Questions with verified Answers. a- a- a- a-
When is it permitted to shift the hoist gear of a tower crane
a- a- a- a- a- a- a- a- a- a- a- a- a-a- a-
Neutral Gear a-
When installing a wedge socket with wire rope how long should
a- a- a- a- a- a- a- a- a- a- a-
the tail length of the dead end be using standard 6 to 8 strand
a- a- a- a- a- a- a- a- a- a- a- a- a- a-
rope 6
a-a- a-
When lifting personnel communication shall be maintained
a- a- a- a- a- a- a-
between three of the next four
a- Person(s) being lifted -
a- a- a- a- a-a- a- a- a- a- a-
Operator - Signal person a- a- a-
What is the task of high tensile bolt connections between tower
a- a- a- a- a- a- a- a- a- a- a-
sections Connecting components and transmitting forces
a-a- a- a- a- a- a-
What components of a tower crane are connected with
a- a- a- a- a- a- a- a- a-
high/tensile bolt connections? Foundation anchors, tower
a- a- a-a- a- a- a- a-
sections, slewing, ring support TCCM bolting 4-2
a- a- a- a- a- a-
,When the tower base bolts are torque the counter job should be
a- a- a- a- a- a- a- a- a- a- a- a-
positioned 0 degrees from the bolta-a- a- a- a- a- a-
According to the NCCCO Tower Crane reference manual what
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items below should be part of the operators daily pre check
a- a- a- a- a- a- a- a- a- a- a-a- a-
Wire ropes limit switches. TCCM maintenance 2-19
a- a- a- a- a- a-
According to the NCCCO Tower Crane reference manual, how any
a- a- a- a- a- a- a- a- a- a-
safety turns (wraps) must be left on the hoist drum when the
a- a- a- a- a- a- a- a- a- a- a- a-
load hook is in its lowest position
a- a- 3 TCCM wire rope 5-1
a- a- a- a- a-a- a- a- a- a- a-
According to NCCCO tower crane reference manual when
a- a- a- a- a- a- a- a-
possible installing the hoist wire rope on a tower crane you
a- a- a- a- a- a- a- a- a- a- a-
should wind the rope with approximately how much of the
a- a- a- a- a- a- a- a- a- a-
maximum permissible load a- 10% TCCM Wire rope 5-1 a- a-a- a- a- a- a- a-
When cranes are erected, load limiting devices shall be tested for
a- a- a- a- a- a- a- a- a- a- a-
proper setting and operation
a- Before crane is placed in service
a- a- a-a- a- a- a- a- a- a-
Hooks shall be equipped with latches unless the application
a- a- a- a- a- a- a- a- a-
makes the use of the latch
a- Impractical
a- a- a- a- a-a- a-
Size and position of signs or panels must satisfy the limitations of
a- a- a- a- a- a- a- a- a- a- a- a-
a- Manufacturer
a-
, Fall prevention measures are needed for working at locations
a- a- a- a- a- a- a- a- a-
where you are exposed a- To a fall of 6ft or more
a- a- a-a- a- a- a- a- a- a- a-
Travel distance on hand levers shall not be greater
a- a- a- a- a- a- a- a- a-a- a- than 14 a- a-
inches from neutral position
a- a- a-
For power lines rated 175KV the minimum clearance between the
a- a- a- a- a- a- a- a- a- a-
lines and any part of the crane or load is
a- a- 15ft a- a- a- a- a- a- a- a-a- a-
All controls shall be tested by the operator at the
a- a- a- a- a- a- a- a- a- a-a- a- start of a- a-
new shift a-
Before each climbing operation all load members of the support
a- a- a- a- a- a- a- a- a- a-
system shall be Inspecteda- a- a-a- a-
Chain slings are required to be
a- a- a- a- a- a-a- a- ID tagged a-
Welding on loads suspended by the crane can only be done if
a- a- a- a- a- a- a- a- a- a- a- a-
the load has
a- Insulated slings a- a-a- a- a-
How much does an average cubic yard of concrete weight
a- a- a- a- a- a- a- a- a- a-a- a-
4,000 lbs a-