Air Force Crane Course Practice Test

These questions are part of the practice quiz. Start practicing

• What are the general differences between a mobile crane and a fixed crane in terms of operation and limitations?
• Before lifting, which information should be reviewed to ensure safe operation?
• Periodic inspections may be scheduled monthly, quarterly, or annually and may exceed annual frequency.
• Which statement correctly reflects what the rated capacity of a sling depends on?
• When packing the crane there are five steps, the first step is to...
• Which part of the crane houses the operator's controls and offers partial weather protection?
• Hooks must not have throat openings more than what percent greater than normal?
• What is the importance of maintaining surface cleanliness around the crane operation area?
• The wheels of the crane should be lifted off the ground with a preferred clearance of how many inches?
• What is the purpose of posting a secured area and warning notices after crane operations?
• The boom swing lever is normally used to swing the boom in either direction.
• Inducing a load that is to either side of the boom and not centered under it creates?
• What is the role of a spotter when crane operations occur near hazards?
• In the crane's electrical system, which component charges the battery?
• Which item is used to distribute load away from the edge when sling loads pass over edges?
• Which standard establishes the Air Force's minimum safety, fire protection, and occupational health criteria for manual and powered material handling equipment?
• How many acceptable means are there of estimating the weight of a load?
• Which items are checked during the daily pre-operational inspection of a mobile crane?
• How many types of synthetic fiber line and wire rope slings are commonly used?
• Power lines are the number one cause of crane related deaths.
• When using a chain for a lift, what should be identified on the tag?
• After completing the crane function check, what must you accomplish?
• There is a 30% loss in charted capacity with only how many degrees off level?
• How many steps are there to properly configure a crane?
• How many rules are there that you need to follow when working around or near power lines?
• How is the crane's safe working load determined for a given lift?
• The angle of deflection of a loaded boom from the horizontal plane and measured from the base of the boom is referred to as?
• Under which condition is it permissible to move a crane boom or load into the area surrounding a power line?
• When positioning a crane near overhead lines, which practice is essential to prevent contact?
• If a defect is found during pre-operational inspection, you should:
• What is the purpose of exclusion zones in crane operations?
• What action should you take if wind gusts exceed policy during a lift?
• What should you check when inspecting a crane's hydraulic hoses for damage?
• What are common signs of rigging failure and the actions to take?
• When lifting loads with sharp edges, how should edge protection be used?
• Structural capacity is the amount of weight a crane can support before it reaches what?
• The most unpredictable safety factor is?
• Which of the following conditions is NOT monitored by the Load Moment Indicator (LMI)?
• What is the purpose of load indicator devices and how do they function?
• In the event of an emergency, it is possible to replace the shackle pin with a bolt?
• How should rigging hardware be selected for a lift (sling type, rated capacity, and compatibility)?
• Which term refers to the rotating platform that supports the boom and counterweight assembly?
• Before lifting, which activity helps ensure job safety and proper rigging?
• Wire rope is designated by its diameter in which unit?
• On a lifting chain, the tag should identify the Rated Load. Which detail is specified to ensure safe use?
• What is created when the tires are allowed to touch the ground during crane lifting operations?
• What is the purpose of the safety latch on hooks?
• What is the recommended action if a piece of safety equipment is damaged?
• The factor by which a mechanism such as a pulley system multiplies the force or torque applied to it is called
• What is the difference between a chokers hitch and a straight hitch and when to use each?
• In an emergency, replacing a shackle pin with a bolt is allowed?
• The Center of Balance is always directly ______ the center of gravity.
• If the operator must leave the machine due to a fire or dangerous situation, which action should be taken?
• Which statement correctly differentiates dynamic lifts from static lifts?
• How does load weight relate to the crane's load moment capacity and why is balance important?
• How do proper rigging and balance contribute to preventing tipping during a lift?
• What is the role of a spotter during a crane lift?
• Which factor determines if a lift is considered critical?
• In crane operations, what is the role of a designated signal person and standard protocols?
• Periodic inspections may be regularly scheduled on a monthly, quarterly, or annual basis and may exceed annually. True or False?
• A hitch refers to the way in which a sling is utilized to lift a load.
• What is the gross load?
• What is a two-block condition in crane operation?
• How do you perform post-lift inspections and secure equipment after a lift?
• The 6x19 and 6x37 are the two main type of wire ropes used.
• When is the proper time to handle power line problems?
• How do you read a load chart for a mobile crane to determine allowable load at a given radius and boom length?
• During the five-step packing process for the crane, the initial action is to completely retract the boom.
• Before lifting the crane, within how many degrees must it be leveled?
• Edge protection is used to prevent what when passing loads over edges?
• What actions are included in post-lift documentation and securing of equipment?
• The process to configure a crane comprises how many steps?
• The mechanical advantage is represented by which formula?
• Who can give the emergency stop signal?
• For leveling beyond the cabin bubble level indicator, which carpenter level length is recommended?
• Which components should be inspected for wear before a lift?
• Boom height represents...
• What are the key components of an effective lift plan?
• Twisted off-center from the longitudinal axis by more than what percent?
• When and how should you use a sling leg to balance a load?
• What is the purpose of exclusion zones around a suspended load?
• For leveling, which statement is true?
• Who has the say in whether or not a lift is made?
• How do you recognize and mitigate electrical hazards from overhead power lines during lifts?
• What factors influence crane stability on soft or uneven ground?
• If a hook block shows deformation or damage, what action should be taken?
• Which element is addressed by a lift plan to account for environmental conditions?
• What is the mounting point for the boom and counter weight assembly?
• Which hitch uses a single point for a straight lift?
• If the load weight approaches rated capacity, what action should you take?
• The SWL or safe working load of a wire can be downgraded due to being old, worn, or in poor condition.
• Which device should be used to alert nearby workers of danger?
• When a load indicator alarm triggers, what should the operator do?
• How should weather-induced wind gusts be handled during crane operations?
• What ground conditions require outrigger mats or cribbing?
• Which of the following is a main type of wire rope used in cranes?
• Which practice helps prevent struck-by injuries when cranes operate near personnel?
• The boom crowd lever can be operated with a loaded boom.
• What is the first step in determining the weight each sling leg must carry?
• What is the minimum distance, in feet, that must be maintained between the rotating counterweight and obstacles around the crane?
• What are the basic signalman responsibilities and when should they communicate with the operator?
• How should you store and count rigging gear to prevent loss or damage?
• Which term describes the point at which the entire weight of an object can be considered to act?
• How do you determine if load weight estimation is acceptable if you don’t have a scale?
• In a Lift Plan, which element ensures coordination among personnel?
• What are the required personal protective equipment (PPE) for crane operations in the AF setting?
• What is the purpose of a tag line during lifting operations?
• What path should be maintained to prevent helicopter-related hazards around crane operations?
• What should be considered in a weather-related lift plan?
• What is the purpose of the counterweight in lifting operations?
• Which description identifies the STOP hand signal?
• The reservoirs are normally located on which side of the crane?
• What provides limited shelter from the elements for the operator as well as a location for controls?
• If weather conditions exceed policy or rated capacity, what action should be taken?
• What is the role of the incident/operations commander during crane lifts?
• How should you coordinate multiple lifting teams or cranes on the same site?
• What is the role of the Crane Operator and what authority do they have for stopping a lift?
• Who should have a common lift plan?
• It is strictly forbidden to move any crane boom, load line, or load into this area unless the power line has been deenergized.
• The spotter must be in clear sight of the operator at all times. True or False?
• Which device is used to create a defined eye in a wire rope?
• What steps are taken to perform a safe shutdown and secure a crane after operations?
• Why must the center of gravity be maintained within the crane's working envelope?
• Spreader bars are long bars or pipes with eyes at their ends. This statement is...
• The carrier is defined as which portion of the crane?
• If cribbing is used for lifting, how many times larger must it be than the jack pad?
• For leveling purposes, the carpenter level length used beyond the cabin bubble level indicator is what?
• How many steps are required to perform the crane function check?
• Which item is not typically included in a Lift Plan?
• How do you handle a damaged or defective rigging item (discard, tag out, isolate)?
• Which component is used to connect the load to the lifting system in rigging setups?
• What is used to attach dead ends of wire ropes?
• What assembly is the ballast which allows you to lift high loads over a long distances?
• What safety system senses and alerts the operator to imminent danger from overload, angles, radius, and two-block conditions?
• What safety device is used by the operator to warn others of danger, or signal the spotter?
• What are the consequences of exceeding crane rated capacity during a lift?
• Which is a contingency action included in a Lift Plan?
• On cranes, reservoirs are typically located on which side?
• Which distance measurement identifies the distance from the boom hinge to the tip sheave pin?
• What is the procedure for a near-miss reporting and investigation in AF crane operations?
• What should be done before any lift is accomplished?
• What is the center of gravity?
• What steps are involved in confirming a safe lift plan before starting operations?
• Structural capacity is the load a crane can support before reaching which point?
• Which term describes the portion of the crane that houses the operator and machinery?
• What is the role of a spotter during lifts near overhead lines?
• Under what conditions should a lift be halted due to hazards?
• Why is proper cribbing and matting important for crane operations on uneven ground?
• During cribbing setup for a lift, the cribbing must be at least how many times larger than the jack pad?
• Who should perform the proper programming of the crane configuration to ensure correct rating?
• What is the term for the maximum load a crane can support before it reaches the physical breaking point of its components?
• The proper programming of the crane configuration must be performed by the operator to prevent incorrect rating conditions. True or False?
• What is anti-two block and why is it necessary?
• How many spotters can be used at a time?
• What are the primary hazards of a suspended load and how can you mitigate them?
• The operating radius is defined as...
• Which factors determine the sling's rated capacity?
• Proper tire inflation is crucial to prevent accidents due to the size of the tire and ______ placed upon them.
• Which component is used to connect the load to the crane's lifting system in rigging setups?
• All hooks must be equipped with an effective positive _____________?
• What are the environmental considerations for crane operations (dust, mud, water, temperature)?
• Which steps are included in securing and tagging out a crane for maintenance?
• Load capacities should be reduced when wind speeds reach ______ mph and lifting in wind velocities over ______ mph?
• What causes 60% of crane tip-over accidents?
• Surrounding every power line is referred to as the?
• The distance measured from the center of the boom hinge pin to the center of the boom tip sheave pin is called what?
• Which statement best describes the visibility requirement for the spotter during crane operations?
• LAY refers to what when considering wire ropes?
• If a crane is off level by 1 degree, what percent loss occurs in charted capacity?
• Which option correctly represents the mechanical advantage formula?
• The Load Moment Indicator (LMI) primarily provides protection by doing what?
• What is the eye made in a wire rope called?
• Structural Capacity is defined as the maximum load a crane can support before what occurs?
• What is the first action when a load swings uncontrollably during lift?
• What is a load path and why must it remain uninterrupted from the load to the ground?
• What maintenance tasks should be performed after a lift on the crane?
• Spreader bars are long bars or pipes with eyes fastened to each end.
• What are the two main components of the electrical system?
• Which condition requires retirement of the sling or chain from service before use?
• During setup on uneven ground, what practice helps maintain level and stability?