Overhead Certification of Crane Operators (CCO) Practice Test

These questions are part of the practice quiz. Start practicing

• True or False: An outdoor storage bridge crane must be equipped with a parking brake or rail clamp for use when the crane is sitting idle.
• A slow start and a quick stop of the bridge is the best way to prevent the load from swinging.
• Which term describes very short load movements during hoisting?
• Where should the hook block be positioned for shutdown?
• A double hook is called a sister hook.
• In remote control operation, battery maintenance should occur at the beginning of which period?
• Who can authorize side loading of an overhead crane?
• In wire rope terminology, lay length describes the distance a strand travels around what?
• Keypad Adjustable Frequency Controls are used with what control method?
• Before rigging begins, which rating should be checked to prevent overload?
• The term plugging refers to:
• What is the minimum safety factor for overhead crane wire ropes?
• Under which condition is lifting 125% of rated load allowed?
• Visual inspections of overhead cranes are required on which basis?
• In a critical load situation with a pendant control crane, what procedure should be followed so the operator can keep his eyes on the load?
• Which controller governs the vertical movement of the crane?
• Which statement is true regarding cribbing in lifting over a floor with limited bearing capacity?
• When hoisting, which position of the hoist controller yields the slowest speed?
• Positioning the bridge and trolley over the load for hoisting is called:
• Which device shall be provided for outdoor stored bridge cranes?
• When leaving an overhead crane unattended, how should any attached load be positioned?
• According to ASME B30.2 a frequent inspection must be performed by a
• What is the purpose of the E (Emergency) stop on an overhead crane?
• According to ASME B30.2, the maximum twist of the hook can't exceed?
• Which term describes very short movements during hoisting operations?
• In a repair scenario for a radio controlled crane, which person is responsible for the control box?
• According to OSHA, frequent inspections shall be performed
• When energizing the crane, the controller should be in what position?
• In the event of an emergency, who may give the stop signal?
• Which of the following is NOT a basic component of an overhead crane?
• For long loads, which below-the-hook lifting device is appropriate?
• If the load does not balance after being raised off the floor, what should you do first?
• An object with density 150 pounds per cubic foot and dimensions 5 feet by 3 feet by 2 feet weighs
• According to OSHA, the proper time to check the hoist brake is
• Which device is primarily used to limit the travel of the hoist?
• For overall efficiency a load should be moved with the controller on a continuous intermediate point.
• Before inspecting an overhead crane, which procedure should be used to ensure safety?
• The hoist limit switch operation should be checked.
• Who should be consulted regarding the proper method to remove defective rigging from service?
• What must happen to a transmitter box to avoid injury to personnel working in the vicinity of a remote control crane that is not in use?
• Who may issue the stop signal in an emergency?
• If a floor has a weight limit of 700 pounds per square foot and a load is calculated at 900 pounds per square foot, what action is required?
• Which term describes the condition where the crane girders are not perpendicular to the runway, causing misalignment?
• When preparing to use a remote or radio control device, when should the battery be changed?
• The primary advantage of a cab-controlled crane is a good overall view of the load.
• The purpose of the upper limit switch is to
• A wire rope designated as 6 X 19 has
• Which term designates the maximum load a crane is designed to lift?
• According to ASME B30.2, what is the safety factor for rigging?
• The minimum number of wire rope wraps to remain on the hoist drum may vary and should be determined by the applicable OCHS/OSHA department.
• Before lifting a load, the hoist ropes must be free of kinks and
• Extreme caution should be used when using the hoist for lifting
• Under what circumstances can an overhead crane lift 125% of its rated load?
• The volume of a rectangular block measuring 5 feet long, 3 feet wide, and 2 feet high is which of the following?
• To verify the hoist brake will hold a heavy load, the operator should lift the load a short distance, then stop and check the brake.
• To ensure the hoist brake holds a heavy load, lift a short distance then stop and check.
• Which organization is typically responsible for establishing the maintenance program for overhead cranes?
• When energizing the crane, which state is appropriate for the controller?
• If you observe a defective crane component, who should you report it to?
• According to OSHA, the rated capacity of all overhead cranes shall be
• Before using your hand to steady any load, you should
• ASME B30.2 States that the minimum number of wraps on the hoisting drum should never be less than _________________ unless a lower limit device is provided.
• What is the first step in a daily inspection of an overhead crane?
• From strongest to weakest, which order correctly lists hitch types?
• Which organization is associated with requiring a monthly wire rope inspection in the material?
• According to ASME B30.2, what type of fire extinguisher is required for overhead cranes?
• Which statement best describes the location of the E-stop’s power cut?
• Which of the items listed below is effected most by side loading an overhead crane?
• True or false: Because they are easy to operate, overhead crane operation seldom requires operator certification.
• According to ASME B30.2, an overhead crane equipped with a lower limit device can have how many wraps left on the drum at its lowest point?
• According to OSHA, power supply to the runway shall be controlled by
• For frequent inspections, OSHA describes a range of frequencies as which option?
• If the floor bearing capacity is exceeded, which action should be taken to make the lift safe?
• Which statement about SWL is true?
• The two disadvantages to a cab-controlled crane are possible depth perception difficulties and view obstructions with larger loads.
• A 'mobile straddle lift gantry crane' will run on which of the following?
• What term describes very short load movements during hoisting?
• Which standard applies to overhead cranes?
• If the load becomes unbalanced while lifting, what is the correct action?
• What is the ASME volume that pertains to overhead cranes?
• When choosing sling angles, which range is preferred for a safe lift?
• When using a remote or radio control, it is important to change the battery at the beginning of the
• Before using rigging, the operator should be aware of which rating?
• Which item listed for cranes with more than one hoisting unit is not required according to the material?
• OSHA rated capacity rigging charts are used to determine which of the following?
• An outdoor storage bridge crane, when idle, must be equipped with which device?
• If increasing surface bearing area, what is the effect on floor pressure?
• If the load does not balance properly after being raised, what step should be taken?
• According to OSHA, what type of chain should be used by an overhead crane?
• Which are the three basic components of an overhead crane?
• Which options are described as overload detection methods for overhead cranes?
• Which device provides weather-related information for outdoor crane operations?
• Which statement about keypad adjustable frequency controls is true?
• The working load limit (safety factor) for hoist rope on an overhead crane is typically 5 to 1.
• How often does OSHA require a written wire rope inspection?
• Where should the rated capacity label be located on overhead cranes according to OSHA?
• A swinging load should be controlled by which combination of controllers?
• Monorail and job cranes usually have more lifting capacity than a typical overhead crane.
• When inspecting the electrical connectors on the trolley of an overhead crane, which of the following is cause for concern?
• What position should all controllers be in when energizing?
• What is the term used to describe very short movements during hoisting operations?
• Which term describes the action of centering the bridge and trolley over the load before hoisting?
• True or false: If a radio controlled crane fails to operate properly, all movements must stop immediately and the master switch be turned off.
• The first position of the hoist controller yields the slowest hoisting speed.
• In overhead crane design, which statement is true?
• Long load should be handled by which of these below the hook lifting devices?
• Which OSHA regulation provides information about hoisting slings?
• Who should establish a maintenance program for an overhead crane?
• According to ASME, warning signals shall be given when
• Which ASME standard covers below-the-hook lifting devices?
• Before leaving a crane cab unattended, any load shall be
• What is the purpose of a hoist limit switch?
• In a 6x19 wire rope, how many strands does it have?
• Which of the following best describes the relationship between the components Bridge, Trolley and Hoist?
• A crane operating continuously at high speeds with capacity loads would most likely be of what "class"?
• Two overload detection methods for overhead cranes are a dynamometer attached to the crane hook or an in-cab computerized digital readout.
• What is the purpose of a restraining cord used on the pendant control box of an overhead crane?
• What is the purpose of the upper limit switch (the one required by OSHA)?
• A disadvantage of a Keypad Adjustable Frequency control is that it cannot be programmed for soft start or stop.
• As cab operation can move only two control handles at once, one hand should always be on which controller?
• Which of the following is a hazardous practice when using a magnet for hoisting?
• Crane with a dynamic lowering system allows a light load to move while a heavy load is held back.
• A double hook is called a sister hook.
• What method helps prevent shock loading of rigging equipment during lifting?
• OSHA requires frequent inspections to be performed at what interval range?
• What precaution should be observed when using 3 and 4 legged bridles?
• In wire rope terminology, lay length is defined as which of the following?
• Overhead cranes may be modified provided they are checked thoroughly by a
• All overhead cranes should have a visual inspection on what basis?
• The plugging operation is best achieved on controller points 3 and 4.
• Which control operation is used for floor operated overhead cranes?
• What are the runways on which the crane travels called?
• Which regulation applies to overhead cranes?
• What is the recommended action if the load is not balanced after raising?
• As per ASME B30.2, which option best describes the removal criteria for regular lay wire rope?
• Which organization publishes the B30 standards for overhead cranes?
• A object with density 150 lb per cubic foot and dimensions 4 ft by 3 ft by 3 ft weighs approximately
• For 3- and 4-legged bridles, which statement about load distribution is correct?
• Which standard is cited for the removal criteria of regular lay wire rope?
• After a modification, which professional should thoroughly check the crane?
• What should you do when the hook or load is moving above personnel?
• When loss of power occurs, the crane operator should
• Cranes shall not be used for side pulls unless:
• Overhead cranes should be parked in which location?
• Before making a lift the operator must first determine
• Most loads should be rigged to within how many degrees of level?
• If you adjust the spreader to a smaller angle, what happens to the tension on the load?
• Overhead crane hooks do not require a safety latch.
• According to OSHA, the maximum hook throat opening must not exceed
• All hooks should come equipped with a
• Which controller handles vertical motion of the crane?
• ASME B30 standards are designed to
• According to OSHA, the operator shall not hoist loads above
• Before leaving the crane cab unattended, what should be done with the load?
• When hoisting, which position of the hoist controller will result in the slowest speed?
• Which statement about cab-controlled cranes is true?
• If a 900-pound load is spread over 1 square foot of bearing area, the pressure on the floor is which value?
• The hoist limit switch also helps prevent what condition?
• Older remote controls are sometimes dangerous because of which issue?
• Which standard addresses below-the-hook lifting devices in crane equipment?
• When given the signal for bridge travel, what action should the crane operator perform?
• Older types of remote controls can be dangerous for what reason?
• In cranes with a dynamic lowering system, a light load is allowed to move while a heavy load is held back.
• What process must be followed prior to inspecting an overhead crane?
• Which device is primarily responsible for controlling the vertical lift of the load on an overhead crane?
• An object weighs 150 lbs per cubic foot and measures 4 ft X 3 ft X 3 ft, what is its weight?
• The vertical movement of an overhead crane is controlled by the
• If a rigging system must meet a five-to-one safety factor, how many times the rated load can the rigging safely handle?
• During a critical load hoist with pendant control, which practice helps keep eyes on the load?
• What is the first step in the daily crane inspection?
• When should shift inspection of below the hook devices be performed?
• By order of hitch strength, which hitch is correct?
• In the context of remote control usage, when should you replace the battery?
• In a 6x19 rope, how many wires are there per strand?
• A rectangular block measuring 5 ft by 3 ft by 2 ft has a volume of 30 cubic feet. Which statement is true?
• Swinging loads can be controlled by which of the following controls?
• Where is the best place to park an overhead crane?
• The 6 x 37 wire rope classification has good flexibility and is generally suitable for use on overhead cranes.
• A 'mobile straddle lift gantry crane' is usually used for what purpose?
• The restraining cord on the pendant control box serves primarily to prevent what?
• For overhead cranes with more than one hoisting unit, which feature is required?
• If rigging equipment is defective, what step should be taken?
• Where should the rated load be marked on a crane with multiple hoisting units?
• When a crew is repairing a radio controlled crane, who is responsible for the control box?
• For shutdown procedures, the hook block should be placed near the
• The upper limit switch of all overhead cranes shall be tested every
• What is the safe working load (SWL) of a wire rope defined as?
• What should be done with an unbalanced load?
• Which option is not used to control swinging loads?
• When slowing or stopping cab-controlled cane bridge or trolley with reverse power (when the crane controls are designed for this purpose), the movement is called:
• When any machinery or apparatus is found to be defective or inoperative on the crane, the person discovering this condition should
• When making a lift, where should the load block be positioned?
• When making a lift, what position should the trolley be in?
• When operating a radio controlled crane, the operator must never operate the crane:
• How many cubic feet is in a rectangular object that measures 5 ft X 3 ft X 2 ft?
• A condition caused by rough operation whereby the crane girders are not perpendicular to the runway resulting in one end being ahead of the other is called:
• Which regulation is cited as applying to overhead cranes in the provided material?
• Who is authorized to approve side loading of an overhead crane?
• For a swinging load, which pair of controls governs it?
• According to OSHA, how many wraps must be left on the hoist drum of an overhead crane with the hook at its lowest position?
• When inspecting electrical contacts, what are the signs they are bad?
• Which rigging hardware should be used to connect both ends of a sling into a hook or when more than one sling attaches to a single hook?
• On 3rd point hoisting, the load will increase in speed for light loads and start to move with heavy loads.
• Before energizing the crane, which position minimizes unintended movement?
• Who must thoroughly check a crane after it has been modified and re-rated?
• Which item must be marked on all overhead cranes?
• True or false: All cab operated cranes should be stopped by using the same basic operating method.
• When attaching spreaders to any load, you must keep in mind that
• The hoist limit switch controls the upper limit of which crane component?
• Whose responsibility is it to select the proper rigging equipment?