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
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
