LOUISIANA CLASS D CHAUFFEURS UPDATED EXAM SCRIPT
QUESTIONS AND ANSWERS GUARANTEE A+
✔✔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
✔✔for all other vehicle, where the posted speed limit permits, the maximum speed limit
is ___ - ✔✔70mph
✔✔on rural highways, outside residential area or business districts, drivers of motor
trucks must not follow within _____ of one another except to pass - ✔✔400 ft
✔✔high beam headlights must be dimmed at ___ from oncoming traffic and ____ from
a vehicle being followed - ✔✔500ft, 200ft
✔✔you must stop within___ but not closer than ___ from the a railway crossing -
✔✔50ft, 15ft
,✔✔vehicles transporting passengers must be equipped with this type of fire extinguisher
- ✔✔2-BC
✔✔tow trucks must have this type of fire extinguisher - ✔✔4-BC
✔✔vehicles transporting explosives must have this type of fire extinguisher - ✔✔10-BC
✔✔freight carrying vehicles and passenger buses must carry either 3 ____, 3____, or 3
____ and 2____ as warning equipment. - ✔✔flares, electric red lanterns or red portable
reflectors, and 2 12 inch square red cloth flags
✔✔flares or fuses are not allowed on these trucks - ✔✔those carrying explosives,
flammable liquids, compressed gases, or those using compressed gas for fuel
✔✔warning signals must be places ___ behind and ___ in front of the vehicle and one
____ to the front or rear on the side of the vehicle facing traffic when it breaks down -
✔✔100 ft, 100ft, 10ft
✔✔the draw bar used to tow another vehicle must not be more than ___ except when
transporting objects which can not be easily dismembers like poles, pipes, or machinery
- ✔✔15 ft
✔✔the rear view mirror must reflect an image reaching at least ____ behind the vehicle
- ✔✔200ft
✔✔vehicles weighing or carrying more than ___ must be equipped with extra brakes -
✔✔3,000 pounds
✔✔___ brakes are a safe way of stopping large vehicle when used correctly - ✔✔air
✔✔the three braking systems that make up an air brake system are - ✔✔service brake,
parking brake, and emergency brake
✔✔the part of the air brake system which pumps air into the air storage tanks - ✔✔air
compressor
✔✔the part of the air brake system which controls when the air compressor will pump
air into the air storage tanks - ✔✔air compressor governor
✔✔the part of the air brake system which is operated by turning a quarter turn or by
pulling a cable and which must be drained manually at the end of the day - ✔✔manual
air tank drain
, ✔✔the part of the air brake system in which water and oil are automatically expelled -
✔✔automatice air tank drain
✔✔the ___ of the air brake system protects the tanks and the rest of the system from
too much pressure. it is usually set at 150 psi. if it releases air, something is wrong -
✔✔safety valve
✔✔the ___ part of the air brake system tells you how much pressure is left in the air
tanks - ✔✔supply pressure gauges
✔✔the ____ shows you how much air pressure you are applying to the breaks -
✔✔application pressure gauge
✔✔if the air pressure in the tanks falls below ___, the low air pressure warning will
come on. - ✔✔60psi
✔✔___ brakes are held back by air pressure and are the mechanical force which keeps
the emergency and parking brakes in place - ✔✔spring brakes
✔✔in newer vehicles, you engage the parking breaks by using this knob - ✔✔diamond-
shaped, yellow, push-pull knob
✔✔never push the break pedal down when the ___ brakes are on - ✔✔spring breaks
✔✔the first step to checking the air brakes is to see if the air pressure drops more than
____ pounds in ___ minute - ✔✔3 pounds in 1 minute
✔✔the second step to checking the air brakes is to ____ - ✔✔make sure the low air
pressure warning signals are working
✔✔the third step of checking the air brakes is to make sure the parking brake valve
closes at ____psi - ✔✔20-40 psi
✔✔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
QUESTIONS AND ANSWERS GUARANTEE A+
✔✔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
✔✔for all other vehicle, where the posted speed limit permits, the maximum speed limit
is ___ - ✔✔70mph
✔✔on rural highways, outside residential area or business districts, drivers of motor
trucks must not follow within _____ of one another except to pass - ✔✔400 ft
✔✔high beam headlights must be dimmed at ___ from oncoming traffic and ____ from
a vehicle being followed - ✔✔500ft, 200ft
✔✔you must stop within___ but not closer than ___ from the a railway crossing -
✔✔50ft, 15ft
,✔✔vehicles transporting passengers must be equipped with this type of fire extinguisher
- ✔✔2-BC
✔✔tow trucks must have this type of fire extinguisher - ✔✔4-BC
✔✔vehicles transporting explosives must have this type of fire extinguisher - ✔✔10-BC
✔✔freight carrying vehicles and passenger buses must carry either 3 ____, 3____, or 3
____ and 2____ as warning equipment. - ✔✔flares, electric red lanterns or red portable
reflectors, and 2 12 inch square red cloth flags
✔✔flares or fuses are not allowed on these trucks - ✔✔those carrying explosives,
flammable liquids, compressed gases, or those using compressed gas for fuel
✔✔warning signals must be places ___ behind and ___ in front of the vehicle and one
____ to the front or rear on the side of the vehicle facing traffic when it breaks down -
✔✔100 ft, 100ft, 10ft
✔✔the draw bar used to tow another vehicle must not be more than ___ except when
transporting objects which can not be easily dismembers like poles, pipes, or machinery
- ✔✔15 ft
✔✔the rear view mirror must reflect an image reaching at least ____ behind the vehicle
- ✔✔200ft
✔✔vehicles weighing or carrying more than ___ must be equipped with extra brakes -
✔✔3,000 pounds
✔✔___ brakes are a safe way of stopping large vehicle when used correctly - ✔✔air
✔✔the three braking systems that make up an air brake system are - ✔✔service brake,
parking brake, and emergency brake
✔✔the part of the air brake system which pumps air into the air storage tanks - ✔✔air
compressor
✔✔the part of the air brake system which controls when the air compressor will pump
air into the air storage tanks - ✔✔air compressor governor
✔✔the part of the air brake system which is operated by turning a quarter turn or by
pulling a cable and which must be drained manually at the end of the day - ✔✔manual
air tank drain
, ✔✔the part of the air brake system in which water and oil are automatically expelled -
✔✔automatice air tank drain
✔✔the ___ of the air brake system protects the tanks and the rest of the system from
too much pressure. it is usually set at 150 psi. if it releases air, something is wrong -
✔✔safety valve
✔✔the ___ part of the air brake system tells you how much pressure is left in the air
tanks - ✔✔supply pressure gauges
✔✔the ____ shows you how much air pressure you are applying to the breaks -
✔✔application pressure gauge
✔✔if the air pressure in the tanks falls below ___, the low air pressure warning will
come on. - ✔✔60psi
✔✔___ brakes are held back by air pressure and are the mechanical force which keeps
the emergency and parking brakes in place - ✔✔spring brakes
✔✔in newer vehicles, you engage the parking breaks by using this knob - ✔✔diamond-
shaped, yellow, push-pull knob
✔✔never push the break pedal down when the ___ brakes are on - ✔✔spring breaks
✔✔the first step to checking the air brakes is to see if the air pressure drops more than
____ pounds in ___ minute - ✔✔3 pounds in 1 minute
✔✔the second step to checking the air brakes is to ____ - ✔✔make sure the low air
pressure warning signals are working
✔✔the third step of checking the air brakes is to make sure the parking brake valve
closes at ____psi - ✔✔20-40 psi
✔✔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
