NCCCO Core Test Questions and Answers: Crane Operation and Safety, Exams of Nursing

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NCCCO CORE TEST QUESTION AND ANSWERS 2025

A frequent

inspection is:

Daily to

monthly

1. What action does a signal person intend the operator to

perform if he extends his arm at shoulder height, makes a fist

with his hand, and sticks his/her thumb up?

Boom

Up

(Appendix A to Subpart CC of Part 1926--Standard Hand

Signals)

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Internet

2. When hoisting personnel, within what percentage of level

must a telescopic boom crane be in order for the gross ratings in

the load chart to remain valid?

%

P a g e 1 |

(1926.1431(c)

(1)

The equipment must be uniformly level, within one percent of

level grade, and located on footing that a qualified person has

determined to be sufficiently firm and

stable.)

3. The load line of the crane you're operating contacts an

energized power line. There's no sign of any other danger, such

as fire. What should you do?

Stay in the cab until the lines are de-

energized.

4. According to OSHA 1926.1413, how many randomly

distributed broken wires in rotation-resistant rope are cause for

replacement of the rope?

2 broken wires in 6 rope

diameters

5. What is the net capacity of a crane on main boom

unless the manufacturer states otherwise?

The capacity listed in the load chart minus the weight of the

rigging and all attachmen

ts

What may happen to a properly rigged load when lifted off

the ground unless the operator takes account of boom

deflection

It could swing out away from the

crane

P a g e 2 |

Who should an operator respond to a "stop"

signal from?

Anyon

e

Which area do truck cranes without a 5th outrigger generally

have no lifting capacity unless the manufacturer states

otherwise?

The

front

What is the definition of "operating

radius?"

The distance from the center of rotation of the crane to the

center of gravity of the

load

What applies to the capacities below the bold line shown on a

load chart?

They are based on the stability of the

crane

In which quadrant are rough terrain crane capacities

generally greater?

Over the

front

P a g e 3 |

According to federal requirements, under what conditions is it

okay for a person to ride the headache ball?

It is never

okay

By what percentage do most manufacturers require a crane's

load chart capacity to be reduced by for duty cycle operations

such as high-volume concrete placement?

%

From which two points should the boom be

measured?

From the boom hinge pins to the center of the boom

tip sheave

What is the preferred method of installing wire rope from a reel

onto a hoist drum?

The rope runs from the top of the reel to the top of

the drum

Over which quadrant are truck crane capacities usually

greater?

Over the

rear.

18. According to OSHA, which accessible area of an operating

crane must always be barricaded?

The swing radius of the rear of the rotating superstructure

P a g e 4 |

What is the OSHA regulation governing cranes in

construction? 1926.

Under which circumstance is a crack in the windshield of a

crane cab okay?

As long as it causes no visible distortion that would interfere

with safe operations

Under which circumstance does OSHA permits hoisting of

personnel by crane?

As long as there is no less hazardous or practicable way

Unless the manufacturer states otherwise, what crane capacity

chart is appropriate when a crane is set up with 3 of its 4

outriggers extended and the fourth is retracted?

On-rubber chart

According to OSHA, while hoisting personnel, the total load

must not exceed what percentage of the crane's rated

capacity?"

50%

P a g e 5 |

When is side loading of crane booms

permitted? Only with freely suspended

loads

What is indicated if an operator makes two audible signals when

moving a crane?

He/she intends to go ahead

When may blocking (cribbing) be placed under outrigger

beams? Never

What is the result of placing timber blocking under the tips of

the tracks on a crawler crane?

Makes the crane more stable

According to ASME, what percentage of the manufacturer's

crane rating must not be exceeded if a load test is done on a

repaired crane?

110%

Where is the tipping axis of a crawler crane located?

It depends if the idler or sprocket are in line or offset from the

track rollers

P a g e 6 |

What should be done with materials placed under overhead

energized power lines?

Not be lifted by crane

Where should the crane's outrigger pads or tracks be placed

when working at ground floor level near a cellar wall?

At least as far back as the depth of the wall below ground

How should the wheels of a crane be positioned when it is

set up for working on outriggers?

Just high enough off the ground to relieve the tires of crane

weight

What happens to ground bearing pressure if you move a

crawler crane from soft ground to harder ground?

It increases

When may a swivel be used with rotation resistant

wire rope? If the rope manufacturer approves

What should you do on pick and carry

operations?

P a g e 7 |

Keep the boom as short as

possible

What boom position would cause the greatest ground pressure

when lifting with crawler cranes?

Over the corner

Where should the hook be positioned when preparing to hoist a

light load? Directly above the load's center of gravity

According to OSHA 1926.1408, what minimum clearance

must be maintained between any part of the crane/load

and 850kV energized overhead power lines.

45 ft.

How many parts of line are required to hoist a 36,500 lb.

load if the maximum allowable line pull is 9,000 lbs.?

What determines the amount of deduction required for an

erected jib that is not being used?

The effective weight of the jib

P a g e 8 |

What capacity should you use when the boom length of the

crane falls between the lengths listed in the load chart?

The next longest or the next shortest boom length, whichever is

the lower capacity

When is it okay to temporarily bypass a crane's overload

warning system? During assembly/disassembly operations

What happens to the leverage of the load on a crane as the

boom is being lowered?

It increases

Where are the Standard Method hand signals

found?

a. OSHA Subpart CC

What should an operator do if a crane's load moment

indicator (LMI) malfunctions?

Cease crane operations and report the condition to the

supervisor

When may a swivel be used with rotation resistant

wire rope?

P a g e 9 |

According to OSHA, while hoisting personnel, the total load

must not exceed what percentage of the crane's rated

capacity?"

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The primary purpose for a rooster sheave or Auxiliary boom point

sheave is to:

Separate the hoist lines

P a g e 10 |

What is the minimum allowable distance from the crane and

power lines under 50k

10 ft.

When an operator leaves the crane, he must first:

ANSI B30.5-3.1.2, Put the load on the ground and put all dogs or

pawls in.

According to OSHA 1926.1431(k)(8)(i) personnel platform lift

shouldn't be made with wind in excess of:

20 MPH

1926.1431(k)(8)(i)

Wind. When wind speed (sustained or gusts) exceeds 20 mph at

the personnel platform, a qualified person must determine if, in

light of the wind conditions, it is not safe to lift personnel.

When operating a crawler crane, what is the most unstable

allowable quadrant of operation

over the side

When should a tagline be

used

P a g e 11 |

When rotation of load would be

dangerous

1926.1417(w)&1910.180(h)(3)(xvi)

A tag or restraint line must be used if necessary to prevent

rotation of the load that would be hazardous.

What is the minimum design factor required for a right

regular lay main, boom or auxiliary hoist rope

How does the operator verify the LMI's boom length or load

radius reading Actual measurements

If the rated capacity of the crane is above the solid line or within

the shaded areas or has an asterisk next to it, this means the

capacity is based on:

The crane capacities in the shaded areas above the bold lines,

are based on structural strength or hydraulic limitations. The

cranes capacities below the bold lines are based on stability

ratings.

What are the inspection criteria for running ropes where broken

wires are concerned?

1926.1413(a)(2)(ii)(A)(1)

Six randomly distributed broken wires in one rope lay or three

broken wires in one strand in one rope lay

P a g e 12 |

What are the inspection criteria for rotation resistant ropes

where broken wires are concerned?

1926.1413(a)(2)(ii)(A)(2)

Two randomly distributed broken wires in six rope

diameters or four randomly distributed broken wires in 30

rope diameters.

What are the inspection criteria for standing or pendant

ropes where broken wires are concerned?

1926.1413(a)(2)(ii)(A)(3)

More than two broken wires in one rope lay located in rope

beyond end connections and/or more than one broken wire in a

rope lay located at an end connection.

A diameter reduction of more than from nominal

diameter. 1926.1413(a)(2)(ii)(B)

5%

In a range diagram, boom length and angle can be used to

determine load radius

If a crane is not set up level, and the operator swings a load

from the high side to the low side, the load radius will

P a g e 13 |

increas

e

Most crane manufacturers reduce load capacity for duty-cycle

operations because:

Side loading, forces may occur

Only approved attachments or extra counterweights

made by the manufacturer should be place on the rear if

the crane because

they could cause a backward stability problem

When working on outriggers, the only time they should be less

than fully extended is when:

there is a load chart for this operation

When working on outriggers, the only time they should be less

than fully extended is when:

there is a load chart for this operation

Backward stability of the crane is tested with:

Basic boom at maximum angle with no load over

the side

P a g e 14 |

When using load capacity charts, what does the term " jib angle

to ground" refer to

Main boom angle minus the jib's offset

When testing a man-basket, how long must the test pick be

maintained 1926.1431(j)(2)

The platform must be lowered by controlled load lowering,

braked, and held in a suspended position for a minimum of five

minutes with the test load evenly distributed on the platform.

All sheaves used in the boom hoist reeving system must have a

rope pitch diameter of not less than times the nominal

diameter of the rope used if rotation resistant rope is used.

1926.1414(e)(4)(ii)(D)

What is the minimum pitch diameter for load hoisting

sheaves not less than 18 times rope diameter

What is the minimum pitch diameter for boom hoisting

sheaves not less than 15 times rope diameter

P a g e 15 |

What is the minimum pitch diameter for load block

sheaves not less than 16 times rope diameter

Outrigger blocking should be at

least 3X pad size

LMI shall be installed on cranes with a lifting

capacity of: 3 tons and above

When lifting personnel, the crane's hook must be the

type that: can be closed and locked

Allowable jib backlash is how

much 5 degrees

Crane must be level within what %

upgrade 1%

P a g e 16 |

A periodic inspection

is: Monthly to

annually

Test loads shall not exceed what % of manufacturer's

load ratings 110%

Cranes idle for more than 6 months must have what inspections

performed Frequent, periodic, and wire rope

T or F; Rotation resistant ropes may be used as boom hoist

reeving when load hoists are used as boom hoists for

attachments such as luffing attachments or boom and mast

attachment systems.

1926.1414(e)(4)

(ii) T

What is the safety factor of rotation resistant rope while lifting

personnel? 10:

P a g e 17 |