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Arborist Isa > Tree Climber Specialist 1 > Flashcards

Tree Climber Specialist 1 Flashcards

1
Q

1 If you ran a 5/8 inch (16mm) diameter line through a 2 inch (50mm) sheave on a pulley, what is the bend ratio , and would it be acceptable for handling heavy load in rigging?

a. 3:1, and no
b. 4:1, and yes
c. 3:1, and yes
d. 4:1, and no

A

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2
Q
  1. The _____ should be the weakest link in the rigging system!
    a. connecting link
    b. anchor
    c. belay device
    d. lowering line
A

?

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3
Q
  1. Generally, for an arborist rope the safe working load should be ______ of the tensile strength.
    a. 1/5th
    b. 1/10th
    c. 1/20th
    d. 1/4th
A

?

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4
Q
  1. you are evaluating a tree that has a 24 inch(61 cm) DBH and approximately an 18 inch(46 cm) diameter column of decay, but no open cavities. What is the approximate percentage strength loss of tree due to the decay?
    a. 70 percent
    b. 10 percent
    c. 42 percent
    d. 60 percent
A

?

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5
Q
  1. when pulling or pushing over the wood after the final cut, position yourself______ from the direction of the fall.
    a. 90 degrees
    b. 180 degrees
    c. 135 degrees
    d. none of the above
A

?

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6
Q
  1. as a general rule, a knot or hitch causes _____ strength loss in the line.
    a. 35 percent
    b. 50 percent
    c. 65 percent
    d. 20 percent
A

?

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7
Q
  1. refer back to question 4, and assume that you must remove this tree with a rigging system in which the weakest component is 12,000 lb (53 kN) tensile strength lowering line. what “adjustment” to your rigging would allow you to perform the removal without exceeding the safe working load rating of the line?
    a. Same rigging setup,pieces cut to 2 feet long (61 cm) rather than 3 feet long (91 cm)
    b. pieces cut to 2 1/2 feet long (76 cm) rather than 3 feet (91 cm),drop shortened from 2 feet (61 cm) to 1 1/2 feet (46 cm).
    c. drop shortened from 2 feet (61 cm) to 1 1/2 (46 cm), with 3 foot (91 cm) pieces.
    d. either a or b
A

?

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8
Q
  1. Double-locking carabiners:
    a. are required for all tree care operation.
    b. do not meet strength requirements for use in climbing systems
    c. require two distinct motions before opening
    d. cannot be used with braided climbing lines
A

c. require two distinct motions before opening

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9
Q
  1. If a carabiner is not loaded along its major axis:
    a. the breaking strength will be considerably low
    b. it may fail or deform
    c. the gate may open unintentionally
    d. all of the above
A

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10
Q
  1. A disadvantage of an adjustable Prusik lanyard is:
    a. they are not available with locking snaps.
    b. the prusik may be hard to reach when in use.
    c. it cannot be used with a split-tail system.
    d. all of the above
A

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11
Q
  1. wire core-lanyards should NEVER be use:
    a. when working near electrical conductors
    b. if working with a chain saw in the tree
    c. in place of a common buckstrap
    d. in any tree care operation
A

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12
Q
  1. When inspecting the tree and site, a climber should look for :
    a. electrical hazards such as wire
    b. sing of decay in the tree
    c. obstacles that could affect the work
    d. all of the above.
A

d. all of the above

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13
Q
  1. Rope used for tree climbing must be at least:
    a. 9/16 inch diameter with 7000 lbs. breaking strength.
    b. 9/16 inch diameter with 6000 lbs. breaking strength
    c. 5/8 inch diameter with 5000 lbs. breaking strength
    d. 1/2 inch diameter with 5400 lbs. breaking strength
A

?

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14
Q
  1. An advantage of an eye splice compared to loop made with a bowline is:
    a. it can be used as an endless loop
    b. there is less strength loss
    c. the rope is protected from abrasion
    d. it can be untied many time
A

?

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15
Q
  1. If a climbing using an open system(with a tail to form the friction hitch) it is a good practice to:
    a. tie a stopper knot in the tail.
    b. be on belay at all time.
    c. use only a taut-line hitch.
    d. keep both hand below the friction hitch
A

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16
Q
  1. in this drawing, identify the hitch.
    a. Prusik
    b. taut-line
    c. half
    d. Blake’s
A

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17
Q
  1. A limitation of Blakes hitch is that it :
    a. Tend to roll out on the tail.
    b. can only be used with a closed climbing system
    c. can glaze the rope on long or rapid descents
    d. can only be used with split-tail system.
A

?

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18
Q
  1. An advantage to using the split-tail system is:
    a. when the tail is worn it can be easily replaced
    b. it allows the climber to use two attachment points to the saddle
    c. it is easy to recrotch in the tree
    d. all of the above
A

?

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19
Q
  1. when tying an attachment knot for connection to the saddle, you should leave a long tail if:
    a. you are not using a split tail.
    b. an anchor knot is used to tie in
    c. you are using carabiners instead of a rope snap
A

?

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20
Q
  1. A stopper knot should be tied in the tail after the friction hitch if :
    a. a bowline is used for the attachment knot
    b. a split tail is not used
    c. an open tail is utilized
    d. tying in with a Prusik loop
A

?

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21
Q
  1. The purpose of the voice command and response system is to:
    a. ensure the the climber warns worker below before dropping anything
    b. ensure that ground workers acknowledge climbers warnings
    c. encourage constant communication between climbers and ground workers
    d. all of the above
A

?

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22
Q
  1. In the drawing to the right what is being used?
    a. split-tail.
    b. micro pulley
    c. double-locking snap
    d. both A and B
A

?

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23
Q
  1. A good reason to install a access line is to :
    a. facilitate an aerial rescue in an emergency situation
    b. have a second line ready for rigging
    c. use it as a pull line when ready to fell the tree
    d. provide a tag line for swinging limbs
A

?

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24
Q
  1. Work may be performed while standing on a ladder:
    a. as long as the climber is not on the top rung
    b. only if the climber is tied in
    c. if a ground worker is supporting the ladder
    d. if the top of ladder is against the trunk
A

?

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25
Q
  1. the technique is which a climber ascends a tree by pulling the slack out of the climbing line and advancing the friction hitch is :
    a. foot-locking
    b. Prusiking
    c. bodythrusting
    d. ascension
A

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26
Q
  1. before tossing the throw-line it is important to:
    a. secure the site
    b. clear debris from the area
    c. alert others to stand clear
    d. all of the above
A

?

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27
Q
  1. When foot-locking with a Prusik loop, it is important to keep both hands below the knot because:
    a. it is impossible to advance the knot otherwise
    b. this prevents inadvertently causing the knot slide down
    c. this avoids contact with the micro pulley
    d. all of the above
A

?

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28
Q
  1. When foot-locking up a climbing line that is installed over a 5 inch diameter limb, you should keep the Prusik knot at leas:
    a. 5 inches away
    b. 10 inches away
    c. 25 inches away
    d. 50 inches away
A

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29
Q
  1. A major limitation of using the secured foot-lock technique with a prusik loop is that it is :
    a. intended for ascent only.
    b. never to be used on a doubled climbing line
    c. not possible using 3-strand rope
    d. much slower than bodythrusting.
A

?

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30
Q
  1. when using ascendance for tree climbing operations,always :
    a. heed all manufactures cautions
    b. understand the limitation of the equipment
    c. practice firs under controlled conditions
    d. all of the above
A

d

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31
Q
  1. When sharpening climbing spurs never file the:
    a. beehive or outside of the gaff
    b. inside curve of the gaff
    c. beveled edge of the gaff
    d. bottom tip of the gaff
A

?

32
Q
  1. Climbing spurs are properly sized to the climbers leg when the:
    a. pad reaches the bottom of the kneecap
    b. pad touches the back of the thigh when the knee is bent t 90 degrees
    c. top of the shank is two fingers below the side of the knee.
    d. shank is even with the knee when the knee is bent at 90 degrees.
A

c

33
Q
  1. When climbing on spurs using a personal (work-positioning) lanyard, you should keep the lanyard :
    a. above your knees and below your shoulders.
    b. no lower than waist height
    c. no higher than waist height
    d. above your waist and below head height
A

a

34
Q
  1. When advancing the lanyard, keep your hands:
    a. on the lanyard on the back side of the trunk
    b. on the lanyard snaps at the point of attachment to the saddle
    c. a few inches from the trunk on the lanyard
    d. away from the snaps and against the trunk of the tree
A

?

35
Q
  1. When using climbing spurs in a tree:
    a. you must be secured except while ascending.
    b. you must be secured with a lanyard, a climbing line, or both
    c. you must be secured with a climbing line installed at all time
    d. other regulations for working aloft do not apply
A

?

36
Q
  1. An advantage to climbing with a 2-in-1 lanyard is that you can:
    a. keep one end secured while moving the other and around branches
    b. avoid taking a climbing line into the tree.
    c. use the lanyard as a split tail for tying in.
    d. all of the above
A

?

37
Q
  1. Pre-installing the climbing line before ascending on climbing spurs offers the additional advantage of:
    a. added safety
    b. secure positioning for working
    c. the ability to move off the trunk
    d. all of the above
A

?

38
Q
  1. in the drawing to the right, what is shown?
    a. carabiner and pulley.
    b. snap and pulley.
    c. screw link and pulley
    d. carabiner and micro-pulley
A

?poner la imagen del libro

39
Q
  1. a disadvantage to climbing a tree using lanyard without installing the climbing line is :
    a. it would be difficult to perform an aerial rescue
    b. the reduced ability ti move around in the tree.
    c. the reduced degree of safety and control .
    d. all of the above
A

d

40
Q
  1. when advancing your rope with the aid of a pole pruner:
    a. keep the rope away from the cutting surface.
    b. you can use an open or closed throwing knot
    c. you must remain secured
    d. all of the above
A

?

41
Q
  1. when choosing the final tie-in point it is important to select a crotch that:
    a. will not allow a swing into electrical conductor.
    b. is as narrow as possible to limit unintentional rope movement
    c. is not directly above the anticipated work area
    d. low and away from the center of the tree
A

?

42
Q
  1. the recommended method for tying in is to pass the climbing line:
    a. over a lateral branch
    b. around a leader and over a lateral
    c. around a lateral and over a leader
    d. between two co-dominant branches
A

?

43
Q
  1. an advantage to using a false crotch is:
    a. reduced a friction damage to the tree
    b. reduced friction on the climbing line
    c. it can be installed and retrieved from the ground.
    d. all of the above
A

d

44
Q
  1. because the false crotch causes less friction on the rope than when tied in through a natural crotch:
    a. there will be more friction at the climbing hitch
    b. the climbing line will not glaze as easily upon descent
    c. there will be less friction at the climbing hitch
    d. the climbing line will tend to twist and coil more
A

?

45
Q
  1. one technique to maintain a good rope angle when working away from the tie-in point is to install a:
    a. micro pulley on the climbing line
    b. split-tail climbing system .
    c. redirect in the climbing line
    d. false crotch below the tie-in point.
A

?

46
Q
  1. the hardware for a redirect must meet ANSI Safety Standards for climbing equipment because:
    a. ANSI specifically addresses redirect hardware
    b. a failure in the equipment could lead to a catastrophic fall or swing .
    c. any any equipment a climbing carries attached to the climbing saddle must meet these standards
    d. all of the above
A

d

47
Q
  1. In addition to being a safety device, the climbing rope helps a climber:
    a. maintain balance in the tree.
    b. access the branch tips
    c. keep both hands free for working.
    d. all of the above
A

d

48
Q
  1. the more vertical the climbing line is when the climber is moving within the tree , the:
    a. less weight is on the line
    b. more stable the climber will be
    c. less distance the climber will be able to move horizontally
    d. all of the above
A

?

49
Q
  1. maintaining a direct line from point of tie-in to the work position:
    a. is possible only when using the split-tail system
    b. helps maintain balance and security
    c. helps adjust the friction hitch
    d. can be difficult when not using a micro pulley
A

?

50
Q
  1. Device used to fair lead the climbing line into the friction hitch:
    a. split-tail.
    b. redirect
    c. micro pulley
    d. gri-gri
A

?

51
Q
  1. Technique that is employed to help establish good work position:
    a. install a foot-loop
    b. install a redirect
    c. double crotch
    d. all of the above
A

?

52
Q
  1. An important part of limb walking that help maintain balance without putting excessive weight on the limb is to:
    a. keep your weight on the rope.
    b. always walk out forward
    c. keep your roper at a low, horizontal angle.
    d. keep plenty of slack in the climbing line
A

?

53
Q
  1. A technique in which a climber is tied in with both ends of the rope climbing line simultaneously is called:
    a. re-crotching
    b. double crotching
    c. redirecting
    d. fair leading
A

?

54
Q
  1. in the drawing to the right, what is the climber doing?
    a. determining if he has sufficient rope to descend
    b. trying to rig a lowering line in a natural crotch
    c. installing a lowering line redirect
    d. double-crotching
A

?

55
Q
  1. One reason that it is important to descend in a slow,controlled manner is to:
    a. avoid burning the climbing line
    b. keep kinks out the line
    c. keep the friction hitch from rolling out
    d. avoid glazing the stopper knot
A

?

56
Q
  1. what is the rigging definition of “target”?
    a. an area that one should try to hit when lowering limbs during a rigging operation.
    b. an object that one should avoid hitting during a rigging operation.
    c. an area where workers should stand
    d. none of above.
A

?

57
Q
  1. what should the minimum sheave diameter of the pulley be for a 5/8 inch(16mm) rope?
    a. 2 inches (50mm)
    b. 2 1/2 inches(63mm)
    c. 4 inches(100 mm)
    d. 5inches (127 mm)
A

?

58
Q
  1. which of the following attachments generally causes the least strength loss in a line?
    a. bowline
    b. square knot
    c. eye splice
    d. two half hitches
A

?

59
Q
  1. which of the following sling hitches causes the most strength loss?
    a. basket hitch
    b. vertical hitch
    c. choker hitch
    d. lashing hitch
A

?

60
Q
  1. which performance characteristic of rope determine how much of a static load you can place on it?
    a. energy absorption capacity
    b. tensile strength
    c. working elongation
    d. any of the above
A

?

61
Q
  1. which of the following would be considered an anchor?
    a. the lowering device or belay
    b. the tree
    c. the carabiners, screw links or shackles
    d. the spiral wraps around the tree
A

?

62
Q
  1. which of the following is the best definition of a controlled descent line?
    a. the rope attached to the traveling block on a speedline to provide braking control for load
    b. the rope that is tip tied to a piece to pull it into the landing zone
    c. the rope that bears the load as a piece is being lowered
    d. none of the above
A

?

63
Q
  1. what are some of the advantages that tree-mounted lowering devices have over trunk wraps?
    a. predictable amount of friction.
    b. reduced wear on the line from abrasion
    c. reduce time between setups
    d. all of above
A

?

64
Q
  1. what is the function of a guide block?
    a. to bring a line into alignment with some other component of the rigging
    b. to transport the load down a speedline .
    c. to suspend the load when chunking down a spar
    d. to server as an attachment point for the climber’s line
A

?

65
Q
  1. the only time a ratcheting lowering device should be operated by one person is when the load line is being tensioned prior to cutting.
    a. true
    b. false
A

?

66
Q
  1. which of the following is the best definition of dynamic loading ?
    a. when a load suddenly come on a slack rope
    b. when a rope is loaded in excess of its safe working load
    c. when mechanical advantage is used to multiply the force exerted against a load .
    d. none of the above
A

?

67
Q
  1. the purpose of a half hitch in the butt hitch on trunk section is to:
    a. increase the “grab” on the piece being lowered
    b. absorb some of the force of the falling piece
    c. shorten the distance that the piece will fall before being caught in the rigging
    d. all the above
A

?

68
Q
  1. Study the diagram above. how much force will a 100 lbs(45.4kg) piece of wood exert on each anchor of a speed-line if the deviation angle is 150 degrees?
    a. 100 lbs(45.4 kg)
    b. 200 lbs(91 kg)
  2. 400 lbs(180kg)
  3. 1,150 lbs(522 kg)
A

?

69
Q
  1. what are the potential advantages of a load transfer line ?
    a. it allows more choice of landing zones.
    b. it servers as a backup if the primary rigging system isn’t strong enough to withstand the forces of the lowering operation .
    c. it transfers part or all of a load to a second lowering line
    d. both a and c
A

?

70
Q
  1. which following are factor that determine the type of rigging you specify in your work plan?
    a. how much the job was bid for
    b. the condition of the tree
    c. the location of potential targets
    d. both b and c
A

?

71
Q
  1. which of the following signs would normally indicate high risk potential for rigging operations?
    a. dead branches that have broken off and” lodged”
    b. a small cavity in a lateral limb
    c. shear crack in a leaning tree
    d. both a. and c.
A

?

72
Q
  1. when a tree is decayed, there is always some external / visible sign.
    a. true
    b. false
A

?

73
Q
  1. which of the following is an acceptable means of attachment for an arborist chucking down a spar?
    a. a safety lanyard and spurs.
    b. a steel core flip line and spurs
    c. a lanyard or flip line with a climbing line and spurs
    d. none of the above
A

?

74
Q
  1. when forming the half hitch to use a natural crotch to lower limb,you most be sure that the load-bearing (working) end of the line is underneath the standing end of the line .
    a. true
    b. false
A

?

75
Q
  1. you want to create a false crotch with a munter hitch belay. which of the following combinations of equipment would you pick?
    a. MR link and single braid lowering line
    b. HMS carabiner and single braid lowering line
    c. MR link and double braid lowering line
    d. HMS carabiner and double braid lowering line
A

?

76
Q

sdad

A

sddsda

Arborist Isa (3 decks)

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