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64 Cards in this Set
- Front
- Back
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Safety in the conduct of rigging operations depends primarily on what factor?
a. size of line used b. type of slings used c. paygrade of thhe supervisor d. care and common sense of personel assigned |
care and common sense of personnel assigned
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What is the most important operational check(inspection) made on hoisting and rigging equipment?
a. crane operation b. line and rigging c. lifting and load d. load only |
line and rigging
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The strength of rigging lines depends on what factor(s)?
a. the manufacturer of the line b. the size, fiber used, and the type of stranding c. tensile strength tests d. lay and resistance to wear |
the size, fiber used, and the type of stranding
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The term "whipping" refers to what factor when applied to a line?
a. it prevents twisting of the line b. it prevents fatigue resistance of the line c. it improves the abrasion resistance of the line d. it prevents strands from unraveling |
it prevents strands from unraveling
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What precaution should you take before storing a fiber line?
a. ensure the line is dry b. use forced rotation to squeeze excess water from the line c. dip the line in an oil lubricant to prevent water damage d. check the core strength by performing a sudden strain test |
ensure the line is dry
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Of the following area, which one should be used for storing a line?
a. a dry, unheated building that is well ventilated b. an air conditioned building c. a heated and unventilated building d. a building with many windows that allows sunlight to enter |
a dry, unheated building thatis well ventilated
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The tension at which the line will part when a load is applied.
a. safe working load b. breaking strength c. free payload strength d. safety factor |
breaking strength
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The load that can be applied without causing damage
a. safe working load b. breaking strength c. free payload strength d. safety factor |
safe working load
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The ratio betwen the breaking strength and the safe working load.
a. safe working load b. breaking strength c. free payload strength d. safety factor |
safety factor
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What is the SWL of a new 2-inch-diameter No. 1 manila line?
a. 3,380lb b. 4,620lb c. 6,625lb d. 7,750lb |
7,750lb
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Synthetic-fiber lines are used in the Navy for which of the following reasons?
a. they are easy to handle b. they are highly resistant to mildew, rot, and fungus c. they are lighht-weight and strong d. all the above |
all the above
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Using the "rule-of-thumb" formula for computing the SWL of synthetic fiber line, determine the SWL of 1" diamter nylon line
a. 3840 b. 4000 c. 4180 d. 4280 |
3840
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Wire rope consists of what three parts?
a. breech, choker hitch, and becket b. choker hitch, fiber line, and spreader bar c. wire, strands and core d. strands, breech, and spreader bars |
wire strands and core
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Unlaying of nonpreformed wire rope is rapid and could cause serious injury.
t/f |
t
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Wire rope with what number of (a) strands and (b) wires in each strand is the most flexible?
a. (a) 6 (b) 19 b. (a) 6 (b) 37 c. 8, 38 d. 8, 41 |
6, 37
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improved plow steel
a. 180000-200000 b. 200000-220000 c. 220000-240000 d. 240000-260000 |
240000-260000
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mid plow steel
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200000-220000
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plow steel
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220000-240000
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To ensure an accurate measurement of the diameter of a wire rope, you should measure the in (a) how many places on six-stranded rope and (b) how many places on eight-stranded rope?
a. 2, 3 b. 3,3 c. 3,4 d. 2,4 |
3,4
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Using the "rule-of-thumb" formula what is the SWL of 3/4" diameter wire rope?
a. 3.2 tons b. 4.5 tons c. 5.3 tons d. 6.4 tons |
4.5 tons
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The inspection of wire rope clips at regular intervals should also include what other task.
a. hitting the clips with a hammer to if the metal will flake b. spraying the clips wiwth paint ot show they have been inspected c. measuring for slippage of clips d. removing the clips and examining the wire rope |
removing the clips and examining the wire rope
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what is the purpose of a wire rope thimble in an eye splice?
a. it reduces abrasive wear on the wire rope b. it increases the distance between the load and the hoist tip c. it speeds up the work d. it is required for hoistiong cylindrical objects |
it reduces abrasive wear on the wire rope
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Shackles should replace hooks during what lifting operation?
a when lifiting a load to an unknown radius b. when lifting a load where personnel may be working or walking under the load c. when the loads are too heavy for the hooks to handle d. when lifting the load in a tight area. |
whe the loads are too heavy for the hooks to handle
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What should be done with a hook that has been bent by overloading?
a. strighten it and put it back in service b. have the safety lcpo approve it for service c. weld additional steel on the sides and place it back in service d. cut it in half and discard it |
cut it in half and discard it
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At what time interval or under what circumstances should you inspect hooks visually?
a. monthly b. after 50hr of service c. at the beginning of each workday and before lifting a full-rated load d. only when the hook is used for clamshell or dragline projects |
at the beginning of each workday and before lifting a full-rated load
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What advantage does fiber-line slings have over wire-rope or chain slings?
a. they are heavier and stronger b. they resist damage from sharp edges c. they are more flexible and offer protection to finished materials d. they require less supporting equipment |
they are more flexible and offer protection to finished materials
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An endless sling is frequently used as a choker hitch.
True or False |
True
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A single-leg sling is also known as a:
a. chocker b. strap c. bridle d. gripp |
strap
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Two single slings can be combined to form a longer single sling.
True or False |
True
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Why is it important to match sets of slings?
a. so the will withstand heavier loads b. so a varied mobile lift within a small working area can be accomplished c. so the load strain will be equal and the load will come up evenly d. all of the above |
so the load strain will be equal and the load will come up evenly
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Which of the following components is added to heavy equipment to aid in lifting?
a. stress bars b. spreader bars c. roll bars d. lifting eyes |
lifting eyes
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Chafing gear is used to protect slings that are exposed to sharp edges.
True or False |
True
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Chain slings are desirable for what type of load?
a. cold loads b. light loads c. nonsharp loads d. hot and sharp edged loads |
hot and sharp edged loads
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When using chain slings, you should ensure what material is in place around the load to provide a gripping surface for the chain?
a. fiber pads b. a composite covering c. wood d. wire mesh |
wood
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Bolts and heavy gauge wire may be used to fasten links of chain together.
True or False |
False
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Which of the following defects should you look for during a fiber-line sling inspection?
a. deterioration caused by exposure to the weather b. broken fibers c. cut fibers d all of the above |
all of the above
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Wire-rope slings must be replaced when what percentage of wires are nicked or cut?
a. 1% b. 2% c. 3% d. 4% |
4%
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What type of collateral equipment is used to prevent crushing of a load?
a. stress slings b. cargo pallets c. spreader bars d. rope slings |
spreader bars
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What is the advantage of using cargo pallets?
a. they make the load easier to move b. they allow single large items to be moved more efficiently c. spreaader bars do not need to be used d single items may be moved piece by piece |
they make the load easier to move
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Which of the following is NOT a requirement for performance as a competent singalman for a crane or hoist operation?
a. be fully qualified with the operation b. ensure the suspended load never passes over anyone c. assist in operationg the equipment, as needed d. wear high visibility gloves |
assist in operating the equipment as needed
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To ensure a load is stable and does not shift, you should rig the load so that its center of gravity is positioned in accordance with what requirement
a. above the hook b. in line with the hook c. either a or b d. below the hook |
either a or b
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When the signalman desires to give the equipmetn operator instructions other than those established beforehand, the operator should perform what action first?
a. stop all motion of the load b. have a runner contact the signalman c. bolw the horn d. raise and lower the load abut 2' in acknowledgement |
stop all motion of the load
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When the distance or atmospheric conditions prevent clear visibility for signaling, what other form of communication should you use?
a. large q cards b. manual morse c. flashing light d. two way radio |
two way radio
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What is the most important rigging precaution?
a. To determine the proper lifting angle b. to determine whether hand signals being used are adequate c. to determine the weight of all loads before attempting a lift d. to ensure the crane can reach the material safely |
to determine the weight of all loads before attempting a lift
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Because gusty wind can affect loading and load-landing operations, you should take which of the following precautions?
a. wrap the load with a wind-reducing material b. avoid handling loads that have large wind-catching surfaces c.add additional tie lines d. use additional tie down ropes |
avoid handling loads that have large wind catching surfaces
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What is the primary cause of death for riggers on the job?
a. electrocution b. falling equipment c. cables that snap |
electrocution
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What is the minimum safe working distance from an energized conductor of 125,000 volts?
a. 10ft b. 15ft c. 20ft d. 25ft |
10ft
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Refer to figure 1-18 in the text
What is wrong with the lifting procedure? a. there is only one tag line b. the hosting lines are plumb c. the hoisting lines are not plumb |
the hoisting lines are plumb
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Under certain circumstances, it is permissible to ride on a well-rigged load.
true or false |
false
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Opnavinst 4110.2 establishes guidance and policy for what subject?
a. safety precautions and programs b. health and physical readiness programs c. hazardous material control and management d. basic skills for job orientation and ojt programs |
hazardous material control and management
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The requirement to comply with a foreign country's HMJHW regulations(if more restrictive) is found in what documents?
a. host nation status of forces agreement b. united states navy hm/hw regulations c. united nations hm/hw regulations d. us osha and epa regulations |
us osha and epa regulations
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Of the following opnav instructions, which ones cover the use, storage, and disposal of HM?
a. opnavinst 1306.1 and 5352.1 b. opnavinst 4110.2 and 5100.23 c. opnavinst 5354.1 and 1160.4 d. opnavinst 5700.7 and 6110.1 |
opnavinst 4110.2 and 5100.23
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The MSDS identifies the type of personnel protective clothing and equipment needed in the case of exposure?
true or false |
true
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The battalion air detachment must be capable of deploying within how many hours of notification?
a. 12 b. 24 c. 48 d. 72 |
48
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A battalion air detachment should have approximately how many members?
a. 75 b. 90 c. 120 d. 160 |
90
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With logistic support intact, an air detachment may operate independently of an NMCB for what total length of time?
a. 1 month b. 6 months c. 12 months d. indefinitley |
one month
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What person assigns members to the air detachment in a battalion?
a. det oic b. ops officer c. compand commander d. executive officer |
ops officer
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The TOA equips the battalion for contingency conditons for a total of how many days?
a. 90 b. 120 c. 180 d. 270 |
90
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What is the (a) lenght and (b) width of a 463L pallet cargo space in inches
a. 104, 84 b. 108, 88 c. 104, 88 d. 108, 84 |
108, 88
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The MOCC is under the direction of what battalion officer?
a. ops officer b. air det oic c. commanding officer d. executive officer |
executive officer
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What is the maximum load capacity of a palletized cargo pallet?
a. 2,900lbs b. 5,000lbs c. 10,000lbs d. 15,000lbs |
10,000lbs
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The construction project platoon is NOT responsible for which of the following tasks?
a. disaster recovery b. rapid runway repairs c. construction of advanced bases d. assigning heavy equipment for use |
assigning heavy equipment for use
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Tool kits should be maintained at what maximum percentage of kit assembly allowance
a. 100% b. 90% c. 80% d. 75% |
100%
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On the jobsite, what person is responsible for tool stowage and security?
a. the project safety petty officer b. crew members c. crew leader d. company chief |
crew leader
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