38. Continuous exposure to high-level noises
could cause which of the following kinds of
hearing loss?
1. Temporary
2. Permanent
3. Both 1 and 2 above
39. When working in machinery rooms and repair
shops, you may be required to wear
double-hearing protection.
1. True
2. False
40. When driving or riding in a Navy vehicle, you
are required to wear seat belts.
1. True
2. False
41. Which of the following precautions should
you follow when lifting heavy objects?
1. Keep the load close to the center of your
body
2. Pull the load toward you; then lift
gradually
3. If too heavy to lift alone, get help
4. All of the above
42. Heat stress is caused by a combination of
which of the following factors?
1. Workload
2. Humidity
3. Air temperature
4. All of the above
43. Prolonged exposure to heat stress conditions
causes which of the following medical
emergencies?
1. Heat stroke
2. Heat exhaustion
3. Both 1 and 2 above
4. Euphoria
44. What is the major health risk to personnel who
are exposed to severe cold weather?
1. Snow blindness
2. Hypothermia
3. Sunburn
4. Flu
45. Which of the following documents
standardizes tag-out procedures aboard ship?
1. NAVSHIPS 9890/3
2. NAVSHIPS 9890/5
3. OPNAVINST 3120.32
4. OPNAVINST 4450.2
46. Under the tag-out procedures, what person has
the authority to place a system off line for
repairs or maintenance?
1. Authorizing officer
2. Repair activity rep
3. Person attaching the tag
4. Person checking the tag
47. How many different tags are authorized for
use in identifying defective instruments or
pieces of equipment?
1. One
2. Two
3. Three
4. Four
48. What color is used to identify a danger tag?
1. Yellow
2. Green
3. Red
49. What color identifies a caution tag?
1. Yellow
2. Green
3. Red
50. What means are used to control an entire
tag-out procedure?
1. DC fitting closure tag
2. Tag-out logs
3. Engineer boiler log
4. First lieutenant’s deck log
51. Which of the following publications contain
information on Navy safety?
1. OPNAVINST 4450.2
2. OPNAVINST 5100.19
3. NAVPERS 4450.2
4. NAVPERS 5100.19
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