2-6-1 Flashcards
The __?__ is held responsible for any deficiencies found at a D.O.T. stop.
driver
An off-center valve stem in a truck wheel opening is an indicator of a loose wheel.
true
If a vehicle has air brakes, they should be inspected __?__.
pretrip
The last connection when jump starting a vehicle should be to __?__.
a negative point remote from the battery
Cell phone use is not a danger while driving if you use a hands-free unit.
false
When braking, never use the hand valve to apply brakes only to the trailer.
true
The height of a digger derrick is not important because all bridges and underpasses are at least 14 feet high.
false
The best way to inspect for a hydraulic fluid leak is by running your hands along the lines while the system is under pressure.
false
A high-pitched whine in the hydraulic system indicates __?__.
the fluid is not properly warmed up
Nonconducting hydraulic lines used on the tool outlet of a bucket truck are generally __?__.
orange in color
When an insulated boom needs to be cleaned, it should be __?__.
hand washed
Any downward movement of a boom during a holding valve test is an indication of __?__ in the system.
air
In most cases, lowering a boom without hydraulic power or battery backup should be left to a(n) __?__.
specialist
Boom-type equipment is designed to work at a slope of __?__ degrees or less.
5
When the vehicle is on an incline, extending the outriggers reduces the holding power of the tires.
true