Test 3 Flashcards
All slings for riging must have:
Sling identification
While performing a shift inspection, which one of these are required to be inspected as per OSHA 1926.1412
Hooks and latches for deformation
What is the maximum amount of wear in the saddle of a hook that is allowed according to the B 30.10 standard for load hooks
10%
Which of the following would most likely be considered a non-standard attachment
Pile lead adapter
According to OSHA table A, what is the minimum clearance required when working near a powerline of 400 kV
25ft
Which of the following is the best definition of gross load
The weight of the loan plus other items, such as the hook block, rigging, etc.
Who is required to approve crane set up according to the B 30.5 standard
Crane operator
On a typical boom truck, what task does the PTO perform
Engage hydraulic pump
While setting up a crane, a poor location would be
Above utilities
When performing pick and carry operations, what is the maximum speed
Set by the manufacture
What is the purpose of an integral holding device on the hydraulic cylinder
Prevent uncontrolled retraction if hydraulic line connection is lost
When the jib is installed on the crane you are running, but it’s not being used, what is the deduction for the rope running up the back of the boom and jib
No deduction
According to OSHA 1926.1401, a drum rotation indicator as a device on a crane or a hoist which
Indicates which direction and speed a particular hoist drums turning
When using a boom attached personnel platform, when is it acceptable for the occupants to not use a safety harness
When working over water
While operating a truck mounted crane, and swinging a load from over the side of the front, what would be the greatest danger
No capacity over the front
If the crane has 1 inch diameter rope what is the minimum pitch diameter of the sheaves of the lower load block
16 inches
The abbreviation PTO on a crane stands for what
Power takeoff
While performing a shift inspection, which one of these are required to be inspected as per OSHA 1926.14 12
Ground conditions
What would be the effect of hoisting a load at high speed
Increase dynamic loads
A work area chart is used to
Determine what quadrant of operations you may be working in (front, side, rear)
According to OSHA 1926.1412, what person is required to perform the shift inspection
Competent
Using a range diagram, boom length an angle can be used to determine
Load radius
Rapid acceleration while hoisting would most likely produce
Increased weight to load block
A crane with 120 ft boom will be operating at 42 foot radius. The load chart has a capacity of 40 feet radius and one at 45 foot radius. Which radius will you use to find a gross capacity
45 foot
What are the proper audible travel signals were working with Cranes
One beep stop, to beeps forward, three beeps back
Blocking under Outrigger pads should be at least
Three times the size of foot pad area
When setting up a crane near a cinderblock wall what is the minimum distance that should be maintained between the rear of the rotating superstructure and the wall
2 feet
When a land Cran is working on a barge the red capacity of the crane may be modified to account for which of the following
List and trim
One setting up your crane you’re a newly constructed building the ground is more likely to be
Soft
We’re approaching a job site with a crane your first concern should be ____
Access road compaction
What is the function of a load indicator
Indicates actual load weight
Cribbing Or blocking that has spacing in between blocks are most likely to cause
Stability decrease
Which condition is present when lifting heavy loads with the boom of a crane
Boom deflection
A qualified crane operator is required to pass a physical exam every _____years according to ASME B 30.5
3
The axis of rotation of a crane is
The vertical axis around which the superstructure rotates
The term reeving means
A rope system in which Rope travels around drums and sheeves
At what percentage of the maximum line pulled his OSHA requires the operator to test the hoist break
90%
The telescopic Crane you are operating has 100 feet of main boom fully extended and a 40 foot extension erected. The actual boom angle is 66°. While lifting the load from the extension, the load chart for the extension has a capacity at 66.9° and one at 64.8°. Which angle will you use to find a gross capacity
64.8
When hooking and unhooking a load in the fall zone which of the following is required
Self latching hook
When working your powerlines there are less than 350 KV, but you do not know the exact voltage what is the minimum clearance that must be maintained
20 feet
When traveling a crane under powerlines that you may get closer than 20 feet too, what is required
A dedicated spotter
Before lifting operations commands, who is responsible for ground preparations
The controlling entity
When setting up your crane on uneven ground, what is the most important to remember
Make sure Outrigger pads are at right angles to the vertical Jack
When setting up your crane, which one of these should be done
Cribbing is larger than pad
As used in 1926 sub part CC, the term “must” is
Mandatory
If the load is being pulled at an angle to the vertical axis of the boom he affect would be
Sideload
Crane stability or tipping is based on
Leverage or leverage principal
Jib extension capacities are generally based on
Structural strength
When lifting off the main boom, how was the effective way of the jib/extension different in the erected position opposed to the stowed position
Effective weight increases
If the read out on an operational a does not match the crane little chart ratings what should be used
Load rating chart
When performing a proof test on a personal platform, what is required
125% load test
According to the 1926 subpart cc a monthly inspection is
He documented shipped inspection
What must never be done to a crane’s hoisting cable
Splice
In what quadrant or area of operations will cause the greatest out rigger loading
Corner
According to OSHA table tea, what is the minimum clearance distance required with an 8 kV powerline
6 feet
Hey anti two lock device is a
Device when activated disengages all crane functions whose movements can cause two blocking
Who must determine maximum speed at a job site for a mobile crane traveling with a suspended load
A competent person
Using a telescopic crane and lifting off the jib/extension with the Main boom partially extended, you should use the_________ To determine gross capacity
Boom angle
When hoisting personnel what is required
Must have A2B device
According to 1926 subpart cc, a directional drum rotation indicator is a device on a hoist or crane which
Indicates in which direction and what relative speed particular hoist is turning
What device listed is not required on a telescopic boom crane manufacture today
Swing path monitor
When blocking under a cranes out rigger floats, the blocking should be
Parallel to outrigger beam and tightly spaced
Arrange diagram is used to
Determine the radius, angle, or tip height the crane may be at
Proper blocking includes
Making sure Outrigger pads are 90° to the vertical Jack
Where ship powerline warnings be located on the crane
Inside the cab and outside of the crane
Where is a drum rotation indicator required on Cran’s built after November 8, 2011
When hoist is not visible to the operator
Well using it to like bridal I would changing from 30° to 60° sling angle effect sling tention
Less tension
If an operator of setting up a crane what should be checked
Soil and ground condition
A crane set up that is within 1% level Cran has 100 feet of boom out at a high boom angle the load line will be no greater than how far off the set an a lot of the boom
12 inches
According to federal regulation, equipment with a luffing jib must have
A luffing jib limiting device
What would be a great indication that you have cord damage while using rotation resistant wire rope
Reduction of rope diameter
If a truck crane is operating with the out rigors fully extended and set but does not have its front down riggers set The operator should
Refer to my factors working area diagram
What type of material should not be used around synthetic nylon slings
Acid
When Performing crane operations near new excavation, what could cause it to collapse
Vibration
The telescopic crane is equipped with an anti-to block device. When the device is activated, which functions will be generally disabled
Hoist up, extend out, lower boom
What are on jib/ extensions load capacity is generally based on
Structural strength of the jib extension
When does OSHA requires taglines to be used
When rotation of the load would be hazardous
What is the number of broken wires in a role-play that would require a standing rock to be replaced
And connection to broken, beyond and connection three broken
When should an operator use signs of tipping determine capacity limitations
Not an acceptable practice
The red area of an instrument gauge means
Dangerous condition
Load charts are designed during what operation of the crane
Static motion
Greater sling angle has what effect
Increased tension
On the job site who is responsible to follow manufacture procedures for assembly and disassembly
Owner/employer
Who’s responsibility is it to ensure ground preparation has been completed before crane set up
Controlling entity
Outrigger blocking or cribbing must be
Capable of supporting crane
With a telescope in crane if the boom sections are supposed to be extended equally and they are not, what is the most likely to happen
The longer section will have more stress
