Tower Crane Exam Study Guide (New 2026/2027 Updated) | Comprehensive Questions & Answers | 100% Correct |

Tower Crane Exam Study Guide (New 2026/2027 Updated) | Comprehensive Questions & Answers | 100% Correct | Q. What do The Work at Height Regulations require of crane operations? ANSWER Control measures in place to reduce the risk of falling. Q. What is the difference between a contract lift and a 'standard' crane hire? ANSWER CONTRACT LIFT: Crane company plan and supervise the lift STANDARD CRANE HIRE: Work to hirers company lift plan. Q. At the end of the shift: a) in what position should jibs and trolleys be left in and b) why? ANSWER a) In the position specified by the manufacturer (varies from crane to crane) b) To ensure the tower crane is balanced and able to free-slew correctly, avoiding any pinch points on the slew ring. Q. On a busy construction site, how would the slinger/signaller be identified to the crane operator? ANSWER By the PPE that they're wearing. Q. What is jib deflection and when does it occur? ANSWER Bend/sag in the jib happens when lifting heavy loads. Q. If a load of 20 tonnes is lifted on four falls or lines of rope, what is the tension in each fall or line? ANSWER 5 tonnes (20/4) Q. State the functions or job role of the following personnel: a) Appointed Person b) Crane Supervisor c) Slinger d) Signaller. ANSWER a) -Overall planning and reviewing of lift plans -Production of risk assessments. -Leading team and making appointments. -Ensuring examinations and inspections are carried out. b) -Supervising to ensure method statements are being followed and that work is being carried out safely and efficiently. c) Setting up and operating crane to given instruction. d) Attaching and detaching loads and signalling and communicating with crane operator. Q. Using the Operator's Manual or other, state the maximum wind speed the crane may be operated in. Note: The Operator's Manual for the machine being used for the test MUST be available for reference by the candidate. ANSWER c.45mph Q. At the end of the shift: a) how should cab cleanliness be maintained and b) explain why? ANSWER a) Take your rubbish with you at the end of the day. b) For the comfort and hygiene of yourself and other crane drivers. a) What is meant by the lifting capacity of the crane and b) who determines it? ANSWER a) The maximum a crane can lift depending on the configuration. b) The manufacturer Q. If fitted, what is the purpose of the flags situated on the jib? ANSWER To show the radius of the crane and safe working load at that position of the jib. Q. If the words STOP NOW are given to the crane operator by radio during the lift, what action must the operator take? ANSWER Stop control of crane in a controlled and safe manner. Q. If assisting in erecting a tower crane, why is it important that the manufacturer's procedures are followed precisely? ANSWER To avoid accident, incidents or damage to the crane. Q. When should maximum permissible wind speeds be reduced? ANSWER *The wind speeds should be reduced in accordance with the planning stage calculations carried out by the Appointed Person. Q. A crane has been erected on site. What must take place before any site lifting takes place? ANSWER The crane must be inspected by an authorised competent person. Q. If facing the crane whilst using the remote unit what can happen? ANSWER The Controls on the handset will be reversed, therefore the crane may be operated in the wrong direction. Q. When can you use the high speed hoist? ANSWER *When it is safe to do so and the load being lifted does not exceed the SWL (Safe Working Load). Q. Apart from lifting using the hook, what other type of work can Tower cranes undertake? ANSWER Pouring concrete to create walls; unloading lorries; lifting people to conduct surveys. (All lifting). Q. Describe the THREE main types of tower crane base options ANSWER 1) Expendable Base/Cast In Base - 4 Anchor points are cast into a reinforced concrete foundation. The Base of the Tower Crane is then bolted to those anchor points. 2) Cruciform Base - The base of the Tower Crane is mounted on a cross shaped structure, which looks like four legs, with feet at each corner. The crane is held into position with large concrete blocks being placed on the legs. These concrete blocks are known as base ballast. 3) Rail Mounted Base - Similar structure to a Cruciform Base, but attached to a railway line. Q. The lifting plan will specify a minimum distance that your jib must be kept away from overhead electricity lines/pylons. a) Explain why your jib must be kept away and b) what are the consequences of coming in to contact with the lines/pylons? ANSWER a) The minimum distance is determined by the voltage of the over head electricity lines. b) Electricity can ARC and jump across gaps potentially leading to serious injury or death. Q. What prevents the hook block from contacting the jib pulley? ANSWER The cut out/limit switch. Q. What is the purpose of counterweight(s) on the crane? ANSWER Reduces the over turning effect and counters deflection at higher heights. Q. If a load is lifted up and the hook block is not above the centre of the load what can happen? ANSWER The load will be lifted at an angle. Q. If setting up to lift loads near a pedestrianised area, what main factor needs to be taken into account? ANSWER The segregation of pedestrians from overhead loads using barriers, exclusion zones and other resources. Q. Why would hard hats (head protection) be needed when climbing a tower crane? ANSWER To protect from falling objects and bangs to the head. Q. Which parts of the crane is the radius (for lifting) measured from? ANSWER Centre of slew ring to the centre of the hook. Q. What is the main purpose of the Rated Capacity Indicator (RCI)? ANSWER To warn the crane operator when the load lifted is exceeding the crane manufacturer's suggested lifting capacity. Q. The operator has to use a new model of tower crane that they are unfamiliar with. What do Regulations (i.e. LOLER 98) and other guidance require the operator to have? ANSWER Make sure that you have the correct training, information and instructions. Q. If a load is slewed too fast what TWO factors must the operator (and signaller) take into account? ANSWER 1) Time and distance to stop. 2) Excessive swing, snatching and shock loading. Q. Why are some tower cranes rail mounted? ANSWER So that they can cover a larger working area. Q. Two cranes are working in the same vicinity that encroach the operating radius of each. What actions would the lift plan or method statement normally specify? ANSWER Method statement/lift plan would need to specify limits on slewing. (requires good communication between signaller and operator) Q. What THREE main duties of The Health and Safety at Work Act must employees follow? ANSWER 1) Take care of ourselves and others. 2) Cooperate with employer. 3) Do not recklessly or deliberately interfere with health and safety issues. Q. Name FOUR different types or levels of disciplinary actions or sanctions that can be applied (by employers and judicial bodies) to operators of plant who do not comply with, or follow legislation and regulations. ANSWER 1) Verbal warning 2) Written warning. 3) Dismissal. 4) Prosecution. Q. Name THREE ways in which wind speed can affect the lifting operation. ANSWER 1) Increase/decrease slewing speed. 2) Creates load swing (can put load outside of radius) 3) Can stop lifting operations. Q. When a crane is sent out on hire what condition must the crane be in? ANSWER - In a condition that is safe to use - Properly maintained and certified - Fit for purpose - Supplied with specific information provided with the crane including instructions on how to operate it safely What is the meaning of this hand signal (being demonstrated by the Tester)? What do the words SWL, as stamped on lifting accessories, signify? Safe Working Loads (SWL) If the hook block inadvertently (accidentally) lands, what course of action should be taken? 1) Hook block checked for damage 2) Check rope alignment 3) Check crane drum for rope crossover 4) Find out why it happened. When slewing with a load, where should the operator be looking? Operator should be looking ahead of the load. Why should tools and spare components not be left lying on the decks or landings? Prevents trips, slips and falls. Why would a load require netting? As a safety precaution a loose, bundled type load should have netting attached to catch any falling debris. Why should luffing jibs be placed in the correct out-of-service position at the end of the working day? The out of service position ensures that the Tower Crane is balanced and able to free-slew correctly. *During a rest break, or leaving the crane for a short period, what action should be taken for the control box? *The Manufacture's guidance should be followed, this will involve putting the crane in the out of service position switching off at the control box for the duration fo the break. a) When is a trial lift carried out and b) name THREE checks to be made? a) Before every lift. b) - Load is level - Load equally supported. - Load is secure. - Lifting accessories attached properly The safe working load or working load limit (SWL/WLL) of a multi-leg chain sling only applies in what TWO conditions or configuration? 1) Each leg is equally loaded 2) Within 90° of each other (45° from vertical) If a load of 8 tonnes is lifted on two falls or lines of rope, what is the tension in each fall or line? 4 tonnes (8/2) The number of falls has been changed on the hook block. How has this action affected the RCI? It has changed the lifting capacity of the crane, The RCI needs to be adjusted. If you are using radios for communication name FIVE checks you must complete before you start lifting? 1) Check batteries (carry spares) 2) Check radios are working 3) Set to the correct channel 4) Make sure it is UHF/VHF licensed 5) Check signal strength What makes up the total (or gross) weight of a load that is to be lifted? 1) Load itself 2) Hook Block 3) Lifting Accessories What are the THREE actions or stages that a crane operator should undertake during pre-use inspections? 1) Check Manufacturers recommendations. 2) Check base of crane for the load radius diagram to check for information on SWL (Safe Working Load) at different radius and different configurations of rope/falls. 3) Check operations manual. During the lifting operation, part of the task cannot be carried out as detailed in the lift plan. a) What initially must happen to the lifting operation and b) who authorises any changes? a) Work must STOP b) Appointed Person Wind speeds can be variable throughout the working day. What action must be taken to ensure safe working conditions are maintained? Lift loads carefully and check wind speeds regularly with the Anemometer. Name TWO ways that wet weather can affect lifting operations. 1) Loads can become heavier (porous materials like sand) 2) Reduced visibility What is meant by a floor-climbing tower crane? As the construction progresses, the crane gets up and has no connection to the ground anymore. So, it climbs up the concrete walls or floors of the structure as the construction advances, usually mounted in a lift shaft. *While lifting loads on site what main factor needs to be taken into account? *Achieving Health & Safety Requirements through compliance with the Method Statement & Manufacturer's Guidelines. *What checks should be made to the transmitter of a remote-controlled tower crane before work? *Check for correct functioning of controls and safety devices as per the user manual. 1) Confirm whether the battery power supply is normal. 2) Check whether the battery model and installation direction are correct. 3) Check the installation direction of the battery box. 4) Check the battery level of the crane remote control. 5) Check whether the connection between the battery box and the circuit board is open. 6) Confirm whether the micro-processing control unit is faulty. If a load is slewed rather quickly, what TWO initial effects does it have on the load whilst slewing? 1) The Load will drag behind, or follow the jib. 2) Forces will cause outwardly swing, increasing radius. When erecting tower cranes how many times should bolts be reused? only once Certification Requirement Most areas in US and Canada require certification. what is used to adjust the jib for proper inclination and eliminate jib twist? Turnbuckles 3 multiple choice options Which of the following OSHA regulations govern suspended personnel platforms? OSHA 1926.1431 3 multiple choice options According to ASME B30.3, the prohibited zone for power lines that are 60 kV is: 15 ft 3 multiple choice options According to ASME B30.3, load hoist rotation resistant wire rope has a design factor of: 5 to 1 3 multiple choice options According to OSHA Subpart CC, when lifting a suspended personnel platform the design factor for the rigging hardware is: 10 to 1 3 multiple choice options According to ASME B30.3, load hoist ropes that are not rotation resistant must have a design factor of: 5 to 1 3 multiple choice options The OSHA Construction Standard for rigging equipment is: 1926.251 3 multiple choice options According to ASME B30.3, on who's recommendations should a preventative maintenance program be set up? Crane Manufacturer 3 multiple choice options When using cable or nylon spreaders it is important to remember: The lower the spreader angle the greater the tension 3 multiple choice options According to OSHA, when testing a man basket how long must the proof test be maintained? 5 minutes 3 multiple choice options According to ASME B30.3, What is the minimum pitch diameter for load hoist sheaves? Not less than 18 times rope diameter 3 multiple choice options According to ASME B30.3, What is the minimum pitch diameter for load block sheaves? Not less than 18 times rope diameter 3 multiple choice options According to ASME B30.3, What is the minimum pitch diameter for luffing boom hoist sheaves? Not less than 15 times rope diameter 3 multiple choice options According to OSHA, When lifting personnel the crane hook must be the type that: Can be closed and locked 3 multiple choice options According to OSHA, When working over water with a man basket are the people inside required to wear a belt/harness? No belt or harness required 3 multiple choice options According to ASME B30.3, When working near power lines where should durable signs be installed? At operators station and at the base of the crane 3 multiple choice options According to ASME B30.3, a frequent inspection is: Prior to use each day 3 multiple choice options According to ASME B30.3, A major inspection is: Conducted at 60 month intervals 3 multiple choice options When shall periodic inspections be conducted according to ASME? Annually 3 multiple choice options Prior to being erected tower cranes shall undergo a: Periodic or major inspection 3 multiple choice options When hoisting personnel, the platform must be inspected ____________? By a competent person, and prior to each lift 3 multiple choice options Crane hooks must not be wore or have a reduction of _____ from original dimensions 10% 3 multiple choice options Crane hook throat opening must not exceed _____ from original dimensions: 5% 3 multiple choice options By order of strength, which is the correct answer? Basket, Vertical, Choker 3 multiple choice options According to ASME B30.3, you should always have at least how many wraps on a hoist drum? 3 3 multiple choice options What is the minimum allowable distance from the crane and power lines under 50kV? 10 ft 3 multiple choice options According to ASME b30.3, How many randomly broken wires must there be to remove a running wire rope from service? 12 3 multiple choice options According to ASME B30.3, When working near power lines when is a signal person required? When crane moves within a boom or jibs length of table 3-3.4.3-1 limits 3 multiple choice options According to OSHA, after the crane has been checked out and before personnel lift operations begin the crew should: Have a pre-lift meeting 3 multiple choice options What is the minimum clearance distance when working around 1150kV power lines? Is established by the utility owner 3 multiple choice options When should a tagline be used? When swinging on the load is hazardous 3 multiple choice options What is the design factor for a luffing boom hoist rope? 3.5 3 multiple choice options How many broken wires must be present in one strand of one lay for running wire rope to be removed from service? 4 3 multiple choice options What is the maximum wind speed when raising or climbing a tower? 20 mph 3 multiple choice options According to ASME B30.3, A crane should be plumbed to a tolerance Specified by manufacturer 3 multiple choice options According to ASME B30.3, no cranes shall be loaded beyond the rated loads given in the load charts except: For test purposes 3 multiple choice options According to ASME B30.3, an overhead power line is ALWAYS considered to be: Energized until the power company has verified it is not energized 3 multiple choice options High-tensile bolts shall be marked with manufacturer's designation and: Strength rating 3 multiple choice options Bolt connections for tower sections must use high-tensile strength nuts with ratings of 10 or 12 3 multiple choice options Washers used in high-tensile bolt connections shall be marked with: HV 3 multiple choice options Before installation high-tensile bolt connection components shall be cleaned and visually examined for: Damage and corrosion 3 multiple choice options When ready to torque the nut on a high-tensile bolt connection you should: Lubricate threads and contact face of nut 3 multiple choice options During tightening of high-tensile connections the bolt is stretched to a specific percentage of its elastic limit at the correct: Torque 3 multiple choice options Preferably the tightening torque shall be applied to the: Nut 3 multiple choice options The tightening torque values placed on the nuts and bolts of high-tensile bolt connection are dependent on the: Type and size 3 multiple choice options What component of a tower crane are connected with the high-tensile bolt connections? Foundation anchors, tower sections, Slewing ring support 3 multiple choice options Tower base bolts shall be torqued in accordance to the: Crane manufacturer 3 multiple choice options What is the proper installation procedure when installing the counterweight blocks on the counter jib? Start at the rear farthest point from the crane tower 3 multiple choice options According to the NCCCO Tower Crane Reference Manual, what items should be part of the operators daily pre-check? Wire ropes, limit switches 3 multiple choice options According to the NCCCO Tower Crane Reference Manual, how many safety turns (wraps) must be left on the hoist drum when the load hook is in it's lowest position? 3 3 multiple choice options According to the NCCCO Tower Crane Reference Manual, when possible, installing the hoist wire rope on a tower crane, you should wind the rope with approximately how much of the maximum permissible load? 10% 3 multiple choice options According to ASME B30.3, What is the design factor for rotation resistant load hoist wire rope? 5 to 1 3 multiple choice options Who determines the correct hoist wire rope to be installed on tower cranes? Manufacturer 3 multiple choice options What grade alloy steel chain should be used for crane hoisting slings? 80 3 multiple choice options According to ASME B30.3, using rotation resistant running rope on a tower crane, how many broken wires in six rope diameters can you have and leave it in service? 1 3 multiple choice options According to ASME B30.3, a periodic inspection of a tower cranes wire rope shall be performed at least? Annually 3 multiple choice options According to ASME B30.3, which rope inspection doesn't require records to be kept? Frequent 1 multiple choice option Wire rope lubricant is very important. It should be applied according to whose recomendations? Manufacturer 3 multiple choice options When you have core failure in wire rope, a common result is? Reduction in diameter 3 multiple choice options According to OSHA Subpart CC, who is responsible for machinery and equipment inspections before each use? Competent person 3 multiple choice options Where should the hydraulic top climbing unit be positioned before operating crane at maximum tower configuration? Uppermost tie in position 3 multiple choice options When is it permitted to shift the hoist gear of a tower crane? Neutral gear 3 multiple choice options According to ASME B30.3 an overhead power line is ALWAYS considered to be: Energized until the power company has verified it is not energized. 3 multiple choice options According to ASME b30.3, maintenance personnel are permitted to operate a crane only when: Performing their duties 3 multiple choice options According to ASME B30.3, who should be present when telescoping or climbing operations begin? A supervisor and a competent person 3 multiple choice options According to OSHA Subpart CC, when a wire rope bridle is used to connect the personnel platform to the load line, each bridle leg shall be connected to a: Master link 3 multiple choice options Hand signals to a construction tower crane operator shall be those prescribed by: ASME B30.3 3 multiple choice options According to OSHA Subpart CC, what shall be provided at both ends of travel of the trolley? Trolley end stops 3 multiple choice options According to ASME B30.3, All controls shall be tested by the operator: At the start of a new shift 3 multiple choice options According to a metric conversion table bars multiplied by 14. equals Pounds per square inch 3 multiple choice options According to a length conversion table, meters multiplied by 3. equals? Feet 3 multiple choice options According to OSHA, when wind velocity indicating device is not functioning crane operations: Can use wind speed reading from another tower onsite, or an estimate from a qualified person 3 multiple choice options According to ASME B30.3, A class ________ fire extinguisher shall be kept in the cab or on the machinery platform: 10 ABC 3 multiple choice options According to OSHA Subpart CC, tower cranes must be plumbed to a tolerance of at least: 1:500 3 multiple choice options According to ASME B30.3, Where must the wind velocity-indicating device be mounted? At or near the top of the crane 3 multiple choice options According to OSHA a frequent inspection shall be performed by a : Competent person 3 multiple choice options According to ASME B30.3, a frequent inspection must be performed: Prior to each shift 3 multiple choice options According to ASME B30.3, a initial inspection prior to being erected consists of what? Periodic or major 3 multiple choice options According to ASME B 30.3, a frequent inspection will include? All control mechanisms for proper crane operations 3 multiple choice options According to ASME B30.3, a periodic inspection must be performed: Annually 3 multiple choice options According to ASME B30.3, a periodic inspection will include: Walkways, Ladders, and access systems for deficiencies 3 multiple choice options According to ASME B 30.3, A major inspection shall include All the above 3 multiple choice options According to ASME B30.3, when shall pre-operational testing be performed? After erection and each climbing operations 3 multiple choice options According to ASME B30.3, Load Limiting Device settings shall be verified by means of a load test using: A freely suspended load specified by crane manufacture 3 multiple choice options According to ASME B30.3, hoist rope should be visually inspected at least once each: Work day 3 multiple choice options According to ASME B30.3, Rotation resistant wire rope shall be removed from service if: There are two randomly distributed broken wires in ten rope diameters or four randomly distributed broken wires in thirty rope diameters 3 multiple choice options According to ASME B30.3, if MORE than ______ broken wire(s) at an end connection, the wire rope shall be re-socketed or replaced. 2 3 multiple choice options According to ASME B30.3, who should be present during climbing or telescoping operations? Designated person 3 multiple choice options According to ASME B30.3, the operator shall test the brakes each time lifting a rated load by: Lifting it a few inches and applying the brakes 2 multiple choice options According to ASME B30.23, Personnel platforms shall be inspected by: A designated person 3 multiple choice options According to OSHA Subpart CC, Personnel platforms shall be limited to how many occupants? Number required for the work being performed 3 multiple choice options According to OSHA Subpart CC, A personnel platform shall be proof tested with what percentage of the platforms rated capacity? 125% 3 multiple choice options According to OSHA Subpart CC, what is the duration of a proof test? 5 min. 2 multiple choice options According to OSHA Subpart CC, Personnel platform should not be used in excess of: 20 mph 3 multiple choice options According to ASME B30,3, if any controls do not operate properly they shall be adjusted or repaired prior to: Commencing the next lift operation 3 multiple choice options According to OSHA, wire rope slings shall not be used if, in any length of eight diameters, the total number of visible broken wires exceeds _______ percent of the total number of wires. 10 3 multiple choice options According to OSHA 1926.251, rigging hardware shall be inspected: Prior to each shift 3 multiple choice options According to OSHA 1926.251, Custom designed rigging hardware shall be proof tested to ______ percent of their rated load 125 3 multiple choice options According to OSHA 1926.251, a safety factor of ______ must be maintained on all wire rope slings. 5 3 multiple choice options According to OSHA 1926.251, all rigging and rigging hardware must be inspected by a: Competent person 3 multiple choice options The maximum included angle allowed when attaching slings directly to the hook is ______degrees. 90 3 multiple choice options The maximum included angle allowed when attaching slings to a shackle then to the hook is _______ degrees. 120 3 multiple choice options Slings shall be removed from service if hooks are cracked or have been opened more than _______ percent of the normal throat opening measured at the narrowest point. 15 3 multiple choice options Slings shall be removed from service if hooks are twisted more than ______ degrees from the plane of the unbent hook 10 3 multiple choice options According to OSHA 1926.753, slings being used in steel erection activities shall be visually inspected by a competent person: Prior to each shift 3 multiple choice options According to OSHA 1926.753, All loads shall be rigged by a(n): Qualified rigger 3 multiple choice options According to OSHA 1926.753, the maximum number of pieces that you can christmas tree is? 5 3 multiple choice options According to OSHA 1926.753, What is the maximum distance between pieces during christmas tree operations? 7ft 3 multiple choice options According to OSHA 1926.753, all hooks used will be equipped with _____ latches. Self closing 3 multiple choice options According to OSHA 1926.753, a critical lift means a lift that exceeds ________percent of the rated capacity of the crane or derrick or requires the use of more than one crane or derrick. 75 3 multiple choice options What is the OSHA regulation dealing with Steel Erection 1926.753 3 multiple choice options According to OSHA 1926.753, components of the multiple lift rigging assembly shall be specifically designed and assembled with a maximum capacity for total assembly and for each individual attachment point. This capacity, certified by the manufacturer or a qualified rigger, shall be based on the manufacturer's specifications with a ______ to 1 safety factor for all components. 5 What section on Subpart CC covers tower cranes? 1926.1435 3 multiple choice options According to OSHA Subpart CC, a periodic inspection shall be performed by a(n): Qualified person 3 multiple choice options Central ballast blocks must be distributed around the tower base? Equally 3 multiple choice options According to the Tower Crane Reference Manual, how often should the hoist wire rope be lubricated? 200 hrs of operation 3 multiple choice options According to the Tower Crane Reference Manual, using twist free wire rope the twist compensator should generally be: open 3 multiple choice options Tower crane load hooks must be inspected each time the crane is erected or once every Year 3 multiple choice options When installing a wedge socket with wire rope, how long should the tail length of the dead end be using standard 6 to 8 strand rope? 6 in 3 multiple choice options What is the task of high tensile bolt connections between tower sections? Connecting components and transmitting forces 3 multiple choice options Excessive _____________ must occur prior to the cranes arrival at jobsite? planning 3 multiple choice options A site specific safety _________must be performed as part of the planning process? Survey 3 multiple choice options Federal Aviation Administration (FAA) standard 7460-1 requirement must be met for any obstruction more than? 200 ft 3 multiple choice options A ________ report must be provided prior to crane set up? Soil 3 multiple choice options A ___________ person must determine the size and strenght of the concrete footings or crane mats? Qualified 3 multiple choice options The crane must have a main disconnect switch mounted? At or near the base 3 multiple choice options Installing counter weight/ballast, unfolding, telescoping the mast and reconfiguration of the crane shall be performed by a __________ person? Qualified 3 multiple choice options If the operator is to leave the radio remote control unattended, the operator must? De-energize the crane and secure the remote 3 multiple choice options The area inside the crane's tail swing must be? Barricaded 3 multiple choice options Self erecting tower crane operators must be familiar with? Emergency procedures 3 multiple choice options Remove ______________ in the proper sequence and at the proper time during dismantling? Counterweight/ballast 3 multiple choice options The suspended platform suspension system shall have a minimum design factor of ________ to 1? 5 3 multiple choice options According to ASME B30.3, A periodic inspection is conducted? Annually 3 multiple choice options All welding repairs on a personnel platform shall be done by a _________ welder? Certified 3 multiple choice options If hazards are identified prior to erection, who shall be consulted? Qualified person 3 multiple choice options According to ASME, who is responsible to provide information for erection and dismantling a self erecting tower crane? Crane owner 3 multiple choice options If radios or other electronic means of communication are used they should operate on a _________ channel? Dedicated 3 multiple choice options While hoisting personnel, the platform must remain within ________ degrees of level? 10 3 multiple choice options According to ASME B30.3, a major inspection is conducted: 60 month intervals 3 multiple choice options According to the Tower Crane Reference Manual Central Ballast sheet c, where must the guide section be positioned after erection of the 12th section? To the undercarriage 3 multiple choice options According to ASME B30.3, when leaving the crane unattended you are required to weather vane the crane unless: Instructed to do otherwise by the manufacturer or a qualified person 3 multiple choice options According to ASME B30.3, a qualified signal person shall be assigned at all times to observe power line clearance when: Working within the boom(jib) length of table limits 3 multiple choice options When two tower cranes are operating on one site, operators should: Have direct communication 3 multiple choice options Which of the following does not affect the stability of the crane? Reducing the load after having lifted it 3 multiple choice options According to OSHA Subpart CC, the total weight of the loaded personnel platform and related rigging shall not exceed what percentage of the cranes rated capacity for the radius and configuration? 50% 3 multiple choice options According to ASME B30.3, the main disconnect switch shall be mounted at the: Base of the crane 3 multiple choice options According to OSHA Subpart CC, all controls should be tested by the operator at the start of each: Shift 3 multiple choice options According to ASME B30.3, when climbing a tower crane, the wind must not be greater than: Manufacturers recomendation 3 multiple choice options According to OSHA 1926 Subpart CC, for self erecting tower cranes, no employee shall be in or under tower, jib or rotating portion during erecting, climbing or dismantling until the crane is: Secured in the locked position 3 multiple choice options According to ASME B30.3, What class of fire extinguisher must be kept in the cab or on the machinery platform? ABC 3 multiple choice options High tensile bolts shall be marked with Strength and rating 2 multiple choice options On a self erecting tower crane with outriggers, what angle to the jack should the outrigger pads be? 0 3 multiple choice options According to OSHA 1926 Subpart CC, how often must the turn bolts and tower bolts be inspected for proper condition and torque? Annually 3 multiple choice options A twist compensator on a tower crane will Minimize the condition of the twisted block 3 multiple choice options According to ASME B30.3, why are high strength traction bolts torqued to specific levels? To reduce the likelihood of fatigue and failure 3 multiple choice options Approximately how much does steel weigh per cubic foot? 490lbs 3 multiple choice options When tightening traction tower bolts, the crane super structure should be rotated to place the counter weight: 0 degrees away from bolts being tightened 3 multiple choice options According to ASME B30.3, the load shall not be lowered to a point where less than: 3 full wraps remain on the drum 3 multiple choice options According to ASME B30.3, Tower cranes shall be equipped with which of the following limiting devices? Travel, trolley, overload 3 multiple choice options According to the NCCCO Tower Crane Reference Manual, wire rope should be lubricated every: 200 hours 3 multiple choice options According to OSHA Subpart CC, if during a shift inspection a safety hazard is discovered: Take the crane out of service until the condition is corrected 3 multiple choice options According to OSHA 1926 Subpart CC, Load charts, recommended operating speeds, special hazard warnings or instructions shall be readily available in which location? Operators Cab 3 multiple choice options According to ASME B30.3, initially and after each climb, the crane shall be plumbed: while balanced 3 multiple choice options According to ASME B30.3, which statement is true regarding tower crane operational aids? Measured operating radii shall always govern over indicated radii 3 multiple choice options Splices in rail tracks shall have rail head mating surfaces that are Sufficiently smooth to not impact operation of crane 3 multiple choice options The drum flange shall extend a minimum of _______ above the top layer of rope during operation. One half rope diameter but not less than 1/2 in 3 multiple choice options The crane tower must be plumbed to a tolerance of : 1 inch in 40 ft 3 multiple choice options What kick out in the even of excessive jib deflection Jib pendant overload switch 3 multiple choice options