NCCCO TEST PREP QUESTIONS AND
ANSWERS
When hoisting personnel within what percentage of level muscle telescopic boom crane
be in order for the girls reading in low chart remain valid? - ANSWER -1%
What is the net capacity of a crane unless the manufacturer states otherwise? -
ANSWER -The capacity listed in a low chart, minimize the weight of the rigging and all
attachment
What may happen to a properly reload when lift off the ground unless operator takes
account of boom deflection? - ANSWER -It could swing out away from the crane
Who should've operator respond to a "stop" signal from? - ANSWER -Anyone
Which area do truck cranes without a 5th outrigger generally have no lifting capacity
unless the manufacturer states otherwise? - ANSWER -front
According to federal requirements, under what conditions is it okay for a person to ride
the headache ball? - ANSWER -never
What percentage do most manufacturers require a cranes load charge capacity to be
reduced for duty cycle operation such as high volume concrete placement - ANSWER -
20%
What should an operator do if a crane load moment indicator malfunction? - ANSWER -
Cease crane operation, and report the condition to the supervisor
Where are the standard method hand signals found? - ANSWER -ASME B30.R.
What happens to the leverage of the load on crane as the boom is being lowered? -
ANSWER -Increases
When is it OK to temporarily bypass the cranes overload warning system? - ANSWER -
During assembly and disassembly operation
What capacity should you use when the boom length of the crane falls between the
length listed in the low chart? - ANSWER -A length estimated between the length in the
charts
What action does signal person intends to operator to perform if he extends his arm and
shoulder height, makes a fist his hand, and sticks his or her thumb up? - ANSWER -
Boom up
, From which two point should the boom be measured? - ANSWER -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? -
ANSWER -The rope runs from the top of the Rio to the top of the drum
Over rich Quadrant our truck cranes, capacities, usually greater? - ANSWER -Over the
rear
according to OSHA, which assessable area of an operating crane must be barricaded? -
ANSWER -Swing radius of the rear of the rotating structure
What is OSHA's regulation governing cranes in construction? - ANSWER -1926.1400
Under which circumstances is a crack in the windshield of a crane cab is okay? -
ANSWER -If it's cause on no visible distortion that would interfere with safe operations
Under which circumstances does OSHA permit hoisting personnel by crane? -
ANSWER -As long as there is no less hazardous or practicable way
Unless it manufactures this states otherwise what crane capacity chart is appropriate
when a crane is set up with three of its were outriggers extended and the fourth is
retracted? - ANSWER -On rubber chart
According to OSHA, while hosting personnel, the total load must not exceed what
percentage of the crane rate capacity? - ANSWER -50%
When is side loading of crane booms permitted? - ANSWER -Only with freely
suspended loads
What is indicated if an operator makes two audible signals when moving crane? -
ANSWER -He/she intends to go ahead
When may blocking (cribbing) be placed under outrigger beams on mobile cranes? -
ANSWER -Never approved
What is the results of placing timber blocking under the tip of tracks on a chronic crane?
- ANSWER -Makes the crane more stable
According to ASME, what percentage of the manufacturer screen rating must not be
exceeded if a low test is done on a repaired crane? - ANSWER -110%
Where is the tipping axis of a crawl crane located? - ANSWER -It depends on if the
order or sprocket are in line or offset from the truck roller
ANSWERS
When hoisting personnel within what percentage of level muscle telescopic boom crane
be in order for the girls reading in low chart remain valid? - ANSWER -1%
What is the net capacity of a crane unless the manufacturer states otherwise? -
ANSWER -The capacity listed in a low chart, minimize the weight of the rigging and all
attachment
What may happen to a properly reload when lift off the ground unless operator takes
account of boom deflection? - ANSWER -It could swing out away from the crane
Who should've operator respond to a "stop" signal from? - ANSWER -Anyone
Which area do truck cranes without a 5th outrigger generally have no lifting capacity
unless the manufacturer states otherwise? - ANSWER -front
According to federal requirements, under what conditions is it okay for a person to ride
the headache ball? - ANSWER -never
What percentage do most manufacturers require a cranes load charge capacity to be
reduced for duty cycle operation such as high volume concrete placement - ANSWER -
20%
What should an operator do if a crane load moment indicator malfunction? - ANSWER -
Cease crane operation, and report the condition to the supervisor
Where are the standard method hand signals found? - ANSWER -ASME B30.R.
What happens to the leverage of the load on crane as the boom is being lowered? -
ANSWER -Increases
When is it OK to temporarily bypass the cranes overload warning system? - ANSWER -
During assembly and disassembly operation
What capacity should you use when the boom length of the crane falls between the
length listed in the low chart? - ANSWER -A length estimated between the length in the
charts
What action does signal person intends to operator to perform if he extends his arm and
shoulder height, makes a fist his hand, and sticks his or her thumb up? - ANSWER -
Boom up
, From which two point should the boom be measured? - ANSWER -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? -
ANSWER -The rope runs from the top of the Rio to the top of the drum
Over rich Quadrant our truck cranes, capacities, usually greater? - ANSWER -Over the
rear
according to OSHA, which assessable area of an operating crane must be barricaded? -
ANSWER -Swing radius of the rear of the rotating structure
What is OSHA's regulation governing cranes in construction? - ANSWER -1926.1400
Under which circumstances is a crack in the windshield of a crane cab is okay? -
ANSWER -If it's cause on no visible distortion that would interfere with safe operations
Under which circumstances does OSHA permit hoisting personnel by crane? -
ANSWER -As long as there is no less hazardous or practicable way
Unless it manufactures this states otherwise what crane capacity chart is appropriate
when a crane is set up with three of its were outriggers extended and the fourth is
retracted? - ANSWER -On rubber chart
According to OSHA, while hosting personnel, the total load must not exceed what
percentage of the crane rate capacity? - ANSWER -50%
When is side loading of crane booms permitted? - ANSWER -Only with freely
suspended loads
What is indicated if an operator makes two audible signals when moving crane? -
ANSWER -He/she intends to go ahead
When may blocking (cribbing) be placed under outrigger beams on mobile cranes? -
ANSWER -Never approved
What is the results of placing timber blocking under the tip of tracks on a chronic crane?
- ANSWER -Makes the crane more stable
According to ASME, what percentage of the manufacturer screen rating must not be
exceeded if a low test is done on a repaired crane? - ANSWER -110%
Where is the tipping axis of a crawl crane located? - ANSWER -It depends on if the
order or sprocket are in line or offset from the truck roller
