HOSMERIT
NCCCO CORE EXAM 2023-2024 ACTUAL
EXAM QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) GRADED
A+
If taking sides strain on a boom what concerns the operator the most - Answer- Boom
damage
If a crane load chart has capacities listed in the shaded area this means that - Answer-
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 condition - Answer-
Abruptly starting or stopping the swing
Cording to OSHA with any hook ball or attachment at its lowest point a minimum of
blank reps must remain on the drum at all times - Answer- 2
What is the minimum distance of crane must maintain from powerlines rated below 50
KV - Answer- 10 feet
What is the best procedures to follow if underground utilities are present - Answer-
Contact utility company
For boom is reeves eccentrically to the block the most common result would be -
Answer- Twisting of the boom
What is the safety factor for 6 x 19 IWRC wire rope - Answer- 3.5-1 What is the safety
factor for rotation resistor wire rope - Answer- 5-1 What is the safety factor for rigging
hardware - Answer- 5-1
What is the safety factor one hoisting personnel using IWRC wire Rope - Answer- 7-1
,What is the safety factor hoisting personnel using rotation resistance wire rope -
Answer- 10-1
Unless the manufacturer states otherwise the wind speed to seize hoisting Shall be -
Answer- 30 mph
When hoisting personnel OSHA requires wind speed not to exceed - Answer- 20 mph
Who has the responsibility of determining the correct weight of the load - Answer-
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 - Answer-
When the utility company certifies that the lines are D energized
When operating a crawler crane what is the most unstable allowable quadrant of
operation - Answer- Side
What is not a good location for crane set up - Answer- Above utilities
If an operator arrives at a job site and the crane is already set up how would he checked
the main an auxiliary breaks - Answer- Left the load a few inches off the ground and test
the brakes
Tipping capacities for crawler cranes are based on - Answer- 75%
The term load radius is best defined as - Answer- The distance from the center of
rotation of the crane to the center of gravity of the suspended load
Should the load be applied when determining the proper boom angle - Answer- Yes
When telescoping the boom section of a rubber tire which section should be telescoped
first - Answer- All sections should be telescoped equally
, Hooks must be discarded if a twist more than is found - Answer- 0 degrees Hooks must
be discarded if a throat opening of more than is found - Answer- 5°
Wire rope must be removed from service if any of the following conditions exist -
Answer- Sixrandomly distributed broken wires
Wear of more than 1/3 of the outside diameter three broken wires and one strand of one
lay length
When arriving first on the job site the operator should first determine the condition of the
- Answer- Access roads
Basket hitch is rated of a vertical hitch - Answer- 200%
How many broken wires must be present in one strand of one lay for running wire rope
to be removed from service - Answer- 3
How many broken wires must be present in rotation resistant wire rope to be removed
from service - Answer- 2 in six diameters
What is the minimum clearance needed between cranes counterweight and any
obstacle - Answer- 2 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- 2When
working around powerlines you must - Answer-
Never stockpile material under power lines
Maintain the correct distance according to the rated KV Ground the crane with the proper
grounding cable
Boom angle is best described as - Answer- The angle between the loaded boom and
the horizontal
NCCCO CORE EXAM 2023-2024 ACTUAL
EXAM QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) GRADED
A+
If taking sides strain on a boom what concerns the operator the most - Answer- Boom
damage
If a crane load chart has capacities listed in the shaded area this means that - Answer-
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 condition - Answer-
Abruptly starting or stopping the swing
Cording to OSHA with any hook ball or attachment at its lowest point a minimum of
blank reps must remain on the drum at all times - Answer- 2
What is the minimum distance of crane must maintain from powerlines rated below 50
KV - Answer- 10 feet
What is the best procedures to follow if underground utilities are present - Answer-
Contact utility company
For boom is reeves eccentrically to the block the most common result would be -
Answer- Twisting of the boom
What is the safety factor for 6 x 19 IWRC wire rope - Answer- 3.5-1 What is the safety
factor for rotation resistor wire rope - Answer- 5-1 What is the safety factor for rigging
hardware - Answer- 5-1
What is the safety factor one hoisting personnel using IWRC wire Rope - Answer- 7-1
,What is the safety factor hoisting personnel using rotation resistance wire rope -
Answer- 10-1
Unless the manufacturer states otherwise the wind speed to seize hoisting Shall be -
Answer- 30 mph
When hoisting personnel OSHA requires wind speed not to exceed - Answer- 20 mph
Who has the responsibility of determining the correct weight of the load - Answer-
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 - Answer-
When the utility company certifies that the lines are D energized
When operating a crawler crane what is the most unstable allowable quadrant of
operation - Answer- Side
What is not a good location for crane set up - Answer- Above utilities
If an operator arrives at a job site and the crane is already set up how would he checked
the main an auxiliary breaks - Answer- Left the load a few inches off the ground and test
the brakes
Tipping capacities for crawler cranes are based on - Answer- 75%
The term load radius is best defined as - Answer- The distance from the center of
rotation of the crane to the center of gravity of the suspended load
Should the load be applied when determining the proper boom angle - Answer- Yes
When telescoping the boom section of a rubber tire which section should be telescoped
first - Answer- All sections should be telescoped equally
, Hooks must be discarded if a twist more than is found - Answer- 0 degrees Hooks must
be discarded if a throat opening of more than is found - Answer- 5°
Wire rope must be removed from service if any of the following conditions exist -
Answer- Sixrandomly distributed broken wires
Wear of more than 1/3 of the outside diameter three broken wires and one strand of one
lay length
When arriving first on the job site the operator should first determine the condition of the
- Answer- Access roads
Basket hitch is rated of a vertical hitch - Answer- 200%
How many broken wires must be present in one strand of one lay for running wire rope
to be removed from service - Answer- 3
How many broken wires must be present in rotation resistant wire rope to be removed
from service - Answer- 2 in six diameters
What is the minimum clearance needed between cranes counterweight and any
obstacle - Answer- 2 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- 2When
working around powerlines you must - Answer-
Never stockpile material under power lines
Maintain the correct distance according to the rated KV Ground the crane with the proper
grounding cable
Boom angle is best described as - Answer- The angle between the loaded boom and
the horizontal
