Tower Crane Exam Study Guide (2026/2027 Edition) | Complete Questions & Verified Answers | 100% Correct | Guaranteed A

Tower Crane Exam Study Guide (2026/2027 Edition) | Complete Questions & Verified Answers | 100% Correct | Guaranteed A Q. Which OSHA regulation governs suspended personnel platforms? ANSWER OSHA 1926.1431 Q. According to ASME B30.3, the prohibited zone for power lines that are 60 kv is: ANSWER 15 ft (ASME 3-3.4.3-1) Q. According to ASME B30.3, load hoist rotation resistant wire rope has a design factor of: ANSWER 5 to 1 (ASME 3-1.10.5(b)) Q. Accoring to ASME B30.23, when lifting a suspended personnel platform the design factor for the rigging hardware is: ANSWER 5 to 1 (ASME 23-1.1.1(a)(2)) Q. According to ASME B30.3, load hoist ropes that are not rotation resistant must have a design factor of: ANSWER 5 to 1 (ASME3-1.10.5 (b)) Q. The OSHA Construction Standard for rigging equipment is: ANSWER 1926.251 Q. According to ASME B30.3, on whose recommendations should a preventative maintenance program be set up? ANSWER Crane Manufacturer (ASME 3-2.3.1 (a) Q. When using cable or nylon spreaders its important to remember: ANSWER The lower the spreader angle the greater the tension Q. According to OSHA, when testing a man basket how long must the test pick be maintained? ANSWER 5 minutes (OSHA 1926.1431 (J) (2) Q. According to ASME B30.3, what is the minimum pitch diameter for load hoisting sheaves? ANSWER Not less than 18 times rope diameter (ASME 3-1.10.4(d)) Q. According to ASME B30.3, what is the minimum pitch diameter for load block sheaves? ANSWER Not less than 18 times rope diameter (ASME 3-1.10.4(d)) Q. According to ASME B30.3, what is the minimum pitch diameter for boom hoist sheaves? ANSWER Not less than 15 times rope diameter (ASME 3-1.10.4(d)) Q. According to OSHA, when lifting personnel the cranes hook must be the type that: ANSWER Can be closed and locked (OSHA 1926.1431 (9)(l)(i)(A)) Q. According to OSHA, when working over water with a man basket are the people inside required to wear a belt/harness? ANSWER No harness or belt required (OSHA 1926.1431 (K)(10)(i) Q. According to ASME B30.3, when working near power lines where should caution stickers be installed? ANSWER At operators station and at the base of the crane (ASME 3-3.4.3(f)) Q. According to OSHA, an inspection is to be done when: ANSWER Prior to each shift (OSHA 1926.1412(d)(l)) Q. According to ASME B30.3-2016 when should a frequent inspection be done? ANSWER Prior to use each day (ASME 3-2.1.2 (b) (1)) Q. How often should a major inspection be conducted? ANSWER 60 month intervals (ASME 3-2.1.2 (b) (3)) Q. Cranes lifting personnel platforms must have the platform and rigging inspected: ANSWER Prior to each shift (ASME B30.23-2.1.2(2)(a)) Q. Crane hooks must not be twisted in excess of: ANSWER 0 degrees Q. A crane hook's throat open must not exceed: ANSWER 5% of its original size Q. By order of hitch strength, which is the correct answer? ANSWER Basket, Vertical, Choker Q. According to ASME B30.3 you should always have at least how many wraps on a hoist drum? ANSWER 3 (ASME 3-3.2.1) Q. What is the minimum allowable distance from the crane and power lines under 50kV? ANSWER 10 ft (ASME 3-3.3.4.3(1)) Q. According to ASME B30.3, how many randomly broken wires must there be to remove a running wire rope from service? ANSWER 12 (ASME 3-2.4.3(b)(1)) Q. According to ASME B30.3, when working near power lines when is a signal person required? ANSWER When a crane moves within a booms length of power lines (ASME 3-3.4.3(a)(3)) Q. According to OSHA, after the crane has been checked out and before personnel lift operations begin the crew should: ANSWER Have a pre-lift meeting (OSHA 1926.1431 (m)(2) Q. According to OSHA, when is it safe to work closer than the allowable distance from power lines? ANSWER When the utility company says lines are de-energized (OSHA 1926.1408) Q. When should a tagline be used? ANSWER When rotation of a load would be dangerous (ASME 3-3.2.1(d)(8) Q. What is the minimum design factor required for a boom hoist rope? ANSWER 3.5 (ASME 3-1.10.5 (c)) Q. How many broken wires must be present in one strand of one lay for running wire rope to be removed from service? ANSWER 4 (ASME 3-2.4.3(b)(1)) Q. What is the maximum permitted wind speed when climbing a tower? ANSWER 20 mph (ASME 3-3.1.4.1.2(k)) Q. According to OSHA 1926, a crane should be plumbed to: ANSWER 1 to 500 (OSHA 1926.1435 (s)) Q. What is the minimum swing clearance from obstructions? ANSWER 6 ft 6 in (ASME 3-1.4 (n) Q. According to ASME B30.3, an overhead power line is ALWAYS considered to be: ANSWER Energized until the power company has verified that it is not energized (ASME 3-3.4.3 (d)) Q. High Tensile bolts shall be marked with manufacturers designation and: ANSWER Strength rating (TCRM pg 39) Q. Bolt connections for tower sections must use high-tensile strength nuts with ratings of: ANSWER 12 (TCRM pg 40) Q. Washers used in high tensile bolt connections shall be marked with: ANSWER HV (TCRM pg 40) Q. Before installation high tensile bolt connection components shall be cleaned and visually examined for: ANSWER Damage and corrosion (TCRM pg 42) Q. When ready to torque the nut on a high tensile bolt connection you should: ANSWER Lubricate Threads (TCRM pg 43) Q. During tightening of high tensile connections the bolt is stretched to a specific percentage of its elastic limit at the correct: ANSWER Torque (TCRM pg. 44) Preferably the tightening torque shall be applied to the: Nut (TCRM pg 44.) The tightening torque values placed on the nuts and bolts of high tensile bolt connection are dependent on the: Type and size (TCRM pg. 44) What components of a tower crane are connected with high tensile bolt connections? Foundation anchors, tower sections, slewing ring support (TCRM pg 37)) What is the minimum drum flanges should extend above the top layer of rope? 1/2" (ASME 3-1.10.2 (b) What is the counterweight requirements in counterweight arrangement "A" with a 60m jib and a 24m counter jib? 1-CBD & 3-CBC (TCRM pg. 17) What is the counterweight requirements in counterweight arrangement "B" with a 72.3m jib length? 1xD+5xC=1xA (TCRM pg. 18) What is the front counterweight toward the tower in the counterweight arrangement "B" in a 52.3 jib length? Block A (TCRM pg. 18) How many counterweight blocks are to be places onto the gear platform before installing the boom in counterweight arrangement "C"? 6 (TCRM pg. 19) Using counterweight arrangement "D", how many counterweight blocks are required with a 70m jib? 4xCBC - 1xCBD According to central ballast sheet "B", how much does ballast Block A weigh? 5.4 T (TCRM pg. 22) According to central ballast sheet C, at what tower section does the climbing equipment need to be lowered after erection? 12 (TCRM pg 23) According to tie-in spacing A, top climbing tower sections required with two or more tie-ins with boom length of 164'. What tower section is the first tie-in made? 8 max - 4 min (TCRM pg. 26) Using tie-in spacing B, what is the distance of face of structure to the center line of the crane? 3.3 m minimum (TCRM pg. 27) According to crane "B" with a 230' jib assembly, what is the shortest section used? 16' 4-3/4" According to crane "A", with a 60 m jib, what is the length of the counter jib section closest to the tower? 8.225 m (TCRM pg 15) Using chart F-2, what is the capacity with a 180 ft. boom with a radius of 150'? 19,840 lbs (TCRM pg.14) According to the NCCCO TCRM, what items should be a part of the operators daily pre-check? Wire ropes, limit switches (TCRM pg. 25) According to the OSHA 1926.1435 Tower Crane, how many safety turns (wraps) must be left on the hoist drum when the load hook is in its lowest position? 2 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% (TCRM pg. 46) Accoring to ASME B30.3, what is the design factor for rotation resistant load hoist wire rope? 5.0 to 1 (ASME 3-1.10.5 (b)) Who determines the correct hoist rope wire to be installed on tower cranes? Manufacturer What grade alloy steel chain should be used for crane hoisting slings? 80 (ASME B30.9-2010 section 9-1.2.1 Alloy Chain)) 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 to leave it in service? 1 (ASME 3-2.4.4(b)(2)) According to ASME B30.3, a periodic inspection of a tower cranes wire rope shall be performed at least: Annually According to ASME B30.3, which inspection does not require records to be kept? Frequent (ASME 3-2.1.3) Wire rope lubricant is very important. It should be applied according to whose recommendations? Manufacturer (ASME 3-2.4.4(e)) When you have core failure in wire rope, a common result is? Reduction in diameter (ASME 3-2.4.2-1) According to OSHA 1926.142 (d) (1), who is responsible for machinery and equipment inspection before each use? Competent person (OSHA 1926.1412 (d)(1) According to counterweight arrangement "C", what is the total weight for a 45 m boom? 49 T (TCRM pg. 19) According to self erector technical data "A", what is the hook height with spindle jacks fully extended, 50m jib at 30 degrees? 165' (TCRM pg. 68) According to chart "B", with 148' jib, what is your maximum capacity at 157' radius? 0 (TCRM pg. 9) When is it permitted to shift the hoist gear of a tower crane? Hoist gear at standstill (TCRM pg. 30) According to the ASME B30.3, an overhead power line is ALWAYS considered to be: Energized until the power company has verified it is not energized (ASME 3-3.4.3(d)) According to ASME B30.3, maintenance personnel are permitted to operate the crane only when: performing their duties (ASME 3-3.1.1(a)(3) According to ASME B 30.3, who should be present when telescoping or climbing operations begin? Operator (ASME 3-3.1.4.1.2 (L)) According to OSHA 1926.1431 (g) (2), 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 (OSHA 1926.1431 (g) (2)) Hand signals to Contruction Tower Crane operators shall be those prescribed by: ASME B 30.3 ASME3-3.3 According to OSHA 1926.1435 (e) (i), what shall be provided at both ends of travel of the trolley? Trolley Travel Limiting Device (OSHA1926.1435 (e)(5)(i)) According to ASME 30.3, all controls shall be tested by the operator: At the start of a new shift (ASME 3-3.1.3 (i)) According to a metric conversion table, bars multiplied by 14. equals? Pounds per square inch TRCM Conversion pg.2 According to a length conversion table, meters multiplied by 3. equals? Feet (TCRM conversion pg. 3) According to self-erector technical date "B", what is the distance from the center of rotation to the tail swing of the counterweights? 11' (TCRM pg .27) According to tie spacing "B", what is the maximum overhang above the uppermost tie-in? 165' 6" (TCRM pg. 27) In counterweight arrangement "B", about how many pounds does counter block "A" weigh? 6,350 (Conversions table-mass pg. 3) Hooks shall be equipped with latches unless the application make the use of the latch: Impractical (ASME 3-1.11 (b)) According to ASME B30.3, a class (BLANK) fire extinguisher shall be kept in the cab or on the machinery platform 10 ABC (ASME 3-1.23.4)) According to OSHA (d)(6): AN accessible fire extinguisher must be on the equipment According to ASME B30.3, where must wind velocity- indicating device be mounted? At or near the top of the crane (ASME 3-1.24.7)) According to ASME B30.3 a frequent inspection shall be performed by a: Designated person (ASME 3-2.124.7) According to ASME B30.3, a frequent inspection in light service conditions must be performed: Prior to use each day (ASME 3-2.1.2 (b) (l) Footwalls, platforms, ladders and railings shall be capable of supporting a (BLANK) lb person. 300 (ASME 3-1.24.1 (b) D/d ration is: Diameter of load divided by diameter of rigging According to ASME B30.3, a periodic inspection must be performed: Annually (ASME 3-2.1.2 (b)(2)) According to ASME B30.3, when shall pre-operational testing be performed? After erection or reconfigured (ASME 3-2.2.1 (a)) According to ASME B30.3, hoist rope should be visually inspected at least once each: Work day (ASME 3-2.4.2 (a)(1)) According to ASME B30.3, trolley rope should be visually inspected at least once each: Month (ASME 3-2.4.2 (a)(2)) According to ASME B30.3, rotation resistant wire rope shall be removed from service if: There are two randomly distributed broken wires in six rope diameters or four randomly distributed broken wires in thirty rope diameters (ASME 3-2.4.3(b)(2) According to B30.3, if MORE than (BLANK) broken wires at an end connection, the wire rope shall be re-socketed or replaced. 2 broken wires (ASME 3-2.4.3 (b)(8)) According to ASME B30.3, who should be present during climbing or telescoping operations? Operator (ASME 3-3.1.4.1.2 (L)) According to ASME B30.3, the operator shall test the brakes each time lifting a rated by: Lifting it a few inches and applying the brakes (ASME 3-3.2.1.(e)(6)) According to ASME B30.3, when is it permitted to lift personnel in a personnel platform When there is no other practical way (ASME B.30.3.3.2.A)) According to OSHA 1926.1431(F)(4), personnel platforms shall be limited to how many occupants? Number required for the work being performed or the number the platform was designed to hold, whichever is less. According to ASME B30.23, personnel platform shall be proof tested with what percentage of the platforms rated capacity? 125% (ASME 2.2.1 (b)(l) According to ASME B30.23, what is the duration of a proof test? 5 minutes (ASME 2.2.1 (b)(l) According to B30.23, personnel platform should not be used in winds excess of: 20 mph (ASME 3.2.1 (c)) According to ASME B30.3, if any controls do not operate properly they shall be adjusted or repaired prior Commencing the next lift operations (ASME 3-3.1.3(i)) 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 (BLANK) % of the total number of wires. 10 % (OSHA 1926.251 (c)(4)(iv)) According to OSHA 1926.251, rigging hardware shall be inspected: Prior to each shift (OSHA 1926.251 (a) (1)) According to OSHA 1926.251, custom designed rigging hardware shall be proof test to (BLANK %) of their rated load. 125 % (OSHA 1926.251 (a)(4) According to OSHA 1926.251 a safety factor of (BLANK) must be maintained on all wire rope slings. 5 (OSHA 1926.251 (c)(1) According to OSHA 1926.251, all rigging and rigging hardware must be inspected by a: Competent person (OSHA 1926.251 (a)(6)) The maximum included angle allowed when attaching slings directly to the hook is (BLANK) degrees. 90 degrees The maximum included angle allowed when attaching slings, a shackle, then to the hook is (BLANK) degrees. 120 degrees Slings shall be removed from service if hooks are cracked or have been opened more than (BLANK) percentage of the normal throat opening measured at the narrowest point. 15 (OSHA 1910.184(e)(9)(ii)) Slings shall be removed from service if hooks are cracked or have been opened more than (BLANK) percent of the normal throat opening measured at the narrowest point. 10 (OSHA 1910.184(e)(9)(ii)) According to OSHA 1926.753, cranes being used in steel erection activities shall be visually inspected by a competent person: Prior to each shift (OSHA 1926.753(c)(1)(i)) According to OSHA 1926.753, all loads shall be rigged by a: Qualified rigger (OSHA 1926.753(d)(2)(iii)) According to OSHA 1926.753, maximum number of pieces that you may Christmas tree is? 5 (OSHA 1926.753 (e)(4)(iii)) According to OSHA 1926.753, what is the minimum distance between pieces during Christmas tree operations? 7 ft (OSHA 1926.753(e)(4)(iii) According to OSHA 1926.753, all hooks used will be equipped with (BLANK) latches Self-closing latches (OSHA 1926.753 (d)(2)(ii) According to (OSHA 1926.751) a "critical lift" means a lift that exceeds (BLANK) % of the rated capacity of the crane or derrick or requires the use of more than one crane or derrick. 75 % (OSHA 1926.751) What is the OSHA regulation dealing with Steel Erection? 1926.754 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 (BLANK) to 1 safety factor for all components. 5 (OSHA 1926.753 (e)(2)) What is the proper procedure when using an insulating link or a boot near power lines? Be sure to maintain the correct allowable distance from the lines (OSHA 1926.1410(d)(4)) According to ASME B30.3, a periodic inspection shall be performed by a: Designated person (ASME 3-2.1.1(b)) According to crane "B", what are the ballast blocks that are required for a 230' jib assembly? 5xA + 1xB (TCRM pg 16) According to TCRM, how many safety turns (wraps) must be left on the hoist drum when the load hook is in its lowest position? 3 (TCRM pg.46) According to TCRM, load hooks throat opening or distortion must not exceed (BLANK) %. 5 % (TCRM pg. 59) Using TCRM chart F-1, what is the minimum hook reach? 13' (TCRM pg. 13) Central ballast blocks must be distributed around the tower base? Equally (TCRM pg. 22) According to the TCRM, how often should the hoist wire rope be lubricated? 200 hours of operation (TCRM pg. 53) According to the TCRM, using twist free wire rope the twist compensator should generally be: Open (TCRM pg. 54) Tower Crane load hooks must be inspected each time crane is erected or once every: Year (TCRM pg. 57) 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" (TCRM pg 61) What is the task of high-tensile bolt connections between tower sections? Connecting components and transmitting forces (TCRM pg. 37) How many ballast blocks are in the fist layer in a 97.20 T configuration, using ballast sheet A? 10xA (TCRM pg. 21) According to Chart "E", what is the minimum capacity of 164'? 20,500 (TCRM pg 12) For assembly/disassembly work, the employer must ensure the use of fall protection for employees at more than what height? 15 ft (OSHA 1926.1423 (f)) What is the minimum clearance distance when working around a powerline with 15 kv. voltage? 10 ft (OSHA 1926.1408. table A) When are crane hook latches not required? Only when a qualified person determines it is safer (1926.1433 (d)(4)(ii)) Self erecting tower cranes outrigger pads must be what degree to the jack? 90 degrees (TCRM pg 65) According to OSHA, tie off during assembly/disassembly of tower crane should be? 15' above the level without handrails/guards (OSHA 1926.1423(h) Tower crane should be level to: 1 inch in 40 ft (OSHA 1926.1435(b)(4) (i)) What has to be barricaded on a self-erecting tower crane during operation? Tail swing (TCRM pg. 66) How often does gear oil need to be checked according to TCRM? Weekly During assembly/disassembly, where does the list of instructions and weights need to be? On site (ASME 3-1.4 (a) What do you have to do to be hooked to a piece being welded? Use insulated links (TCRM pg 33, note 23) OSHA 1926.550 Which of the following osha regulations govern suspended personal platforms 15 feet According to ASME B30.3 the prohibited zone for power lines that are 60KV is... 5 to 1 Load hoist rotation wire rope according to ASME B30.3 has a design factor of 5 to 1 According to ASME B30.3 when lifting a suspended personnel platform the design factor for the rigging hardware is 5 to 1 ASME B30.3 load hoist ropes that are not rotation resistant must have a design factor of 1926.251 The osha construction standard for rigging equipment is Crane manufacturer ASME B30.3 on who's recommendations should a preventative maintenance program be set up Lower the spreader angle the greater the tension When using cable or nylon spreaders it is important to remember 5 minutes According to osha when testing a man basket how long must the test pick be maintained Not less than 18 times rope diameter Asme B30.3 what is the minimum pitch diameter for load hoisting sheaves Not less than 16 times rope diameter Asme B30.3 what is the minimum pitch diameter for load block sheaves Not less than 15 times rope diameter Asme B30.3 what is the minimum pitch diameter for boom hoist sheaves Can be closed and locked According to osha when lifting personnel the cranes hook must be the type that No harness or belt required According to osha when working over water with a man basket are the people inside required to wear a belt/harness At operators station and at the base of the crane When working near power lines where according to asme B30.3 should caution stickers be installed Daily to monthly According to osha a frequent inspection is Monthly to annually According to osha a periodic inspection is Frequent and periodic Cranes idle for more than 6 months must have___________ inspections performed Frequent Cranes idle for less than 6 months must have what type inspection performed Prior to each shift Cranes lifting personnel platforms must have the platform and rigging inspected 10 degrees Crane hooks must not be twisted in excess of 15% of its original size A crane hooks throat open must not exceed Basket vertical choker By order of hitch strength which is the correct answer 2 wraps According to asme B30.3 and osha you should always have at least how many wraps on a hoist drum 10 feet What is the minimum allowable distance from the crane and power lines under 50KV 12 wires Asme B30.3 how many randomly broken wires must there be to remove a running wire rope from service When crane moves within boom lengths of power lines When working near power lines according to asme B30.3 when is a signal person required? Have a pre lift meeting According to osha after the crane has been checked out and before personnel lift operations begin the crew should When utility company says lines are de energized According to osha when is it safe to work closer than the allowable distance from power lines When rotation of load would be dangerous When should a tag line be used 3.55 What is the minimum design factor required for a boom hoist rope 4 wires How many broken wires must be present in one strand of one lay for running wire rope to be removed from service 20 mph What is the maximum permitted wind speed when climbing a tower 1 to 500 According to asme B30.3 a crane should be plumbed to 63% According to asme B30.3 the rates load under static conditions shall not exceed_______ or calculated tipping loads Energized until the power company has verified it is not energized According to asme B30.3 an overhead power line is always considered to be Strength rating High-tensile bolts shall be marked with manufacturer's designation and: 12 Bolt connections for tower sections must use high tensile strength nuts with ratings of HV Washers used in high tensile bolt connections shall be marked with Damage and corrosion Before installation high tensile connection components shall be cleaned and visually examined for Lubricate threads When ready to torque the nut on a high tensile bolt connection you should Torque During tightening of high tensile connections the bolt is stretched to a specific percentage of its elastic limit at the correct Nut Preferably the tightening torque shall be applied to the Type and size The tightening torque valves placed on the nuts and bolts of high tensile bolt connection are dépendant on the Foundation anchors, tower sections, slewing ring support What components of a tower crane are connected with high tensile bolt connections 0° from the bolt When the tower base bolts are torqued the counter jib should be positioned Wire ropes, limit switches According to the NCCCO tower crane reference manual what items below should be part of the operators daily pre check 3 wraps According to the NCCCO tower crane reference manual how many safety turns must be left on the hoist drum when the load hook is in its lowest position 10% 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? 5.0 to 1 According to asme B30.3 what is the design factor for rotation resistant load hoist wire rope Manufacturer Who determines the correct wire rope to be installed on tower cranes 80 What grade alloy steel chain should be used for crane hoisting slings 2 wires According to asme B30.3 using rotation resistant running rope on a tower crane how many broken wires in one strand can you have to leave it in service Annually According to asme B30.3 a periodic inspection of a tower cranes wire rope shall be performed at least Frequent According to asme B30.3 which inspection does not require records to be kept Manufacturer Wire rope lubricant is very important. It should be applied according to who's recommendations Reduction in diameter When you have core failure in wire rope a common result is Competent person According to osha 1926.550 who is responsible for machinery and equipment inspection before each use Neutral gear When is it permitted to shift the hoist gear of a tower crane Energized until the power company has verified it is not energized According to ASME B30.3, an overhead power line is ALWAYS considered to be: Performing there duties According to asme B30.3 maintenance personnel are permitted to operate the crane only when Operator According to asme B30.3 who should present when telescoping or climbing operations begin? Master link According to osha 1926.550 when a wire rope bridle is used to connect the personnel platform to the load line each bridle leg shall be connected to a Asme B30.3 Hand signals to construction tower crane operators shall be those prescribed by Buffers According to osha 1926.550 what shall be provided at both ends of travel of the trolley At the start of a new shift According to asme B30.3 all controls shall be tested by the operator Pounds per square inch According to a metric conversion table bars multiplied by 14. equals? Feet According to a length conversion table meters multiplied by 3. equals? 13th section According to sheet A in the tower crane configuration manual the guide section must be lowered to the undercarriage after erection of the Rated loads when wind is considered the combined effects of static inertial and wind shall not exceed 77% of calculated tipping loads According to asme B30.3 which is the correct statement 10BC According to asme B30.3 a class ____ fire extinguisher shall be kept in the cab or on the machinery platform ABC According to the NCCCO conversion manual a class ____ fire extinguisher shall be kept in the cab or on the machinery platform At or near the top of the crane Where according to asme B30.3 must the wind velocity Indicating device be mounted designated person According to asme B30.3 a frequent inspection shall be performed by a Monthly According to asme B30.3 a frequent inspection in light service conditions must be performed Weekly to monthly According to asme B30.3 a frequent inspection in normal service conditions must be performed Daily to weekly According to asme B30.3 a frequent inspection in heavy service conditions must be performed Annually Asme B30.3 a periodic inspection in light service conditions must be performed Semi annually to annually Asme B30.3 a periodic inspection in normal service conditions must be performed Quarterly Asme B30.3 a periodic inspection in heavy service conditions must be performed After erection and each climbing operations According to asme B30.3 shall be pre- operational testing be performed 102.5% - 110% Asme B30.3 load limit device settings shall be verified by means of a static test using test loads of _____ of applicable rating Work day Asme B30.3 hoist rope should be visually inspected at least once each Month According to asme B30.3 trolley rope should be visually inspected at least once each There are 2 randomly distributed broken wires in 6 rope diameters or 4 randomly distributed broken wires in 30 rope diameters Asme B30.3 rotation resistant wire rope shall be removed from service if 2 Asme B30.3 is more than _____ broken wires at an end connection the wire rope shall be restocked or replaced Operator Asme B39.3 who should be present during climbing or telescoping operations Brake test with electric brakes is not required Asme B30.3 operator shall test the brakes each time lifting a rated load by 6 Personnel platform according to asme B30.3 shall be limited to a capacity of ____ persons Number required for the work being performed Personnel platform according to osha 1026.550 shall be limited to how many occupants 200% Asme B30.3 personnel platform shall be proof tested with what percentage of the platforms rated capacity 5 minutes Asme B30.3 what is the duration of a proof test 15 mph Asme B30.3 personnel platform should not be used in winds in excess of Commencing the next life operation If any controls do not operate properly according to asme B30.3 they shall be adjusted or repaired prior to 10% Osha, wire rope slings shall not be used if in any length of 8 diameters the total number of visible broken wires exceeds ____ percent of the total number of wires Prior to each shift Osha 1926.251 rigging hardware shall be Inspected 125% Osha 1926.251 custom designed rigging hardware shall be proof test to _____ percent of their rated load 5 Safety factor of ____ must be maintained on all wire rope slings Competent person Osha 1926.251 all rigging and rigging hardware must be inspected by a 90° Maximum included angle allowed when attaching slings directly to the hook is ______ degrees 120° Maximum includes angle allowed when attaching slings a shackle then to the hook is ____ degrees 15% Slings shall be removed from service if hooks are cracked have been opened more than ___ percent of the normal throat opening measured at the narrowest point 10° Slings shall be removed from service if hooks are twisted more than ____ degrees from the plane of the unbent hook Prior to each shift Osha 1926.753 cranes being used in steel erection activities shall be visually inspected by a competent person Qualified Rigger Osha 1926.753 all loads shall be rigged by a 5 Osha 1926.753 what is the maximum number of pieces that you may Christmas tree is 7 feet Osha 1926.753 what is the minimum distance between pieces during Christmas tree operations Self closing According to osha 1926.753 all hooks used will be equipped with _____ latches 75° Osha 1926.753 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 1926.753 What is the osha regulation dealing with steel erection 5 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 points this capacity certified by the manufacturer or a qualified rigger shall be based on the manufacturers specifications with a ____ to 1 safety factor for all components Be sure to maintain the correct allowable distance from the lines What is the proper procedure when using an insulating link or a boot near power lines Appointed person Asme B30.3 a periodic inspection shall be performed by a Equally Central ballast blocks must be distributed around the tower base 200 hours of operation According to the tower crane reference manual how often should the hoist wire rope be lubricated Open According to the tower crane reference manual using twist free wire rope the twist compensator should generally be Year Tower crane load hooks must be inspected each time crane is erected or once every 6 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 Connecting components and transmitting forces What is the task of high tensile bolt connections between tower sections