Baskets, Aerial Lifts, and Platforms Flashcards
When Checking the tires of a truck, an off-center valve stem in a truck wheel opening is an indicator of a ?
loose wheel
When checking the air brakes on a bucket truck, the acceptable travel for the slack adjusters is less than ?
2.5”
During a pre-trip air brake inspection, it is not a good idea to drain the air tanks because it takes too long for the truck to fill them again
false
On a truck equipped with air brakes, the pressure buildup from zero to between 85 to 100 pounds per square inch must be less than ?
2 minutes
One way to check if a truck is holding the proper air pressure for its air brakes is to turn the engine off, apply the foot brake, and hold for ? . Pressure drop must be less than two pounds per square inch (psi).
1 minute
Do not check for hydraulic fluid when the system is under pressure, because the fluid coming from a pinhole can pierce the skin and cause serious injury.
True
A typical warm-up for a hydraulic system is to set the engine speed at 600 rpm (1,000 rpm for diesel engines), engage the hydraulic pump, and let it run for about ? .
10 minutes
High-pressure hydraulic hoses used for boom tip tools are generally orange in color and must be rated at ? .
10,000 psi
Boom-type equipment is designed to work at a slope of ? or less.
5 degrees
When grounding a bucket truck at a work site, using the down ground on a pole is convenient, and it will carry the available fault current on the circuit.
False
When testing a bare hand bucket against an energized conductor, the leakage current should not exceed one microampere per ? of the phase-to-phase voltage of the circuit.
1,000 V
According to this lesson, there are ? types of aerial lifts in general use in the industry.
5
Insulated aerial devices are manufactured and tested per ANSI standard ? .
A92.2
The gross vehicle weight (GVW) is equal to the truck weight plus digger derrick and body weight plus tools and cargo weight.
True
If parking on a roadway is required, park on the ? side of the road facing in the direction of traffic flow.
Right Hand
During a job briefing, OSHA mandates that at least ? subjects be covered.
5
When extending the outriggers, they should extend at least three to four inches after contacting the ground. The chassis tires should unload noticeably.
True
On an insulated aerial device, if so equipped, a DC pump is used to power the ? .
Secondary stowage system
When handling material, never attach the load to the fall protection anchor point of a bucket truck.
True
The ? written approval must be obtained before making modifications to an insulated aerial device that affects operation.
Manufactrers
Before traveling, check that all items are secured, bin doors are latched, outriggers are raised, and the boom is stowed and secure. Never exceed the vehicle’s gross vehicle weight rating.
True
The rated load capacities and instructions related to insulated aerial device operations must remain ? .
posted on the unit
The purpose of the secondary stowage system on an aerial device is to allow the boom to be stowed in case the chassis engine quits.
True
