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NCCCO PREP FINAL EXAM UPDATEDB QUESTIONS
& COMPLETE ANSWERS ALREADY GRADED A+
To provide protection in the cranes work area, barriers MUST be erected in accessible areas; -
CORRECT ANSWER >>> Within the equipment's rotating structure
All of the following can cause a two-block condition except: - CORRECT ANSWER >>> Raising
the boom
When rotation of load may be hazardous, the operator must -^ CORRECT ANSWER
>>> Ensure tag line is used
According to OSHA 1926 Subpart cc, which of the following individuals is not allowed within the
fall zone? - CORRECT ANSWER >>> Qualified evaluator
The term that is used to define the load plus all rigging components, hooks, blocks and lifting
equipment is: - CORRECT ANSWER >>> Gross load
According to OSHA 1926 Subpart CC, the minimum distance that must be maintained between a
working crane, load or load line and an 8kV power line is: - CORRECT ANSWER >>> 10ft
What is the sum of the following deductions? Block 1250lbs, Rigging 23lbs, Spreader beam
350lbs - CORRECT ANSWER >>> 1623lbs
When a crane is set up to close to a new building, expect the ground to be: - CORRECT
ANSWER >>> Soft
A vertical basket hitch is rated at what percentage of a vertical hitch? -^ CORRECT ANSWER
When is the hoist line on top of the boom considered part of the load? - CORRECT ANSWER
>>> It is not considered
When a heavy load is lifted, what is the result? - CORRECT ANSWER >>> Boom deflection
According to OSHA 1926 Subpart CC, for cranes traveling with no load, what is the minimum
clearance for energized power lines at 40kV? - CORRECT ANSWER >>> 6ft
Wich of the following rigging configurations is listed in order of the strongest to weakest? -
CORRECT ANSWER >>> Basket, Vertical, Choker
According to OSHA 1926 Subpart CC, how many randomly distributed broken wires in rotation
resistant wire rope are cause for replacement? - CORRECT ANSWER >>> 2 broken wires in 6
rope diameters
What site conditions must an operator be concerned about prior to setting up a crane? -
CORRECT ANSWER >>> Soil stability must be sufficient
The best way to determine the weight of load to be lifted is to: -^ CORRECT ANSWER
>>> Have certified load weight and add in the weight of all the rigging
The main reason for using timber blocking or mats under the outrigger pad or crawlers is to: -
CORRECT ANSWER >>> Decrease the applied ground pressure
Load capacities listed on charts are considered to be what type of load? - CORRECT
ANSWER >>> Static
According to OSHA 1926 Subpart CC, an operator is required to have a physical every: -
CORRECT ANSWER >>> 3 years
Weights of load handling devices, such as load blocks ropes and links are: - CORRECT
ANSWER >>> Considered part of the load
A load applied at an angle to the vertical plane of the boom is: -^ CORRECT ANSWER^ >>> Side
loading
Wire rope lubrication should not: - CORRECT ANSWER >>> Hinder visual inspection
The load radius is the horizontal distance from the centerline of rotation to the centerline of the
vertical hoist line with: - CORRECT ANSWER >>> The load suspended
Which of the following indicates core failure in rotation resistant rope? - CORRECT
ANSWER >>> Diameter reduction
Load chart capacities apply when load line is: - CORRECT ANSWER >>> Vertical
What should be of major concern when considering the supporting surface? - CORRECT
ANSWER >>> Voids, tanks, loose fill
According to ASME B30.5, two audible signals made by crane operator mean: - CORRECT
ANSWER >>> Go forward
When operating with a fixed jib, its primary purpose is to: -^ CORRECT ANSWER^ >>> Increase
height/reach of load to be lifted
What is 86,778 ÷ 9 - CORRECT ANSWER >>> 9,
An example of duty cycle operations would be: - CORRECT ANSWER >>> High volume
concrete placement
If the capacity of a synthetic sling is not legible on the sling, the user should: - CORRECT
ANSWER >>> Not use the sling
A cranes net capacity is the: - CORRECT ANSWER >>> Manufacturers load rating chart minus
all deductions
When using a two-legged bridle with a sling angle of 30- degrees it - CORRECT ANSWER
>>> will increase sling tension
How can the crane operator verify that the radius indicator on the crane is accurate? -
CORRECT ANSWER >>> By actual measurements
Gross capacity is 10,100lbs., and total deductions are 7,832lbs, what is the net capacity? -
CORRECT ANSWER >>> 2,
Rapid hoist acceleration: - CORRECT ANSWER >>> Produces hook loads higher than actual
weight
When giving voice signals, what element is given first? - CORRECT ANSWER >>> Function &
Direction
Rigging equipment must be inspected: - CORRECT ANSWER >>> Prior to use
When calculating a cranes net capacity, if the rating listed in the capacity is greater than the
permissible line pull of the wire rope you should: - CORRECT ANSWER >>> Use the
permissible line pull of the wire rope and then make deductions According to OSHA 1926 Subpart CC, when employees are engaged in hooking, unhooking, and
guiding the load in the fall zone, what type of hook must be used? -^ CORRECT ANSWER
>>> Hooks with a self-closing latch
Drum rotation indicators in the crane will tell the operator: -^ CORRECT ANSWER
>>> Direction and speed of hoist drum
According to OSHA 1926 Subpart CC, power line warnings must be: -^ CORRECT ANSWER
>>> Visible in operators cab and outside of the crane
The use of equipment to hoist employees is prohibited except where the employer
demonstrates that: - CORRECT ANSWER >>> Other methods would be more hazardous
What is the minimum sheave size required for lower load blocks using rotation resistant wire
rope? - CORRECT ANSWER >>> 16 times the nominal diameter of the rope used
According to OSHA 1926 Subpart CC, for power lines that are below 350kV, but the exact voltage
is unknown, what is the minimum clearance distance required for crane operations -
CORRECT ANSWER >>> 20 feet
A right regular lay running rope should be replaced when it has: -^ CORRECT ANSWER^ >>>^3
or more broken wires in one strand in one lay
When the measured boom angle is in between values listed in the load chart: - CORRECT
ANSWER >>> Use the listed rating for the next lower boom angle
The capacity of a vertical hitch is: - CORRECT ANSWER >>> Greater than a choker hitch
Nylon slings are not recommended around: - CORRECT ANSWER >>> Acids
A basket hitch is formed when a sling is: - CORRECT ANSWER >>> Wrapped around an object
with both eyes of the sling in the hook
A mobile cranes rated capacity, as listed in a load chart is based on either structural limits or: -
CORRECT ANSWER >>> Stability
When using the load line to level a crane, with a crane 1% out of level, and the boom tip height
is 100' the line would be about: - CORRECT ANSWER >>> 12" off center
What is meant by the term "two-blocking"? - CORRECT ANSWER >>> Contact of the
headache ball or load block with boom tip
Who is responsible when determining that the power lines are de-energized? - CORRECT
ANSWER >>> Controlling entity
Who is responsible to know the and follow manufacturer specified procedures for
assembly/disassembley of the crane? - CORRECT ANSWER >>> A/D director
According to OSHA 1926 Subpart CC, who has the responsibility of ensuring that the area needed to support the crane has been prepared adequately before crane operations comence?
- CORRECT ANSWER >>> Controlling entity
What action is most likely to cause a structural failure? - CORRECT ANSWER >>> Side
loading According to OSHA 1926 Subpart CC, for cranes manufactured after November 8th, 2011, under
what condition is a hoist drum rotation indicator required? -^ CORRECT ANSWER^ >>> When
hoist drum is not visible to the operator
What should you use to protect slings from sharp corners? - CORRECT ANSWER >>> Split
steel pipe sections According to OSHA 1926 Subpart CC, what option provides guidance for an operator when a
radius indicator becomes inoperative? - CORRECT ANSWER >>> Must measure radius
When hook supported personnel platforms are lifted with a telescope crane: - CORRECT
ANSWER >>> An anti-two block device shall be provided
When using a telescope crane equipped with a anti-two block device, which hydraulic functions
are disabled when devices is activated? - CORRECT ANSWER >>> Hoist, extend and lower
the boom
The safest maximum speed for a crane performing a pick and carry operation is: - CORRECT
ANSWER >>> The manufacturers recommended speed limit
The term Luffing jib refers to an attachment that: - CORRECT ANSWER >>> can change
radius independent of the main boom
What item is permissible to be removed from carrydeck crane? -^ CORRECT ANSWER
>>> Boom extension
While performing a pick and carry operation, what precautions should be taken? - CORRECT
ANSWER >>> Have boom in line with the direction of travel
When do outrigger floats/pads need to fastened to the outrigger -^ CORRECT ANSWER
>>> When the crane is set up for a lift
When operating a telescopic boom crane, two blocking can be caused by: - CORRECT
ANSWER >>> extending the boom without lowering the load block
