NCCCO TOWER CRANE EXAM 2023-2024 ACTUAL
EXAM 100 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED
A
How many broken wires must be present in one stand on one lay for running wire rope to be removed
from service - ANSWER-4 ASME 3-2.4.3(b)(1)
What is the maximum permitted wind speed when climbing a tower - ANSWER-20mph ASME 3-1.1.5(i)
According to ASME B30.3 a crane should be plumbed to - ANSWER-1 to 500 ASME 3-1.1.5(g)
According to ASME B30.3 the rated load under static conditions shall not exceed __________________
of calculated tipping loads - ANSWER-63% ASME 3-1.2.1(a)
According to ASME B30.3 an overhead power line is ALWAYS considered to be - ANSWER-Energized until
the power company has verified it is not energized
High Tensile bolts should be marked with manufacturers designation and - ANSWER-Strength rating
TCCM Bolting 4-4
Bolt connections for tower sections must use high tensile strength nuts with ratings of - ANSWER-12
TCCM Bolting 4-5
Washers used in high tensile bolt connections shall be marked with - ANSWER-HV TCCm bolting 4-5
Before installation high tensile bolt connection components shall be cleaned and visually examined for -
ANSWER-damage and corrosion TcCCM bolting 4-7
When ready to torque the nut on a high tensile bolt connection you should - ANSWER-Lubricate threads
TCCM bolting 4-8
,During tightening of high tensile connections the bolt is stretched tom a specific percentage of its elastic
limit at the correct - ANSWER-Torque TCCM bolting 4-9
Preferably the tightening torque shall be applied to the - ANSWER-Nut TCCM bolting 4-9
The tightening torque values placed on the nuts and bolts of high tensile bolt connection are dependent
on the - ANSWER-type and size. TCCM bolting 4-9
What components of a tower crane are connected with high/tensile bolt connections? - ANSWER-
Foundation anchors, tower sections, slewing, ring support TCCM bolting 4-2
When the tower base bolts are torque the counter job should be positioned - ANSWER-0 degrees from
the bolt
According to the NCCCO Tower Crane reference manual what items below should be part of the
operators daily pre check - ANSWER-Wire ropes limit switches. TCCM maintenance 2-19
According to the NCCCO Tower Crane reference manual, how any safety turns (wraps) must be left on
the hoist drum when the load hook is in its lowest position - ANSWER-3 TCCM wire rope 5-1
According to NCCCO tower crane reference manual when possible installing the hoist wire rope on a
tower crane you should wind the rope with approximately how much of the maximum permissible load -
ANSWER-10% TCCM Wire rope 5-1
According to the ASME B30.3 what is the design factor for rotation resistant load hoist wire rope -
ANSWER-5.0 to 1 ASME 3-15.5 (b)
Who determines the correct hoist wire rope to be installed on tower cranes - ANSWER-Manufacturer
What grade alloy steel chain should be used for crane hoisting slings - ANSWER-80 OSHA 1910.184
, According to ASME B30.3 using rotation resistant running rope on a tower crane how many broken
wires in six rope diameters can you have to leave it in service. - ANSWER-1 ASME 3-2.4.3(b)(2)
According to ASME B30.3 a periodic inspection of a tower cranes wire rope shall be performed at least? -
ANSWER-Annually ASME 3-2.4.2(b)(1)
According to ASME B30.3 which inspection does not require records to be kept - ANSWER-Frequent
ASME 3-2.4.2
Wire rope lubricant is very important. It should be applied according to who's recommendations? -
ANSWER-Manufacturer ASME 3-2.4.4(e)
When you have core failure in wire rope a common result is - ANSWER-reduction in diameter ASME 3-
2.4.2 (Figure 9)
According to OSHA 1926.550, Who is responsible for machinery and equipment inspection before each
use - ANSWER-competent person
With a hook height of 350 feet, where should the hydraulic top climbing unit be positioned before
operating crane according to chart B - ANSWER-Uppermost tie in position
According to spacing chart B what is the distance from the face of the structure to the center line of the
crane - ANSWER-10`10"
When is it permitted to shift the hoist gear of a tower crane - ANSWER-Neutral Gear
According to ASME B30.3 an overhead power line is always considered to be - ANSWER-Energized until
the power company had verified it is not energized
According to ASME B30.3 maintenance personnel are permitted to operate the crane only when -
ANSWER-Performing their duties
EXAM 100 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED
A
How many broken wires must be present in one stand on one lay for running wire rope to be removed
from service - ANSWER-4 ASME 3-2.4.3(b)(1)
What is the maximum permitted wind speed when climbing a tower - ANSWER-20mph ASME 3-1.1.5(i)
According to ASME B30.3 a crane should be plumbed to - ANSWER-1 to 500 ASME 3-1.1.5(g)
According to ASME B30.3 the rated load under static conditions shall not exceed __________________
of calculated tipping loads - ANSWER-63% ASME 3-1.2.1(a)
According to ASME B30.3 an overhead power line is ALWAYS considered to be - ANSWER-Energized until
the power company has verified it is not energized
High Tensile bolts should be marked with manufacturers designation and - ANSWER-Strength rating
TCCM Bolting 4-4
Bolt connections for tower sections must use high tensile strength nuts with ratings of - ANSWER-12
TCCM Bolting 4-5
Washers used in high tensile bolt connections shall be marked with - ANSWER-HV TCCm bolting 4-5
Before installation high tensile bolt connection components shall be cleaned and visually examined for -
ANSWER-damage and corrosion TcCCM bolting 4-7
When ready to torque the nut on a high tensile bolt connection you should - ANSWER-Lubricate threads
TCCM bolting 4-8
,During tightening of high tensile connections the bolt is stretched tom a specific percentage of its elastic
limit at the correct - ANSWER-Torque TCCM bolting 4-9
Preferably the tightening torque shall be applied to the - ANSWER-Nut TCCM bolting 4-9
The tightening torque values placed on the nuts and bolts of high tensile bolt connection are dependent
on the - ANSWER-type and size. TCCM bolting 4-9
What components of a tower crane are connected with high/tensile bolt connections? - ANSWER-
Foundation anchors, tower sections, slewing, ring support TCCM bolting 4-2
When the tower base bolts are torque the counter job should be positioned - ANSWER-0 degrees from
the bolt
According to the NCCCO Tower Crane reference manual what items below should be part of the
operators daily pre check - ANSWER-Wire ropes limit switches. TCCM maintenance 2-19
According to the NCCCO Tower Crane reference manual, how any safety turns (wraps) must be left on
the hoist drum when the load hook is in its lowest position - ANSWER-3 TCCM wire rope 5-1
According to NCCCO tower crane reference manual when possible installing the hoist wire rope on a
tower crane you should wind the rope with approximately how much of the maximum permissible load -
ANSWER-10% TCCM Wire rope 5-1
According to the ASME B30.3 what is the design factor for rotation resistant load hoist wire rope -
ANSWER-5.0 to 1 ASME 3-15.5 (b)
Who determines the correct hoist wire rope to be installed on tower cranes - ANSWER-Manufacturer
What grade alloy steel chain should be used for crane hoisting slings - ANSWER-80 OSHA 1910.184
, According to ASME B30.3 using rotation resistant running rope on a tower crane how many broken
wires in six rope diameters can you have to leave it in service. - ANSWER-1 ASME 3-2.4.3(b)(2)
According to ASME B30.3 a periodic inspection of a tower cranes wire rope shall be performed at least? -
ANSWER-Annually ASME 3-2.4.2(b)(1)
According to ASME B30.3 which inspection does not require records to be kept - ANSWER-Frequent
ASME 3-2.4.2
Wire rope lubricant is very important. It should be applied according to who's recommendations? -
ANSWER-Manufacturer ASME 3-2.4.4(e)
When you have core failure in wire rope a common result is - ANSWER-reduction in diameter ASME 3-
2.4.2 (Figure 9)
According to OSHA 1926.550, Who is responsible for machinery and equipment inspection before each
use - ANSWER-competent person
With a hook height of 350 feet, where should the hydraulic top climbing unit be positioned before
operating crane according to chart B - ANSWER-Uppermost tie in position
According to spacing chart B what is the distance from the face of the structure to the center line of the
crane - ANSWER-10`10"
When is it permitted to shift the hoist gear of a tower crane - ANSWER-Neutral Gear
According to ASME B30.3 an overhead power line is always considered to be - ANSWER-Energized until
the power company had verified it is not energized
According to ASME B30.3 maintenance personnel are permitted to operate the crane only when -
ANSWER-Performing their duties
