NCCER Mobile Crane Practice Test Exam Questions with Latest Update
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Course
Nccer mobile crane
Institution
Nccer Mobile Crane
when rotation of the load maybe hazardous, the operator must? - Answer-ensure a tag line is used
which of the following could be the most dangerous when working near a newly construction building? - Answer-un-compacted soil covering underground utilities
the main reason for using timber block...
NCCER Mobile Crane Practice Test Exam
Questions with Latest Update
when rotation of the load maybe hazardous, the operator must? - Answer-ensure a tag
line is used
which of the following could be the most dangerous when working near a newly
construction building? - Answer-un-compacted soil covering underground utilities
the main reason for using timber blocking under the crane`s outriggers is to - Answer-
decrease the applied ground pressure
who is responsible for conducting an inspection or during each shift - Answer-competent
person
what should you use to protect slings from a sharp edge - Answer-split pipe sections
considering the wire rope on a crane, which of the following is prohibited by OHSA -
Answer-splicing
a crane operator is required to have a physical every - Answer-3 years
to provide better protection between the crane and any obstacle, barriers must be
erected in what part of the crane`s work area - Answer-accessible areas within the
rotating superstructure
an example of duty cycle operations would be - Answer-handling large volumes of
concrete
the term that defines the load plus all rigging components is - Answer-gross load
when a heavy load is lifted, what is the result - Answer-increased boom deflection
what site conditions must an operator be concerned about prior to setting up a crane -
Answer-access roads have a less than 5% grade
which of the following states the requirements for hooks used to hoist personnel on a
crane supported personnel platform - Answer-hooks shall be the type that can be
pinned and locked
a load applied at an angle to the vertical plane of the boom is - Answer-side loading
a mobile crane`s rate capacity, as listed in the load chart, is either based on either
structural limits or - Answer-stability
, when a measured radius falls between values listed in a load chart , you should -
Answer-use the gross capacity for the longer radius listed in the load chart
a cranes net capacity is equal to - Answer-the manufactures load rating less all
deductions
the superstructure of a crane is - Answer-the entire upper works above the swing circle
when blocking is used under the floats/pads to support the crane, the blocking/ cribbing
must be - Answer-greater than the float/ pad surface area
if the operator must leave crane when in contact with energized lines - Answer-avoid
simultaneous contact with the crane and the ground
what is apart of the crane inspection - Answer-documented rope inspection
how often is a competent person required to visually inspect the running rope on a
crane - Answer-once each shift
cranes with a suspended load generates the highest ground pressure when working
over the - Answer-corner
an auxiillary boom head is intended to be used with - Answer-a whip line
when calculating net capacities, in most cases, a stowed jim is treated as - Answer-a
deduction
excessive side loading of the boom could be caused by - Answer-dragging a load
which is the most important factor about site access - Answer-compaction of approach
roads
power lines below 350kv what is the minimum clearance distance required - Answer-20'
as rope spools onto the hoist drum of a crane and the layers increase, available line pull
will - Answer-decrease
if the capacity of a synthetic sling is not legible on the sling, the user should - Answer-
not use the sling
for cranes using outriggers fully extended, tipping capacity is based on - Answer-85%
the majority of ground grew deaths are related to - Answer-energized power line contact
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