Quiz 14: Cranes
Prior to
A briefing must be conducted that sets forth the plan of operation for the pilor and ground personnel _______ each day's crane operation
Prior to each use
A crane or derrick inspection must be carried out
Gantry cranes
A gong or other effective audible warning signal must be provided for
False
A hoist doesn't have to be inspected following a major alteration of an existing installation; however, it does have to be inspected at not more than 3-month intervals
False
A minimum clearance of 10 feet is required for all lines rated above 50 kV plus an additional 0.4 inches for each 1 kV over 50
a chin strap
Hard hats worn by employees assisting with helicopter operations mst be eqipped with
Floating crane
Load rating charts must be provided near the operator on which type of crane?
True
Parts associated with cranes and derricks that may need to be guarded include belts, gears, shafts, and drums.
Inside guard rails
Personnel platforms must be equipped with which of the following?
False
The installation of live booms on hoists is recommended
True
The minimum clearance between a crane and any power line rated at 50 kV or below must be 10 feet
Any of the above
The personal fall arrest system of a worker on a personnel platform must be attached to
Equal to the hoist
The supporting structure to which an overhead hoist is attached must have a safe working load that is
hoisting
An annual inspection of the ______ machinery must be performed
False
Before hoisting operations, the employer must meet only with crane operators to ensure OSHA regulations are followed
practical operating
Crane and derrick operations must pass a(n) _________ examination on the specific type of equipment to be operated
limit switches
Cranes mounted on rail tracks must be equipped with _______ that limit the travel of the crane on the track and stops or buffers at each end of the tracks
1
Cranes used to hoist personnel must be with % of level grade
hooking and unhooking loads
Employees may perform work under hovering craft only when
True
Employees that are required to perform duties on hammerhead cranes must be protected against falling by either guardrails or a personal fall arrest system.
True
Exposed moving parts on base-mounted drum hoists must be guarded
All of the above
Helicopter cranes are typically used to
True
Improper rigging can cause falling and failing equipment hazards
Federal Aviation Administration
In addition to OSHA regularions, helicopter cranes must comply with regulation of the ________
American National Standards Institute
In addition to OSHA regulations, specific crane types must comply with requirements of the _______
True
Legs of bridles must be connected to a master link or shackle so that the load is evenly positioned among the bridle legs when a wire rope is used to connect the platform to the load line
True
Maintaining the required distances between cranes and power lines is an important way to prevent electrical hazards
Keep all body parts inside the platform during raising, lower, and positiong : Worker Do not make any lifts on another load line of a crane or derrick that is being using to hoist personnel : Crane operator
Match the following safe practices to either worker or crane operator as appropriate
Must be conspicously posted on all equipment : Rated load capacity Cannot be modified without the written approval of the manufacturer : Equipment
Match the following terms to their related category of regulations
An engineer
Material hoist towers must be designed by
False
Mobile cranes on barges can be tentatively secured.
False
Modifications may be made to cranes or derricks at the discretion of the employer
On all equipment
Rated load capacities, recommnended operating speeds and special hazards or instrutions may be posted
True
To ensure safe operations, workers on personnel platforms must stay in view of, or in direct communication with, the operator of signal person
50
Unauthorized persons must not be allowed within _______ feet of the helicopter when rotor blades are turning
False
When a crane strikes a power line, only the crane operator stands a risk of a fatal injury
False
When it is difficult for an operator to determine power line clearance by visual means, an observer is not necessary.
True
When using a crane to suspend workers on a personnel platform, the loaded platform and its rigging must not exceed 50% of the rated capacity for the crane
All of the above
Which of the following are required by OSHA in the certification record for cranes?
All of the above
Which of the following are required for cranes and derricks that hoist personnel?
Personal Protective Equipment
Which of the following best categorizes the requirement that employees wearing loads should wear complete eye protection and hard hats secured by chin straps?
Know the ground crew
Which of the following is not one of the four rules for safe rigging?
Manufacturer
Which of the following specifications and limitations must employers comply with when operating hoists and elevators?
No riders allowed
Which of the following statements must be posted on the car frame of a material hoist?
