Rigging Test Questions and Answers 2023 Graded A
operator
a signal person must be provided when the point of operation, meaning the load travel
or the area near or at load placement is not in full view of the:
dedicated spotter
when the equipment is travelling and the view in the direction of travel is obstructed, a
____________ must be provided
notify the crane who the signal is for
For each signal, prior to giving the function/direction, the signal person must:
signal person, operator, lift director
When non-standard signals are used, the following people must contact each other prior
to the lift operation and agree upon the non-standard signals which are going to be
used:
distance, function, direction
which of the following are the three required elements of a voice signal?
as many as are required per the lift plan
How many persons may share a dedicated channel for the purpose of coordinating
operations?
proximity alarms
which of the following are set to give the operator sufficient warning to prevent
encroachment of power lines?
effective, clear, and reliable
when using electronic transmission devices, the transmitted signal must be:
blocks installed at contact points
to ensure that correct sling angles are maintained during choker hitch use, the sling may
have:
jaw and weldless eye
A turnbuckle to be used in hoisting or rigging operations should be of what type
construction?
turnbuckle
the attached drawing illustrates a device for adjustment of load and is termed a:
find the center of gravity
when lifting an object that is of irregular shape, you must always:
the operator and signal person
who is allowed to design a new signal system?
site conditions preclude the use of hand, voice, or audio systems
en an a new signal system be used?
the operator, signal person, and lift director
who determines if a new signal system is suitable?
, the new signal system is at least equally effective communication as the standard
system being replaced
what must be demonstrated prior to the use of a new signal system?
tower
some manufactures of carrier-mounted lattice boom cranes offer optional _________
attachments for their machines
bridge
the ___________ is the main structural member of an over head crane used to span the
width of the runway area
hoist
any overhead crane consists of three basic units; the bridge, trolley, and:
crawler
carrier-mounted lattice boom cranes are also commonly referred to as __________
cranes.
load hook
the crane is said to be in a particular quadrant of operation when the ______________
is located over that area
360
in addition to using flags and barricades to show the work zone near power lines, the
employer can define the work zone area ________ degrees around the equipment up to
the equipment's maximum working radius
block
two-blocking occurs when the ___________ or headache ball makes contact with the
sheaves at the boom tip
low
industrial cranes have _____________ centers of gravity to permit operation in narrow
aisles or runways without outriggers
front
high wind speed acting on the __________ of the boom can cause it to topple backward
if it is at a high boom angle
100%
whenever anything is lifted or raised from a horizontal position to a vertical position, the
crane load will be equal to _________ the weight of the object until the object is vertical
and clears the ground
radius
as a crane starts to tip, the load _________ begins to increase. This increases the
load's leverage on the crane and the tipping force
center of gravity
rotation of the upper works changes the location of the crane's:
angle
critical lifts are those where the load weight is close to the rated capacity of the crane.
When the lifting load weighs more than 75% of the rated capacity, or when lifts involve
two or more cranes, be sure to check the boom:
stops
the leverage the crane exerts on the load changes as it:
three
operator
a signal person must be provided when the point of operation, meaning the load travel
or the area near or at load placement is not in full view of the:
dedicated spotter
when the equipment is travelling and the view in the direction of travel is obstructed, a
____________ must be provided
notify the crane who the signal is for
For each signal, prior to giving the function/direction, the signal person must:
signal person, operator, lift director
When non-standard signals are used, the following people must contact each other prior
to the lift operation and agree upon the non-standard signals which are going to be
used:
distance, function, direction
which of the following are the three required elements of a voice signal?
as many as are required per the lift plan
How many persons may share a dedicated channel for the purpose of coordinating
operations?
proximity alarms
which of the following are set to give the operator sufficient warning to prevent
encroachment of power lines?
effective, clear, and reliable
when using electronic transmission devices, the transmitted signal must be:
blocks installed at contact points
to ensure that correct sling angles are maintained during choker hitch use, the sling may
have:
jaw and weldless eye
A turnbuckle to be used in hoisting or rigging operations should be of what type
construction?
turnbuckle
the attached drawing illustrates a device for adjustment of load and is termed a:
find the center of gravity
when lifting an object that is of irregular shape, you must always:
the operator and signal person
who is allowed to design a new signal system?
site conditions preclude the use of hand, voice, or audio systems
en an a new signal system be used?
the operator, signal person, and lift director
who determines if a new signal system is suitable?
, the new signal system is at least equally effective communication as the standard
system being replaced
what must be demonstrated prior to the use of a new signal system?
tower
some manufactures of carrier-mounted lattice boom cranes offer optional _________
attachments for their machines
bridge
the ___________ is the main structural member of an over head crane used to span the
width of the runway area
hoist
any overhead crane consists of three basic units; the bridge, trolley, and:
crawler
carrier-mounted lattice boom cranes are also commonly referred to as __________
cranes.
load hook
the crane is said to be in a particular quadrant of operation when the ______________
is located over that area
360
in addition to using flags and barricades to show the work zone near power lines, the
employer can define the work zone area ________ degrees around the equipment up to
the equipment's maximum working radius
block
two-blocking occurs when the ___________ or headache ball makes contact with the
sheaves at the boom tip
low
industrial cranes have _____________ centers of gravity to permit operation in narrow
aisles or runways without outriggers
front
high wind speed acting on the __________ of the boom can cause it to topple backward
if it is at a high boom angle
100%
whenever anything is lifted or raised from a horizontal position to a vertical position, the
crane load will be equal to _________ the weight of the object until the object is vertical
and clears the ground
radius
as a crane starts to tip, the load _________ begins to increase. This increases the
load's leverage on the crane and the tipping force
center of gravity
rotation of the upper works changes the location of the crane's:
angle
critical lifts are those where the load weight is close to the rated capacity of the crane.
When the lifting load weighs more than 75% of the rated capacity, or when lifts involve
two or more cranes, be sure to check the boom:
stops
the leverage the crane exerts on the load changes as it:
three
