NCCCO Core Exam: Crane Safety and Operation Guide 2025, Exams of Nursing

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NCCCO CORE EXAM QESTIONS AND ANSWERS 2025

If taking sides strain on a boom what concerns the

operator

the most A- NSWER >>>>Boom

damage

If a crane load chart has capacities listed in the

shaded area

this means thatA - N SWER >>>>If overloaded

structural

confidence will be compromised

As the layers of rope on a drum increase the

allowable line

Pull wil - ANSWER

Decrease

Of the following actions which one will most likely

cause a

side load conditionA - N SWER>>>>Abruptly

starting or stopping the swing

Cording to OSHA with any hook ball or

attachment at its lowest point a minimum of

blankdrum atreps al l musttime s -AremainNSWER on the

What is the minimum distance of crane must

maintain from

powerlines rated below 50 KVAN - S WER >>>>

feet

What is the best procedures to follow if underground

utilities

are present A- NSWER >>>>Contact utility

company

For boom is reeves eccentrically to the block

thecommon most result would beAN - S WER >>>>Twisting of

the boom

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37

What is the safety factor for 6 x 19 IWRC wire

rope -

ANSWER >>>> 3.

What is the safety factor for rotation resistor

wire rope -

ANSWER >>>>

What is the safety factor for rigging ANSWER

hardware -

What is the safety factor one hoisting personnel

using IWRC

wire Rope - ANSWER

What is the safety factor hoisting personnel using

rotation

resistance wire rope -ANSWER

Unless the manufacturer states otherwise the wind

speedseize hoisting to Shall beA - N SWER >>>>

mph

When hoisting personnel OSHA requires wind speed

not to

exceed - ANS WER>>>>

mph

Who has the responsibility of determining the

correct weight

of the load ANSW- ER

Supervisor

When an operator leave there a crane they

must -

ANSWER

Land load engage all locks and Pawls and lock

machine

When is it safe to work closer than alarm for distance

from

any powerline ANSW - ER>>>>When the utility

company

certifies that the lines are D energized

When operating a crawler crane what is the most

unstable

allowable quadrant of operationAN S-WER

Side

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37

three broken wires and one strand of one lay

length

When arriving first on the job site the operator

should first

ANSWER

determine the condition of the - >>>>Access

roads

Basket hitch is rated of a vertical hitch ANSW - ER

How many broken wires must be present in one

strand of one lay for running wire rope to be

removedANSWER >from>> service -

How many broken wires must be present in rotation

resistant

ANSWER

wire rope to be removed from service - >>>>2 in

six diameters

What is the minimum clearance needed between

cranescounterweight and any obstacleAN S- WER >>>>

feet

To restrict access to a crane swing radius the

operator must -

ANSWER >>>>Barricade the area around the

crane

You should always have at least how many wraps on

A hoist

drum - ANSWER

When working around powerlines you

must -

ANSWER

Never stockpile material under

powerlines Maintain the correct distance

according to the rated KV Ground the crane

with the proper grounding cable

Boom angle is best described as AN - SW ER>>>>The

angle

between the loaded boom and the

horizontal

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What is the best procedure to follow when

underground

ANSWER

utilities may be present - >>>>Contact local

utility company

When using cable or nylon spreaders it is

important toremember A- NSWER>>>>The lower the spreader

angle the

greater the tension

When is spinning load presents a danger the

operator should

• ANSWER >>>>Use a

tagline

Parts of line

means -

ANSWER >>>>The number of

lines

running through the load block

A sudden start or stop while operating a crane

produces -

ANSWER >>>>A dynamic

load

What percent of a cranes rated capacity is it

classified as a

critical lift A-NSWER

During disassembly of a long boom the hog lines are

connected on a maximum cantilever point and the

boom is slightly lifted off the ground which pins are to

be removed next

• ANSWER>>>>The bottom pins ahead of the

cantilever

point

If you were to make a left using a four legged bridle

how many

legs are you going to calculate the loadANS - WER

According to OSHA all cranes equipped with a luffing

jib must

have - ANSW ER>>>>Check

valve

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Controls for operating a superstructure mounted

power plant

shall include all of the following

except -

ANSWER

Means to shut off two cycle diesel engines in

emergency

ANSWER

Forces on a cranes hand lever Shall not

exceed -

35 lbs

ANSWER

Forces on a cranes Foot pedal shall not

exceed -

50 pounds

The travel distance on a cranes two way lever

must not

exceed from the neutral positionAN SW- ER >>>>

inches

The travel distance on a cranes one-way lever

mustexceed not from the neutral positionAN SW- ER >>>>

inches

Frequent inspection occurs ANSW - ER >>>>Every

shift

ANSWER

Frequent inspection should be

performed by -

Competent person

ANSWER

Periodic inspection occurs -

Weekly to monthly

When using single saddle or U bolt type clips the

saddle shall

NEVER be installed onA - N SWER >>>>The live

end

The pitch diameters for boom hoist sheaves shall not

exceed -

ANSWER >>>>

Pitch diameter load hoist sheave shall not ANSWER

exceed -

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Pitch diameters for load block sheaves shall not

exceed -

ANSWER >>>>

Prior to leaving a crane unattended the

operator shall -

ANSWER >>>>Land load or

attachment

Disengage master clutch

Turn off engine secure from

authorized use

Before lifting a rated load the operator

shall -

ANSWER

Left the load a few inches off the ground and

apply the brake

When performing a pic with a truck crane on

outriggers the

tires must beANSW - ER >>>>High enough to relieve

themthe cranes of weight

When blocking on the outrigger float the cribbing

Shall be -

ANSWER >>>>Sufficient to support the crane and

its load

When a crane is being used to lift personnel and

inspection of

the crane should be madeANSW - ER

Frequently

When using audible signal is one signal would

indicateANSWER - >>>>St

op

Two audible

signals -

ANSWER >>>>Go

ahead

Three audible signals ANSW - ER >>>>Go

back

A crane must stay at least from energize powerlines

underAN 50 SWER

Kv - >>>>

feet

P a g e 8 | 37

0

Over 50 to 200

kV -

ANSWER >>>>

Over 200 to 350

KV -

ANSWER

Over 350 to

500KV -

ANSWE

R

Over 500 to 750

KV -

ANSWER >>>>

Over 750 to 1000Kv A - NSWER

If operating a crane in proximity of power lines over

1000 V

ANSWER

what is the minimum clearance -

Determined by the utility company

During hoisting operations in proximity of

powerlineslines and rigging all tag should be ANS - WER

Synthetic

Powerlines or presumed energized

unless -

ANSWER

The utility companies certifies the lines are D

energized and they are visibly grounded

Up to. 75 kv A-NSWER

Over. 75 to 50 Kv A - NSWER

Over 50 Kv to 345 Kv ANS - WER

Over 345 kvvolts to 750 kV AN - S WER >>>>

feet

ANSWER

750 kV to 1000 kV - >>>>

feet

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37

1

What type of inspection requires no

documentation -

ANSWER >>>>S

hift

During what inspection classification does

inspection of

ground conditions take placeANSW - ER

Shift

ANSWER

I frequent inspection is made -

Weekly to monthly

A periodic inspection is made ANSW - ER

Monthly to annually

ANSWER

A shift inspection must be completed -

Before the end of shift

What inspection classification requires disassembly of

aas necessary crane ANSW- ER

Annual/comprehensive

Equipment idle for more than three months must

have an inspection performed in accordance with

classificationANSWER >>>>Mont -

hly

Documentation of the annual/comprehensive

inspectionbe retained must for a minimum ANSWof - ER >>>>One

year

Hooks with locks and latches must be used

except when setting wooden trusses in such

situationANSWER can>>>>J be used -

hook

When is used to have a crane to hoist personal

permittedANSWER -

When there is no other

Safeway

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37

3

Hooks must be discarded if a twist of more than what

is found

- ANSWER

When performing duty cycle work the rule of

thumb is to -

ANSWER >>>>Use 80% of the manufacturers

load chart

When assembling a lattice boom crane in what order

shouldboom sections be installedAN - SWER >>>>Shortest

closest to boom base

When extending bloom sections on a hydraulic

crane you

should - A NSWER >>>>Extend all the sections

equally

When assembling a lattice boom on a truck crane

the outriggers must be fully extended and the

boom placed -

ANSWER >>>>Over the quadrant of maximum

stability

When handling boom sections what type of sling is

preferred -

ANSWER >>>>Synth

etic

The distance it takes a strand to make a complete

revolution

around its core is referred to asAN - S WER >>>>Lay

length

How many random broken wires must be present for

running

ANSWER

route to be removed from service - >>>>Six In

one lay

How many broken wires and one strand of one lay

must be

present for removalANS - WER

Three

What is the minimum number of broken wires must be

present

and standing rope to warrant ANSWER

removal -

Two////One is allowed

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37

4

How many broken wires are permitted at and end

connection

of a pendant line -ANSWER

How many broken wires present in rotation resistant

wire rope

warrant removalA - N SWER >>>>Two in six

diameters

ANSWER

What is the safety factor for running

rope -

What is the safety factor for rigging ANS - WER

What is the safety factor for rotation resistant

wire rope -

ANSWER >>>>

In order of hitch strength goes as ANSWER

follows -

Basket vertical choker

Can a crane's roof serve as a workstation for

rigging or

assembly/disassembly or maintenanceANS - WER

Only

if it has the capability of supporting 250 pounds

A load applied at an angle to the vertical plane of the

boom is

referred to as ANSW- ER >>>>Side load///// when

you pick

some thing not being directly over the Center of the

load

The drum flange shall not extend a minimum of what

from the

top layer of rope - AN SWER>>>>Half an

inch

Boom hoist sheaves shall have a minimum pitch

diameter of -

ANSWER >>>>15 times rope

diameter

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37

6

Load rating charts are based on a percentage of

the loads which produce a tipping condition and

the least stable

direction the percentage is watt for a truck ANSWER

crane -

A standard hand signal chart must be posted

conspicuously at

ANSWER

the job site the ideal spot for the chart is -

On the crane

If the crane manufacturer does not specify what

order and

which boom sections are to be

assembled -

ANSWER

Smallest sections are closer to the

boom base

Boom connecting pins should be ANSWER

installed -

From the inside out

ANSWER

Personal hoisting by a crane is permitted

when -

No other safe means are available

Cranes lifting personal platforms must ANSWER

have -

Anti-two block

What is not permitted to be in an occupied

personnelANSWER >>>>Construction hoist -

materials

Tools and materials in an occupied personnel

basket -

ANSWER >>>>Must be

secured

When rigging personal platforms using a wire rope

bridal -

ANSWER >>>>A link must be used to ensure the

load is

divided

evenly

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37

7

ANSWER

Bridals and rigging used for personal

hoisting -

Can only be used for personal

hoistingThe ground pressure under outriggers is higher than

it is under a crawler track because of a smaller

bearingANSWER surface >>>>Tr -

ue

Deflection of the boom and pendant stretch will

increase -

ANSWER >>>>Load

radius

Within what percentage of level does a telescopic

boom crane have to be for the gross ratings in the

load chart to remain

valid - ANSWER

The load line of the crane you're operating comes into

contact with an energize powerlines there's no sign

of any other dangers such as fire and such situation

you should -

ANSWER >>>>Stay in the cab until the lines are D

energized

Unless the operator takes a count of boom

deflection when

ANSWER

lifted off the ground a properly rigged

load may -

Swingout away from the crane

According to be 30.5 mobile crane standard it's OK

for an operator to leave the cab of a crane with the

engineso long runningas AN- SWER >>>>The operator keeps the

crane in

view and restricts access to the area around the

crane

Unless the manufacturer states otherwise truck

cranes

ANSWER

generally have no lifting capacity over

which area -

front

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37

9

When setting a crane up on outriggers the

wheels of the

crane should ANSW- ER >>>>be just high enough

off the

ground to relieve the tires of crane

weight

ANSWER

On pick and carry operations you

should -

Keep the boom as short as

possibleOn a crawler crane ground bearing pressure is

greatest -

ANSWER >>>>Over the

corner

When preparing to hoist a light load the hook

should be

positioned ANSW- ER>>>>Directly above the loads

center of gravity

It's OK to temporary bypass a cranes overload

warning

system -A NSWER >>>>During

assembly/disassembly

operations

On a crawler crane the part of the low charge

governed by stability is based on what percentage

of its capacity -

ANSWER >>>> 7

When the boom length of the crane falls between the

lengths listed in the load chart you should use the

next capacity listed

for - A NSWER>>>>The next longest boom

length

A Jibbs offset is the Jibbs angle to the AN - SWER

Boom

All hazards and potential problems should be

discovered -

ANSWER >>>>Pre-operational work site

inspection

What was the result of boom ANSWER

deflection be -

Increased Boom radius

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37

0

When a crane is out of level by 1° it will lose the most

capacity

ANSWER

at what configuration - >>>>Long boom

minimum radius

What is the purpose of using a spreader ANSWER

beam -

Support long hard to control loads

Which of the following actions is most likely to

cause two

blocking -AN SWER >>>>Telescoping the

boom out

When is it safe to handle loads under

powerlines -

ANSWER

The load know where any part of the crane

can come closer than regulations allow

When working your power lines tag lines and slings

should be

constructed ofANSW - ER>>>>Probably

propylenepolyethylene or and webbing because they offer a fair

insulating properties

When reading a load chart the listed capacity has an

Asterix

next to it this meansANSW - ER >>>>The

capacities are

based on the cranes structural

competence

Pick can be made with the intermediate

outriggers -

ANSWER

If there is a load chart for intermediate

Outrigger work

The main boom angle minus the gym offset would

equal -

ANSWER >>>>Jib angle to the

ground

ANSWER

You can use the range diagram to

determine the -

Radius of unloaded boom

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