final exam

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Author:
class35
ID:
213129
Filename:
final exam
Updated:
2013-04-12 18:17:02
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HRT review final
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Description:
HRT and comprehensive review
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  1. what does LCES stand for?
    • lookouts
    • communication
    • escape routes
    • safe zone
  2. what does laminar flow mean?
    fast water on top, center of river
  3. what is helical flow?
    slow water on sides of river circulates in spiral motion with other water
  4. calm areas of water separated from the main current
    eddies
  5. the line where the recycling water is separated from the main donstream current-recognized by whire turbulent water
    boil line
  6. what are low head dams?
    man-made vertical drops that stretch from shore to shore with no downstream eddies, Vs, or other river features normally used for Rx
  7. the white turbulent water in a hydraulic is how much % of air?
    60
  8. what type of PFD is used for swift water?
    what should you attach?
    • type 3 USCG approved
    • knife, whistle
  9. what is the single most versatile tool for water Rx?
    throw bags
  10. what is the exclusion, operational, and support zones for a mud slide?
    100'
  11. how can you remove a victim from mud?
    harness them and spray water and air into mud to break suction
  12. Collapse stage 1
    • respond, 8-sided size up
    • (top,bottom, 4 sides, airspace, exterior)
  13. Collapse zone Stage 2
    surface SAR
  14. what goes on top of X marking?
    right side?
    bottom?
    • date, time team left structure
    • hazards
    • victim info
  15. what goes on left side of / or X?
    • unit #
    • time of entry
  16. what mark is made for minor damage, little danger of collapse?
    2x2' orange box
  17. structure is significantly damaged marking
    not safe for search operations marking
    • /
    • X
  18. V with a line across the top signifies what?
    V with an X and circle around it?
    • victim is deceased
    • victim removed
  19. Collapse stage 3
    • void space search
    • generally exceeds FF 1and 2 skill level
  20. on a collapse is it safer to breach a wall  or cut through floors
    floors
  21. collapse stage 4
    • selected debris removal
    • delayer the collapse zone from top to bottom
  22. collapse stage 5
    • general debris removal
    • transition to recovery phase
  23. 5 phases of collapse zone SAR
    • 1. size up
    • 2. surface SAR
    • 3. void space search (no heavy equip. yet)
    • 4. selected debris removal
    • 5. general debris removal
  24. how far away should you park at trench collapse?
    50'
  25. rescuers should not enter trench > how many feet?
    5
  26. chances of secondary trench collapse
    50%
  27. where should ladders be placed on trench operation?
    • ends
    • every 20'
  28. nonpermit confined space is what?
    • large enough for employee
    • limited means of entry/egress
    • not designed for continuous occupancy
  29. permit confined space is what?
    • known potential for haz. atmosphere
    • pot. to entrap or asphyxiate
    • other hazards
  30. combustible are considered hazardous at what LEL?
    10%
  31. raw sewage contains high amounts of what gas?
    H sulfide
  32. zone where no one should enter without suitable safety equip
    exclusion (generally 50' on confined Rx)
  33. zone for equipment and operations
    operational zone (100' around exclusionary on confined Rx)
  34. what is a traction elevator?
    where is the control room located?
    • electric motor with cable or rope to raise and lower car
    • top
  35. what is a hydraulic elevator?
    where is power unit located?
    • uses piston under hydraulic pressure to raise an lower.
    • bottom
  36. what is the safety perimeter of downed wires?
    • 30'
    • 1 pole span away
  37. what is the first task on an elevator emergency?
    call technician

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