NCCCO TOWER CRANE EXAM 2023-2024 ACTUAL
EXAM 150 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A
According to ASME B30.3, how many randomly broken wires must there be
to remove a running wire rope from serivce - ANSWER-12 ASME 3-
3.4.3(b)(1)
According to ASME B30.3 when working near power lines when is a signal
person required - ANSWER-When crane moves within a booms length of
power lines ASME 3-3.4.3(a)(3)
According to OSHA after the crane has been checked out and before
personnel lift operations begin the crew should - ANSWER-Have a pre-lift
meeting OSHA 1926.550(g)(8)
According to OSHA when is it safe to work closer than the allowable
distance from the power lines - ANSWER-When utility company says lines
are de-energized OSHA 1926.550(a)(15)(vi)
When should a tagline be used - ANSWER-When rotation of load would be
dangerous ASME 3-3.2.1(d)(8)
What is the minimum design factor required for a boom hoist rope -
ANSWER-3.55 ASME 3-1.5.5(c)
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)
, NCCCO TOWER CRANE EXAM 2023-2024 ACTUAL
EXAM 150 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A
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
, NCCCO TOWER CRANE EXAM 2023-2024 ACTUAL
EXAM 150 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY
GRADED A
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
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