QUESTIONS WITH ANSWERS RATED A+
✔✔7 additional things that must be checked when doing an air brake check - ✔✔1)air
compressor drive belt
2) manual slack adjusters on S-cam brakes
3) brake drums, linings, and hoses
4) rate of air pressure buildup
5) air compressor governor cut-in and cut-out pressures
6) parking brake
7) service brakes
✔✔2 methods of emergency breaking - ✔✔controlled or stab
✔✔the type of emergency breaking in which you put on the brakes as hard as you can
without locking the wheels or turning the steering wheel - ✔✔controlled braking
✔✔the type of emergency braking in which you press the break pedal as hard as you
can, let up when the wheels lock, and push on the brakes again when the vehicle starts
rolling - ✔✔stab breaking
✔✔with air brakes it takes ____ for the air to flow through the lines to the brakes -
✔✔1/2 second or more
✔✔the equation which equals the total stopping distance for vehicles with air brakes -
✔✔perception distance + reaction distance + brake lag distance + effective braking
distance
✔✔if the low air pressure warning for the air brake system comes on you should __ -
✔✔stop and safely park as soon as possible
✔✔brakes can fail or fade from ___ caused by ___ - ✔✔excessive heat caused by
using them too much or improper adjustment
✔✔any time you park you should use the parking brake except for these 2 exceptions -
✔✔the brakes are very hot or in the brakes are wet and the temperature is freezing
✔✔ Class D license is for anyone driving a vehicle or combined set of vehicles in this
weight range _____, as long as they are not carrying hazardous materials - ✔✔10,001-
26,001 pounds
✔✔A Class D license allows for a driver-for-fire to drive any vehicle fitting into the Class
__ requirements - ✔✔E
, ✔✔you must be ____ years old to receive a class D license - ✔✔17
✔✔the maximum width for all vehicles except buses is ___ - ✔✔8 feet
✔✔the maximum width for buses is ____ - ✔✔8ft 6in
✔✔the load may not project more than ___ beyond the width of the body - ✔✔6in
✔✔the maximum height for all vehicles is ___ - ✔✔13ft 6in
✔✔the maximum length for any single vehicle including its load is ___ - ✔✔40ft
✔✔the maximum length for a truck-tractor and trailer combination is ___ - ✔✔65ft
✔✔the maximum height, length, and width requirements do not apply to ____, ______,
or ____ as long as they are operating during daylight - ✔✔auto carriers, trailers hauling
poles or pilings, trailers hauling logs
✔✔when securing a load, the contents must not be allowed to ____, ____, _____, or
______ and the cover must be securely fastened - ✔✔drop, shift, leak, otherwise
escape
✔✔any load may not extend more than ____ in front of the vehicle - ✔✔4ft
✔✔any load except for poles, pilings, and logs may not extend more than ___ beyond
the rear of the vehicle - ✔✔8ft
✔✔poles, pilings, and logs may not extend more than ___ beyond the rear of the trailer
- ✔✔15ft
✔✔if a load extends more than ___ past the body of the vehicle a 12 in square _____
must be attached to the load during daylight and a ____ must be attached during
nighttime - ✔✔4 ft, red flag, red light
✔✔the red light attached to the load at night must be visible from ____ - ✔✔500ft
✔✔when pulling or towing another motor vehicle the speed limit is _____ - ✔✔45 mph
✔✔the speed limit for school buses which are frequently stopping to load or unload
children is ___ - ✔✔35mph