38. Continuous exposure to high-level noisescould cause which of the following kinds ofhearing loss?1. Temporary2. Permanent3. Both 1 and 2 above39. When working in machinery rooms and repairshops, you may be required to weardouble-hearing protection.1. True2. False40. When driving or riding in a Navy vehicle, youare required to wear seat belts.1. True2. False41. Which of the following precautions shouldyou follow when lifting heavy objects?1. Keep the load close to the center of yourbody2. Pull the load toward you; then liftgradually3. If too heavy to lift alone, get help4. All of the above42. Heat stress is caused by a combination ofwhich of the following factors?1. Workload2. Humidity3. Air temperature4. All of the above43. Prolonged exposure to heat stress conditionscauses which of the following medicalemergencies?1. Heat stroke2. Heat exhaustion3. Both 1 and 2 above4. Euphoria44. What is the major health risk to personnel whoare exposed to severe cold weather?1. Snow blindness2. Hypothermia3. Sunburn4. Flu45. Which of the following documentsstandardizes tag-out procedures aboard ship?1. NAVSHIPS 9890/32. NAVSHIPS 9890/53. OPNAVINST 3120.324. OPNAVINST 4450.246. Under the tag-out procedures, what person hasthe authority to place a system off line forrepairs or maintenance?1. Authorizing officer2. Repair activity rep3. Person attaching the tag4. Person checking the tag47. How many different tags are authorized foruse in identifying defective instruments orpieces of equipment?1. One2. Two3. Three4. Four48. What color is used to identify a danger tag?1. Yellow2. Green3. Red49. What color identifies a caution tag?1. Yellow2. Green3. Red50. What means are used to control an entiretag-out procedure?1. DC fitting closure tag2. Tag-out logs3. Engineer boiler log4. First lieutenant’s deck log51. Which of the following publications containinformation on Navy safety?1. OPNAVINST 4450.22. OPNAVINST 5100.193. NAVPERS 4450.24. NAVPERS 5100.1919-38
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