Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
47 Cards in this Set
- Front
- Back
|
At what time interval or under what circumstances should you inspect hooks visually?
|
At the beginning of each workday and before lifting a full-rated load.
|
|
|
Safety in the conduct of rigging operations depends primarily on what factor?
|
Care and common sense of personnel assigned.
|
|
|
Wire rope with what number of (a) strands and (b) wires in each strand is the most flexible?
|
(a) 6 (b) 37
|
|
|
The inspection of wire rope clips at regular intervals should also include what other task?
|
Removing the clips and examining the wire rope.
|
|
|
Of the following areas, which one should be used for storing a line?
|
A dry, unheated building that is well ventilated.
|
|
|
Synthetic-fiber lines are used in the Navy for which of the following reasons?
|
-They are easy to handle.
-They are highly resistant to mildew, rot, and fungus. -They are lightweight and strong. |
|
|
Shackles should replace hooks during what lifting operation?
|
When the loads are too heavy for the hooks to handle.
|
|
|
What is the SWL of a new 2-inch diameter No.1 Manila line?
|
7,750 lbs
|
|
|
What is the most important operational check (inspection) made on hoisting and rigging equipment?
|
Line and rigging
|
|
|
Unlyaing of nonpreformed wire rope is rapid and could cause serious injury.
|
True
|
|
|
What should be done with a hook that has been bent by overloading?
|
Cut it in half and discard it.
|
|
|
The term "whipping" refers to what factor when applied to a line?
|
It prevents strands from unraveling.
|
|
|
What is the purpose of a wire rope thimble in an eye splice?
|
It reduces abrasive wear on the wire rope.
|
|
|
The tension at which the line will part when a load is applied.
|
Breaking Strength.
|
|
|
An endlees sling is frequently used as a choker hitch.
|
True
|
|
|
What advantage does fiber-line slings have over wire-rope or chain slings?
|
They are more flexible and offer protection to finished materials.
|
|
|
The ration between the breaking strength and the safe working load.
|
Safety Factor
|
|
|
The strength of rigging lines depends on what factor(s)?
|
The size, fiber used, and the type of stranding.
|
|
|
What precaution should you take before storing a fiber line?
|
Ensure the line is dry.
|
|
|
A single-leg sling is also known as a?
|
Strap
|
|
|
The load that can be applied without causing damage.
|
Safe Working Load
|
|
|
To ensure an accurate measurement of the diameter of a wire rope, you should measure the wire rope in (a) how many places on six-stranded rope and (b) how many places on eight-stranded rope?
|
(a) Three (b) four
|
|
|
Wire rope consists of what three parts?
|
Wire, strands, and core.
|
|
|
Which of the following is NOT a requirement for performance as a competent signalman for a crane or hoist operation?
|
Assist in operating the equipment, as needed.
|
|
|
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?
|
Below the hook.
|
|
|
Chain slings are desirable for what type of load?
|
Hot and sharp edged loads.
|
|
|
What type of collateral equipment is used to prevent crushing of a load?
|
Spreader bars
|
|
|
Which of the following defects should you look for during a fiber line sling inspection?
|
-Deterioration caused by exposure to the weather.
-Broken fibers. -Cut fibers. |
|
|
The MSDS identifies the type of personnel protective clothing and equipement needed in the case of exposure.
|
True.
|
|
|
Wire-rope slings must be replaced when what percentage of wires are nicked or cut?
|
4 percent
|
|
|
Because gusty wind can affect loading and load-landing operations, you should take which of the following precautions?
|
Avoid handling loads that have large wind-catching surfaces.
|
|
|
The requirement to comply with a foreign country's HM/HW regulations (if more restrictive) is found in what document(s)?
|
Host nation Status of Forces agreement.
|
|
|
Bolts and heavy gauge wire may be used to fasten links of chain together.
|
False.
|
|
|
What is the minimum safe working distance from an energized conductor of 125,000 volts?
|
10 ft
|
|
|
Which of the following components is added to heavy equipment to aid in lifting?
|
Lifting eyes
|
|
|
Chafing gear is used to protect slings that are exposed to sharp edges.
|
True.
|
|
|
What is the most important rigging precaution?
|
To determine the weight of all loads before attempting a lift.
|
|
|
When the distance or atmospheric conditions prevent clear visibility for signaling, what other form of communication should you use?
|
Two-way radio.
|
|
|
Under certain circumstances, it is permissible to ride on a well-rigged load.
|
False.
|
|
|
The battalion air detachment must be capable of deploying within how many hours of notification?
|
48.
|
|
|
Two single slings can be combined to form a longer single sling.
|
True.
|
|
|
OPNAVINST 4110.2 establishes guidance and policy for what subject?
|
Hazardous material control and management.
|
|
|
Of the following OPNAV instructions, which ones cover the use, storage, and disposal of HM?
|
OPNAVINST 4110.2 and 5100.23
|
|
|
What is the primary cause of death for riggers on the job?
|
Electrocution
|
|
|
When the signalman desires to give the equipment operator instructions other than those established beforehand, the operator should perform what action first?
|
Stop all motion of the load.
|
|
|
Why is it important to match sets of slings?
|
So the load strain will be equal and the load will come up evenly.
|
|
|
What type of electrical diagram shows the relationship of major parts of a wiring circuit?
|
Block.
|
