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NCCCO Tower Crane Tests | 100% Correct
Answers | Verified | Latest 2024 Version
Splices in rail tracks shall have - ✔✔Smooth Joints Hydraulic systems should have their proper fluid level checked - ✔✔Daily If power fails during operations, the following shouldn't apply - ✔✔Do your best to finish moving load where it was designated to go If load is undetermined who is to find out if load weight does not exceed crane rating at radius at which the load is to be lifted - ✔✔Person responsible for lift Where should climbing instructions be kept - ✔✔ON Site All climbing operations shall be performed under the supervision of - ✔✔Qualified person When cranes are erected, load limiting devices shall be tested for proper setting and operation - ✔✔Before crane is placed in service Hooks shall be equipped with latches unless the application makes the use of the latch - ✔✔Impractical Size and position of signs or panels must satisfy the limitations of - ✔✔Manufacturer Fall prevention measures are needed for working at locations where you are exposed - ✔✔To a fall of 6ft or more Travel distance on hand levers shall not be greater - ✔✔than 14 inches from neutral position For power lines rated 175KV the minimum clearance between the lines and any part of the crane or load is - ✔✔15ft
All controls shall be tested by the operator at the - ✔✔start of new shift Before each climbing operation all load members of the support system shall be - ✔✔Inspected Chain slings are required to be - ✔✔ID tagged Welding on loads suspended by the crane can only be done if the load has - ✔✔Insulated slings How much does an average cubic yard of concrete weight - ✔✔4,000 lbs Main power switch for tower crane is - ✔✔At base of crane Items not listed in the frequent inspection checklist are - ✔✔Hydraulic pumps and valves for excessive wear or damage When is it necessary to determine that there is no practical alternative way to perform the needed work or to gain access to the area - ✔✔Personnel Lift Each series of voice signals shall contain three elements stated in the following order - ✔✔Function and Direction - Distance and speed - Function stop When lifting personnel communication shall be maintained between three of the next four - ✔✔Person(s) being lifted - Operator - Signal person The condition when the tower load block or hook assembly comes in contact with the upper - ✔✔Two- blocking Load bearing members of the climbing and support system shall be inspected before each - ✔✔Climbing operation Where shall a wind velocity indicating device be mounted - ✔✔At or near the top of crane
According to ASMA 30.3, load hoist rotation resistant wire rope has a design factor of - ✔✔5 to 1 ASME 3 - 1.5.5(b) According to ASME B30.3, when lifting a suspended personnel platform the design factor for the rigging hardware is - ✔✔5 to 1 ASME 3-3.2.2(b)(3) According to ASME B30.3, Load hoist ropes that are not rotation must have a design factor of - ✔✔5 to 1 ASME 3-1.5.5(b) The OSHA construction standard for rigging equipment is - ✔✔1926. According to ASMA B30.3, on whose recommendations should a preventative maintenance program be set up - ✔✔Crane manufacturer ASME 3-2.3.1(a) When using cable or nylon spreaders it is important to remember - ✔✔The lower the spreader angle the greater the tension According to OSHA when testing a man basket how long must the test pick be maintaned - ✔✔ 5 minutes. OSHA 1926.550 (g)(5)(vi) According to ASME B30.3, what is the minimum pitch diameter for load hoisting sheaves - ✔✔not less than 18 times rope diameter ASME 3-1.5.4(d) According to ASME B30.3, what is the minimum pitch diameter for load block sheaves - ✔✔not less then 16 times rope diameter ASMA 3-1.5.4(d) According to ASME b30.3, what is the minimum pitch diameter for boom hoist sheaves - ✔✔not less then 15 times rope diameter ASME 3-1.5.4(d) According to OSHA when lifting personnel the cranes hook must be the types that - ✔✔Can be closed and locked OSHA 1926.550(g)(4)(iv)(B)
According to OSHA, when working over water with a man basket are the people inside required to wear a belt/harness - ✔✔No harness or belt required OSHA 1926.550(g)(6)(VII) According to ASME B30.3, when working near power lines where should caution stickers be installed - ✔✔At operators station and at the base of the crane ASME 3-3.4.3(f) According to OSHA a frequent inspection is - ✔✔Daily to monthly OSHA 1910.180(d)(2)(i) According to OSHA a periodic inspection is - ✔✔Monthly to annually OSHA 1910.180(d)(2)(ii) Cranes idle for more than six months must have inspections performed: - ✔✔Frequent and Periodic ASME 3-2.1.5(b) Cranes idle for less than six months must have inspections performed: - ✔✔Frequent ASME 3-2.1.5(a) Cranes lifting personnel platform must have the platform and rigging inspected: - ✔✔Prior to each shift ASME 3-3.2.2(c)(1) Crane hooks must not be twisted in excess of: - ✔✔10 degrees OSHA 1910.180(d)(3)(v) A Crane hooks throat open must not exceed - ✔✔15% of its original size OSHA 1910.180(d)(3)(v) By order of hitch strength which is the correct answer - ✔✔Basket, Vertical, Choker According to ASME B30.3 and OSHA you should always have at least how many. wraps on a hoist drum - ✔✔2 ASME 3-3.2.1(d)(7) What is the minimum allowable distance from the crane and power lines under 50kV - ✔✔10ft 3-3.4.3(1) According to ASME B30.3, how many randomly broken wires must there be to remove a running wire rope from serivce - ✔✔12 ASME 3-3.4.3(b)(1)
Washers used in high tensile bolt connections shall be marked with - ✔✔HV TCCm bolting 4- 5 Before installation high tensile bolt connection components shall be cleaned and visually examined for - ✔✔damage and corrosion TcCCM bolting 4- 7 When ready to torque the nut on a high tensile bolt connection you should - ✔✔Lubricate threads TCCM bolting 4- 8 During tightening of high tensile connections the bolt is stretched tom a specific percentage of its elastic limit at the correct - ✔✔Torque TCCM bolting 4- 9 Preferably the tightening torque shall be applied to the - ✔✔Nut TCCM bolting 4- 9 The tightening torque values placed on the nuts and bolts of high tensile bolt connection are dependent on the - ✔✔type and size. TCCM bolting 4- 9 What components of a tower crane are connected with high/tensile bolt connections? - ✔✔Foundation anchors, tower sections, slewing, ring support TCCM bolting 4- 2 When the tower base bolts are torque the counter job should be positioned - ✔✔0 degrees from the bolt According to the NCCCO Tower Crane reference manual what items below should be part of the operators daily pre check - ✔✔Wire ropes limit switches. TCCM maintenance 2- 19 According to the NCCCO Tower Crane reference manual, how any safety turns (wraps) must be left on the hoist drum when the load hook is in its lowest position - ✔✔3 TCCM wire rope 5- 1 According to 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% TCCM Wire rope 5- 1
According to the ASME B30.3 what is the design factor for rotation resistant load hoist wire rope - ✔✔5.0 to 1 ASME 3-15.5 (b) Who determines the correct hoist wire rope to be installed on tower cranes - ✔✔Manufacturer What grade alloy steel chain should be used for crane hoisting slings - ✔✔80 OSHA 1910. 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 3-2.4.3(b)(2) According to ASME B30.3 a periodic inspection of a tower cranes wire rope shall be performed at least? - ✔✔Annually ASME 3-2.4.2(b)(1) According to ASME B30.3 which inspection does not require records to be kept - ✔✔Frequent ASME 3- 2.4. Wire rope lubricant is very important. It should be applied according to who's 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. (Figure 9) According to OSHA 1926.550, Who is responsible for machinery and equipment inspection before each use - ✔✔competent person With a hook height of 350 feet, where should the hydraulic top climbing unit be positioned before operating crane according to chart B - ✔✔Uppermost tie in position According to spacing chart B what is the distance from the face of the structure to the center line of the crane - ✔✔10`10" When is it permitted to shift the hoist gear of a tower crane - ✔✔Neutral Gear
According to ASME B30.3 a frequent inspection shall be performed by a/an - ✔✔Designated Person According to ASME B30.3 a frequent inspection in light service conditions must be performed - ✔✔monthly According to ASME B30.3 a frequent inspection in normal service conditions must be performed - ✔✔weekly to monthly According to ASMe B30.3 a frequent inspection in heavy service conditions must be performed - ✔✔daily to weekly According to ASME B30.3 a periodic inspection in light service conditions must be performed - ✔✔annually According to ASME B30.3 a periodic inspection in normal service conditions must be performed - ✔✔Semi-annually to annually According to ASME B30.3 A Periodic inspection in heavy service conditions must be performed - ✔✔Qarterly According to ASME B30.3 when shall pre-operational testing be performed - ✔✔After erection and each climbing operations According to ASME B30.3 load limit device settings shall be verified by means of a static test using test loads of ________of applicable rating - ✔✔102.5% - 110% According to ASME B30.3 hoist rope should be visually inspected at least once each - ✔✔work day According to ASME B30.3 trolley rope shold be bisually inspected at least once each - ✔✔Month 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
According to B30.3 if more than _________ broken wire(s) at an end connection, the wire rope shall be re-socketed or replaced - ✔✔ 2 According to ASME B30.3 who should be present during climbing or telescoping operation - ✔✔Operator According to ASME B30.3 the operator shall test brakes each time lifting a rated load by - ✔✔Lifting it a few inches and applying the brakes According to ASME B30.3 personnel platforms shall be limited to a capacity of ____________ persons - ✔✔ 6 According to OSHA 1926.550 (g) personnel platforms shall be limited to how many occupants - ✔✔Number required for the work being performed According to ASME B30.3 personnel platform shall be proof tested with what percentage of the platforms rated capacity - ✔✔200% According to ASME B30.3 what is the duration of a proof test - ✔✔5 Minutes According to B30.3 personnel platform should not be used in winds in excess of - ✔✔15mph 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 According to OSHA wire rope slings shall not be used it, in any length of eight diameters, the total number of visible broken wires exceeds ____________ percent of the total number of wires - ✔✔ 10 According to OSHA 1926-251 rigging hardware shall be inspected - ✔✔Prior to each shift According to OSHA 1926-251 custom designed rigging hardware shall be proof test to _________ percent of their rated load - ✔✔ 125
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 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 According to ASME B30.3 a periodic inspection shall be performed by a/an - ✔✔Appointed person According to sheet C in the tower crane configuration manual how many B type blocks are required on layer 2? The hook radius is 164 feet you have 7 tower sections and the guide section is on the crane - ✔✔ 4 Central ballast blocks must be distributed around the tower base - ✔✔Equally According to the Tower Crane Reference Manual how often should the hoist wire rope be lubricated - ✔✔200 hours of operatin According to the Tower Crane Reference Manual using the twist free wire rope the twist compensator should generally be - ✔✔Open Tower Crane Load hooks must be inspected each time crane is erected or once every - ✔✔Year 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 What is the task of high tensile bolt connections between tower sections - ✔✔Connecting components and transmitting forces
