NCCCO CORE EXAM ACTUAL EXAM 170 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS, Exams of Nursing

Download NCCCO CORE EXAM ACTUAL EXAM 170 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS and more Exams Nursing in PDF only on Docsity!

NCCCO CORE EXAM ACTUAL EXAM 170

QUESTIONS AND CORRECT DETAILED ANSWERS

(VERIFIED ANSWERS) |ALREADY GRADED A

What is the minimum distance around powerlines with boom in transit position while driving under powerlines in voltage is 150 KV? - CORRECT ANSWER>>10 ft When should blocking be used under the outrigger pads of the crane? - CORRECT ANSWER>>When the support surface will not support the crane and load Which of the following is an accurate statement about luffing jibs? - CORRECT ANSWER>>It raises and lowers independent from the boom What is the weakest quadrant of a boom truck? - CORRECT ANSWER>>Front What effect would blocking up the ends of the tracks have on a crane? - CORRECT ANSWER>>It would increase capacity over the ends The tipping axis of a crawler crane is? - CORRECT ANSWER>>It depends if the idler or sprocket are offset from track rollers According to ASME B30.5 what percentage should not be exceeded on a mobile crane during a load test? - CORRECT ANSWER>>100%

From strongest to weakest put the following hitches in order - CORRECT ANSWER>>Basket, vertical, choker Which of the following should synthetic slings not be used around? - CORRECT ANSWER>>Acid How often should you inspect a running rope? - CORRECT ANSWER>>Daily The radius on a crane chart refers to? - CORRECT ANSWER>>Center of rotation to center of gravity of the load or hook What percentage is the manufacture rate of capacity of a mobile crane on outriggers? - CORRECT ANSWER>>85% What percentage is the manufacture rated capacity of a rough terrain crane on rubber? - CORRECT ANSWER>>75% What is Lay length? - CORRECT ANSWER>>The distance required for a strand to make a complete revolution around the rope What is one problem lubricating wire rope can cause? - CORRECT ANSWER>>Obstructed view when inspecting the rope

What would What would call for a running rope to be taken out of service? - CORRECT ANSWER>>Six randomly distributed broken wires and one Lay or three in one strand and one lay Which of these is known as a standing rope? - CORRECT ANSWER>>Pendant line If you are at a radius below the bold line on a load chart, which does that mean? - CORRECT ANSWER>>Tipping, stability To lift personnel, he must have an anti-two block on the crane? - CORRECT ANSWER>>True The personal platform must be proof tested to _________ Of the platforms rated capacity - CORRECT ANSWER>>125% The crane must be D rated ______ To lift personnel - CORRECT ANSWER>>50% When lifting personnel, how should the rigging be a attached to the hook? - CORRECT ANSWER>>With master link When using wire rope slings, the eye of the slings shall have? - CORRECT ANSWER>>Thimbles The crane operator should respond to the stop signal from anyone - CORRECT ANSWER>>True

On a rough terrain crane what is the strongest quadrant? - CORRECT ANSWER>>Front If an operator does not boom up to allow for a boom deflection, the load will? - CORRECT ANSWER>>Move away from the Crane Where should the boom be positioned when beginning a lift? - CORRECT ANSWER>>Directly over the center of gravity of the load A crane should always be barricaded within? - CORRECT ANSWER>>The swing radius of the rear of the rotation superstructure counterweight The crane must have a ______ inspection performed both monthly and yearly. This information must be documented by the employer that conducts the inspection. - CORRECT ANSWER>>Periodic Slings should always be marked with a capacity rate in tag. - CORRECT ANSWER>>True The wire rope clip on a wedge socket Should always attached to the _______ Of the Crane. - CORRECT ANSWER>>Dead end It is possible for a crane to be overloaded with no signs of tipping. - CORRECT ANSWER>>True

In rotation resistant ropes if you have ______ broken wires and six rope diameter or _______ broken wires and 30 rope diameters, the rope must be removed from service. - CORRECT ANSWER>>2, In order to operate a mobile crane on a barge, you must have - CORRECT ANSWER>>List and trim capacity chart When lifting a load out of the water, the load will be come ________ When it breaks the surface - CORRECT ANSWER>>Heavier What must be done when operating on a barge? - CORRECT ANSWER>>Attach the crane to the barge Mobile crane is more stable when: - CORRECT ANSWER>>The cranes leverage is greater than the load leverage As a crane tips the loads leverage - CORRECT ANSWER>>Increases What should be done if a crane has a cracked windshield? - CORRECT ANSWER>>Continue to operate if it causes no visible distortion On a truck crane or all-terrain crane, the strongest quadrant is normally the? - CORRECT ANSWER>>Rear

If boom links are in between on the load chart you should always: - CORRECT ANSWER>>Use lowest capacity of the next longer or shorter boom length If radius is in between on load chart, you should use: - CORRECT ANSWER>>Next longer radius If the boom angle is in between on the load chart, you should: - CORRECT ANSWER>>Use next lower boom angle Net capacity equals: - CORRECT ANSWER>>Gross capacity minus all deductions When is the Hoist rope consider a deduction? - CORRECT ANSWER>>All the above A Crane must be within _____ of level for the load chart to apply. - CORRECT ANSWER>>1% Traveling down a hill with a load will _____ radius - CORRECT ANSWER>>Increase During a pick and carry Which of the following would apply? - CORRECT ANSWER>>Boom in line with direction of travel According to 1926.1431, at what windspeed must a qualified person be consulted? - CORRECT ANSWER>>20 miles an hour

Sudden stops dynamic Loading can cause the load to________ - CORRECT ANSWER>>Increase For duty cycle operations like pouring concrete, hanging steel, etc. most manufacturers usually downrate the crane________. - CORRECT ANSWER>>20% A _________Inspection is the responsibility of the crane operator. - CORRECT ANSWER>>Frequent Hoist lines should be replaced when there is more than a _____ Reduction in the normal diameter of the rope. - CORRECT ANSWER>>5% A tagline is required to handle a load when? - CORRECT ANSWER>>When needed to control the load Where is the best place to level a crane? - CORRECT ANSWER>>Upper works What are the industry standards that cover mobile cranes? - CORRECT ANSWER>>OSHA 1926.1400 and ASME B30. In rotation resistant rope, if you have _____ broken wires and six rope diameter and ______ In 30 rope diameters, the rope must be removed from service. - CORRECT ANSWER>>2,

And standard rope if you have _____ broken wires randomly distributed in a rope lay and ________ broken wires in a strand in a Lay It must be removed from service. - CORRECT ANSWER>>6, When picking off the main boom, what determines the unused jib deduction? - CORRECT ANSWER>>The effective weight of the jib Setting up a mobile crane with long boom on uneven ground, what support condition should be considered? - CORRECT ANSWER>>Keeping it 90° between cylinder rod and the pad How should the tires be positioned when setting up a crane on outriggers? - CORRECT ANSWER>>All tires relieved of the cranes weight or preferably off the ground Who is responsible for determining the weight of the load? - CORRECT ANSWER>>Lift Director A DOT Medical card normally is good for a period of how many years? - CORRECT ANSWER>>Two years Upon arriving on site, the lift Director observed ground conditions are not suitable for safe crane operations, they should contact: - CORRECT ANSWER>>Controlling entity

A _______ should decide the rigging points for an engineered lift are appropriate to ensure a safe lift: - CORRECT ANSWER>>Qualified person The _______Shall ensure a qualified person has been designated lift Director: - CORRECT ANSWER>>Site supervisor The _______ shall determine powerline proximities: - CORRECT ANSWER>>Site supervisor When is it OK to use a swivel on rotation resistant wire rope? - CORRECT ANSWER>>If manufacturer approves What should be done by the crane operator if the LMI malfunctions? - CORRECT ANSWER>>Stop crane operations and report it to the supervisor Can a cranes lifting capacity be lower than its net capacity? - CORRECT ANSWER>>Yes What should be done if the operator cannot see the outriggers for extension? - CORRECT ANSWER>>Use a signal person Name The three ways that two blocking can occur? - CORRECT ANSWER>>extending boom, hoisting or lowering the boom

According to ASME Be 30.5 where should a portable fire extinguisher shall be installed? - CORRECT ANSWER>>In the cab or at the machinery housing Where should the tools be kept on a crane when they're not being used? - CORRECT ANSWER>>Toolbox When replacing a wire rope on a crane you should always come off the: - CORRECT ANSWER>>Top of the reel to the top of the drum To prevent wire rope from coming off the drum, the flange must remain at least _____ inches above the top layer - CORRECT ANSWER>>1/ The term superstructure or upper works referred to: - CORRECT ANSWER>>Above the turntable Which of the following will increase the capacity of the crane? - CORRECT ANSWER>>Boom up What can be used to determine approximately distance for planning a lift or determined tip elevations? - CORRECT ANSWER>>Range diagram Where should the electrocution decals be placed on the crane? - CORRECT ANSWER>>In the cab and on both sides of the crane

According to OSHA 1926.1433, what should be on the crane? - CORRECT ANSWER>>Fire extinguisher The term backward stability means: - CORRECT ANSWER>>The Crane's ability to resist overturning backward Which of the following would create the most concern for backwards stability? - CORRECT ANSWER>>Fully retracted outriggers swung over the side Which of the following would create the most concern for backwards debility? - CORRECT ANSWER>>Low boom angle What is the most important factor when determining the capacity of the jib? - CORRECT ANSWER>>Angle When is it OK to side load the boom of the Crane? - CORRECT ANSWER>>Only when freely suspended loads On a boom truck, what is the normally the strongest quadrant? - CORRECT ANSWER>>Rear What is a temporary alternative measure if the anti-two block is not functioning properly? - CORRECT ANSWER>>Report the deficiency to your supervisor and mark the cable

When should the crane operator check operational aids? - CORRECT ANSWER>>Daily Cranes that have been idle for _____ Months or more must be given a monthly inspection by a qualified person. - CORRECT ANSWER>> The capacity of an extension or jib is normally based on? - CORRECT ANSWER>>Structural strength The Outrigger pad or float must be secured to the stabilizer - CORRECT ANSWER>>True Blocking under the outrigger pads is used for what purpose? - CORRECT ANSWER>>Distribute the weight of the crane and a load over a greater surface area Which of the following statements apply during pick in Carry. - CORRECT ANSWER>>Keep the boom as short as possible When driving a crane under powerlines in transit, the minimum distance is _______ up to 0.75 KV dot - CORRECT ANSWER>> If the crane does come into contact with powerlines, you should: - CORRECT ANSWER>>Remain in the cab and try to disengage Crane from contacts

If it is necessary to leave the Crane after contact with powerlines before they can be de-energized, you should - CORRECT ANSWER>>Jump down then slowly shuffle away or take short jumps with feet together Always maintain at least _______ wraps on the drum unless the manufacturer states otherwise. - CORRECT ANSWER>> The rigging on a personal platform must have a _____1 safety factor. - CORRECT ANSWER>> When the load is________ or more of maximum line pole the operator must test the brakes of the crane by lifting the load a few inches in applying the brakes. - CORRECT ANSWER>> The term running wire rope refers to: - CORRECT ANSWER>>A wire rope that moves over sheaves and drums Defined the term assist Crane - CORRECT ANSWER>>A crane used to assist in assembling and disassembling a crane What must be done to ensure outriggers are in manufacturers specify position? - CORRECT ANSWER>>Beam is pinned or marking shows it is correct configuration The crane must be equipped with an audible signal device horn - CORRECT ANSWER>>True

Frequently inspections are daily to monthly and periodic inspections are monthly to yearly - CORRECT ANSWER>>True If all devices are locked down on the crane it is OK for personnel to pass under the load - CORRECT ANSWER>>False When traveling a mobile crane with two cabs the following short audible signals shall be used - CORRECT ANSWER>>One stop, to go ahead, three back up Define gross capacity - CORRECT ANSWER>>The capacity listed on the load chart for the configuration The capacity of the Crane will _______When counterweight is added - CORRECT ANSWER>>Increase On a Telescoping mobile crane, extending the crawlers tracks will ______ The capacity - CORRECT ANSWER>>Increase If the LMI on a mobile crane has shut down functions in an overload condition, what functions are you able to use - CORRECT ANSWER>>Boom up, lower load, retract boom In order to check the fluid level on a hydraulic crane, the boom should be? - CORRECT ANSWER>>Fully retracted and lowered

Hooks should be removed from service if there is ______ twist - CORRECT ANSWER>>Any Hooks should be removed from service if anywhere exceeds _______ of the original section dimension or as recommended by the manufacturer - CORRECT ANSWER>>10% Hooks should be removed from service if any increase in the throat opening exceeds ________ or as recommended by the manufacturer - CORRECT ANSWER>>5% In order to make sure the correct load chart is being used you should always go by there? - CORRECT ANSWER>>Serial# On a mobile crane, the capacity can be increased by - CORRECT ANSWER>>Booming up The boom angle on telescoping boom crane is ________After the load is lifted - CORRECT ANSWER>>Angle between bottom of the base boom and horizontal The boom angle on lattice boom crane is ________ After the load is lifted - CORRECT ANSWER>>Angle between centerline of boom and horizontal

You should always extend boom sections equally unless the manufacturer states otherwise? - CORRECT ANSWER>>True The big section being extended further would cause what? - CORRECT ANSWER>>Tipping The smaller section being extended further would cause what? - CORRECT ANSWER>>Structural damage What is accurate when measuring boom length? - CORRECT ANSWER>>Measure from hinge pin to center of the boom tip sheaves When setting up a crane equipped with a front stabilizer, the front stabilizer should be put down _____. - CORRECT ANSWER>>Last Net capacity is determined by: - CORRECT ANSWER>>Gross capacity minus all deductions Which of the following would cause the load to be more stable? - CORRECT ANSWER>>Rigging above the center of gravity When must a signal person be used in relations to powerline proximity? - CORRECT ANSWER>>If within boom length of the prohibited zone

Wind blowing can cause backward tipping, side load your boom and increase your low radius - CORRECT ANSWER>>True What can be done to prevent wire rope from unraveling when being cut - CORRECT ANSWER>>Seizing Ground bearing pressure is: - CORRECT ANSWER>>The pressure created by the weight of the crane and the load onto the outriggers What is most important when determine the capacity of the jib? - CORRECT ANSWER>>Angle Running ropes should be removed from service if there are______ randomly distributed broken wires in a lay or______ broken wires in a strand in a lay - CORRECT ANSWER>>6, Rotation resistant ropes should be removed from service if there are______ broken wires and six rope diameters or_____ broken wires in 30 rope diameters - CORRECT ANSWER>>2, According to OSHA, what is the removal criteria for Standard running rope to be taken out of service? - CORRECT ANSWER>>Six broken wires in a lay

Standing ropes should be removed from service if there are more than____ broken wire in a rope Lay at the end connections or more than_____ broken wires in a rope lay Beyond the end connections. - CORRECT ANSWER>>1, What would call for a rotation resistant rope to be taken out of service? - CORRECT ANSWER>>2 Broken wires and 6 rope diameters OSHA requires a distance be maintained from powerline when the voltage is unknown but under 350 KV - CORRECT ANSWER>>20 ft What is minimum distance for a crane operations around powerlines up to 50 KV?

• CORRECT ANSWER>>20ft What is minimum distance for a crane operations around powerlines up to 50 KV?
• CORRECT ANSWER>>6 ft The site supervisor and the lift Director can be the same person? - CORRECT ANSWER>>True No lift must be made on the cranes other hoist when hoisted personnel - CORRECT ANSWER>>True If the cranes operator does not recognize the signal, the operator should - CORRECT ANSWER>>Stop

When lifting a load over the side, the crane operator should use the_______ Chart

• CORRECT ANSWER>>360 degrees chart If using a 1 inch wire rope sling to basket around a 4 inch pipe. What is the DD ratio used for determine how much capacity can be lost - CORRECT ANSWER>>4/ What is the minimum distance for a crane operations around the powerline up to 50 KV? - CORRECT ANSWER>>10 ft What is the minimum distance around powerlines with the boom and transit position while driving under powerlines? - CORRECT ANSWER>>4 ft What is the minimum distance for a crane operations around powerlines that are 720 KV? - CORRECT ANSWER>>35 ft What is the minimum distance around powerlines with boom in transit position while driving under power lines and voltage is 350 KV - CORRECT ANSWER>>16 ft What is the minimum distance for crane operations around powerlines that are 150 KV? - CORRECT ANSWER>>15 ft What is the minimum distance around powerlines with boom in transit positions while driving under powerlines if voltage is 40 KV? - CORRECT ANSWER>>6 ft

What is the minimum distance for crane operations around powerlines that are 800 KV? - CORRECT ANSWER>>45 ft What is the minimum distance around powerlines with boom in transit position while driving under powerlines in voltage is 150 KV? - CORRECT ANSWER>>10 ft When should blocking be used under the outrigger pads of the crane? - CORRECT ANSWER>>When the support surface will not support the crane and load What will happen to the ground bearing pressure if you move a crawler crane from soft ground to harder ground? - CORRECT ANSWER>>It increases When Can the LMI or overload warning system of a crane be bypassed? - CORRECT ANSWER>>Only during assembly and disassembly Who is not allowed in the fall zone according to OSHA 1926 sub part cc? - CORRECT ANSWER>>Qualified rigger What is the function of a holding valve? - CORRECT ANSWER>>Prevents loads on cylinders from dropping and uncontrolled manner What is the maximum angle allowed between two slings on a hook? - CORRECT ANSWER>>

What is the maximum angle allowed between two slings in a shackle? - CORRECT ANSWER>>120 What is the angle allowed to horizontal between two slings on a hook - CORRECT ANSWER>>45 What is the angle allowed to horizontal between two slings in a shackle - CORRECT ANSWER>>30 Where can you find the standard hand signals for mobile crane operation? - CORRECT ANSWER>>OSHA subpart CC Which of the following cannot be done to the hoist line - CORRECT ANSWER>>Splice the hoist line When directing a crane using voice signals, what must the channel being used to be? - CORRECT ANSWER>>Dedicated What signal is arm extended to side and thumb pointing to the ground - CORRECT ANSWER>>Boom down