. What federal agency is responsible for hazardous waste worker safety? A. NIOSH (National Institute for Occupational Safety and Health) B. OSHA (Occupational Safety and Health Administration) C. EPA (Environmental Protection Agency) D. DOT (Department of Transportation) 36. What action is required when the warning device on your SCBA (Self Contained Breathing Apparatus) sounds? A. Switch SCBA to bypass air and continue working B. Put work in order, notify buddy, leave through emergency decon area. C. Stop what you are doing, notify buddy, leave through decon area D. Drop your work tools, leave area, and go to emergency decon area 37. When dressed out in Level A or Level B protection, which of the following is NOT likely to be a problem? A. Difficulty communicating with a buddy B. Increased risk of heat stress C. Inhalation of toxic gases D. Increased risk of accidents because of limited mobility 38. Sampling can be classified as: A. Personal, aggregate and bulk/surface B. Group, area and bulk/surface C. Personal, area and laboratory D. Personal, area and bulk/surface 39. Which of the following types of information must be included in the site specific safety and health plan? A. Standard operating procedures B. Company organizational chart C. Health, welfare, and accident benefits plan D. Paper work requirements of company 40. Which statement best explains what happens to the results of medical exams? A. Employers get a copy of all medical test s results from the doctor, even those not related to your work B. Workers get a written opinion directly from the doctor C. Workers will always get a copy of all medical test s results from the employer D. Employers get the written opinion from the doctor; workers get a copy from the employer 7

8 41. Which of the following conditions is an indication that it is time to change the cartridge in your APR? A. All of the below are indications that it is time to change cartridges. B. When the ESLI (End of Service Life Indicator) code on the cartridge changes color while in the Hot Zone. C. When the cartridge change schedule tells you to change. D. When you detect a different smell in your respirator while in the Hot Zone. 42. If a worker discovers an unsafe or unhealthy condition in the workplace, the worker should: A. Inform his/her supervisor. B. Keep quiet and avoid the area. C. Attempt to hide the condition by placing plywood or other substances over the hazard. D. Immediately contact his/her lawyer. 43. Which phrase tells you that above this concentration the material is too Arich@ to ignite? A. Below the Threshold Limit Value (TLV) B. Above the Upper Explosive Level (UEL) C. Below the Permissible Exposure Limit (PEL) D. Below the Specific Gravity (SpGr) 44. Which statement meets the requirements of an Emergency Response Plan (ERP)? A. Workers can see the ERP only if they ask for it. B. Workers must have regular drills on the ERP. C. Workers only have to read the ERP. D. Workers must pass a written test on the ERP. 45. Using a lock-out in a confined space means: A. Prohibiting workers from entering the work area. B. Physically preventing a release of energy and material into the space C. Separating the workers from the hazards D. Using engineering controls 46. The OSHA Assigned Protection Factor of a half-face mask is 10. The OSHA PEL for Nitric Acid is 2 ppm. What is the Maximum Use Concentration? A. 20 ppm B. 12 ppm C. 8 ppm D. 25 ppm 8

9 47. A container has ruptured, and a chemical has spilled. The SDS indicates that the chemical has a PEL of 2ppm. It is not absorbed through the skin. What is the lowest level of protection that should be worn? A. Level A B. Level B C. Level C D. Level D 48. The site safety officer says your gloves are having a Apermeation problem@. What does this mean? A. The glove is too thick. B. The glove has not been properly decontaminated. C. The cuff is not tight enough to keep chemicals from leaking in. D. The glove allows chemicals to pass through it quickly and easily. 49. When working in low lying places where a gas or vapor is present, what property is of greatest concern? A. Boiling point B. Melting point C. Specific gravity D. Vapor density 50. What source of information is most often used first by emergency first responders at the scene of an hazardous materials incident? A. Wireless Information System for Emergency Responders (WISER) B. Code of Federal Regulations (CFR) C. NIOSH Pocket Guide D. National Contingency Plan 9