NCCCO TOWER CRANE FINAL EXAM NEWEST
ACTUAL EXAM COMPLETE 150 QUESTIONS AND
CORRECT DETAILED ANSWERS ||VERIFIED
EXAM!!!(VERIFIED ANSWERS) |ALREADY GRADED
A+||NEWEST EXAM!!!
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)
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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
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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