NCCCO TOWER CRANE FINAL EXAM 2024/2025 ACTUAL
COMPLETE 150 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+.
How much does an average cubic yard of concrete weight -
ANSWER -4,000 lbs
Main power switch for tower crane is - ANSWER -At base of
crane
According to OSHA 1926.753 what is the minimum distance
between pieces during Christmas tree operations - ANSWER -7ft
According to OSHA 1926-753 all hooks used with be equipped
with
___________ latches - ANSWER -Self - Closing
According to OSHA 1926-753 a "Critical Lift" means a lift that
exceeds __________ percent of the rated capacity of the crane or
derrick or requires the use of more than one crane or derrick -
ANSWER -75
What is the OSHA regulation dealing with Steel Erection -
ANSWER -1925.753
,According to OSHA 1926-753 components of the multiple lift
rigging assembly shall be specifically designed and assembled
with a maximum capacity for total assembly and for each
individual attachment point. this capacity, certified by the
manufacturer or a qualified rigger shall be based on the
manufacturer's specifications with a _______ to 1 safety factor
for all components - ANSWER -5
What is the proper procedure when using an insulating link or a
boot near power lines - ANSWER -Be sure to maintain the
correct allowable distance from the lines
According to ASME B30.3 a periodic inspection shall be
performed by a/an - ANSWER -Appointed person
According to sheet C in the tower crane configuration manual
how many B type blocks are required on layer 2? The hook
radius is 164 feet you have 7 tower sections and the guide
section is on the crane - ANSWER -4
Central ballast blocks must be distributed around the tower base
- ANSWER Equally
, According to the Tower Crane Reference Manual how often
should the hoist wire rope be lubricated - ANSWER -200 hours of
operatin
According to the Tower Crane Reference Manual using the twist
free wire rope the twist compensator should generally be -
ANSWER -Open
Tower Crane Load hooks must be inspected each time crane is
erected or once every - ANSWER -Year
When installing a wedge socket with wire rope how long should
the tail length of the dead end be using standard 6 to 8 strand
rope - ANSWER -6
What is the task of high tensile bolt connections between tower
sections - ANSWER -Connecting components and transmitting
forces
Items not listed in the frequent inspection checklist are -
ANSWER -Hydraulic pumps and valves for excessive wear or
damage
When is it necessary to determine that there is no practical
alternative way to perform the needed work or to gain access to
the area - ANSWER -Personnel Lift
COMPLETE 150 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+.
How much does an average cubic yard of concrete weight -
ANSWER -4,000 lbs
Main power switch for tower crane is - ANSWER -At base of
crane
According to OSHA 1926.753 what is the minimum distance
between pieces during Christmas tree operations - ANSWER -7ft
According to OSHA 1926-753 all hooks used with be equipped
with
___________ latches - ANSWER -Self - Closing
According to OSHA 1926-753 a "Critical Lift" means a lift that
exceeds __________ percent of the rated capacity of the crane or
derrick or requires the use of more than one crane or derrick -
ANSWER -75
What is the OSHA regulation dealing with Steel Erection -
ANSWER -1925.753
,According to OSHA 1926-753 components of the multiple lift
rigging assembly shall be specifically designed and assembled
with a maximum capacity for total assembly and for each
individual attachment point. this capacity, certified by the
manufacturer or a qualified rigger shall be based on the
manufacturer's specifications with a _______ to 1 safety factor
for all components - ANSWER -5
What is the proper procedure when using an insulating link or a
boot near power lines - ANSWER -Be sure to maintain the
correct allowable distance from the lines
According to ASME B30.3 a periodic inspection shall be
performed by a/an - ANSWER -Appointed person
According to sheet C in the tower crane configuration manual
how many B type blocks are required on layer 2? The hook
radius is 164 feet you have 7 tower sections and the guide
section is on the crane - ANSWER -4
Central ballast blocks must be distributed around the tower base
- ANSWER Equally
, According to the Tower Crane Reference Manual how often
should the hoist wire rope be lubricated - ANSWER -200 hours of
operatin
According to the Tower Crane Reference Manual using the twist
free wire rope the twist compensator should generally be -
ANSWER -Open
Tower Crane Load hooks must be inspected each time crane is
erected or once every - ANSWER -Year
When installing a wedge socket with wire rope how long should
the tail length of the dead end be using standard 6 to 8 strand
rope - ANSWER -6
What is the task of high tensile bolt connections between tower
sections - ANSWER -Connecting components and transmitting
forces
Items not listed in the frequent inspection checklist are -
ANSWER -Hydraulic pumps and valves for excessive wear or
damage
When is it necessary to determine that there is no practical
alternative way to perform the needed work or to gain access to
the area - ANSWER -Personnel Lift
