LOUISIANA CLASS D LICENSE EXAM, LOUISIANA
CLASS D "CHAUFFEUR'S" LICENSE TEST, LOUISIANA
CLASS D "CHAUFFEUR'S" LICENSE, LOUISIANA
CLASS D "CHAUFFEUR'S" LICENSE TEST, LOUISIANA
CLASS D "CHAUFFEUR'S" LICENSE 2025 EXAM TEST
250 QUESTIONS AND CORRECT ANSWERS
"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 - CORRECT ANSWER=> 4 ft, red
flag, red light"
"the red light attached to the load at night must be visible from ____ - CORRECT ANSWER=> 500ft"
"when pulling or towing another motor vehicle the speed limit is _____ - CORRECT ANSWER=> 45
mph"
"the speed limit for school buses which are frequently stopping to load or unload children is ___ -
CORRECT ANSWER=> 35mph"
"for all other vehicle, where the posted speed limit permits, the maximum speed limit is ___ - CORRECT
ANSWER=> 70mph"
"on rural highways, outside residential area or business districts, drivers of motor trucks must not follow
within _____ of one another except to pass - CORRECT ANSWER=> 400 ft"
"high beam headlights must be dimmed at ___ from oncoming traffic and ____ from a vehicle being
followed - CORRECT ANSWER=> 500ft, 200ft"
"you must stop within___ but not closer than ___ from the a railway crossing - CORRECT ANSWER=>
50ft, 15ft"
"vehicles transporting passengers must be equipped with this type of fire extinguisher - CORRECT
ANSWER=> 2-BC"
"tow trucks must have this type of fire extinguisher - CORRECT ANSWER=> 4-BC"
"vehicles transporting explosives must have this type of fire extinguisher - CORRECT ANSWER=> 10-BC"
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,"freight carrying vehicles and passenger buses must carry either 3 ____, 3____, or 3 ____ and 2____ as
warning equipment. - CORRECT ANSWER=> 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 - CORRECT ANSWER=> 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 - CORRECT ANSWER=> 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 - CORRECT ANSWER=> 15 ft"
"the rear view mirror must reflect an image reaching at least ____ behind the vehicle - CORRECT
ANSWER=> 200ft"
"vehicles weighing or carrying more than ___ must be equipped with extra brakes - CORRECT
ANSWER=> 3,000 pounds"
"___ brakes are a safe way of stopping large vehicle when used correctly - CORRECT ANSWER=> air"
"the three braking systems that make up an air brake system are - CORRECT ANSWER=> service brake,
parking brake, and emergency brake"
"the part of the air brake system which pumps air into the air storage tanks - CORRECT ANSWER=> air
compressor"
"the part of the air brake system which controls when the air compressor will pump air into the air
storage tanks - CORRECT ANSWER=> 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 - CORRECT ANSWER=> manual air tank drain"
"the part of the air brake system in which water and oil are automatically expelled - CORRECT
ANSWER=> 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 - CORRECT ANSWER=> safety valve"
"the ___ part of the air brake system tells you how much pressure is left in the air tanks - CORRECT
ANSWER=> supply pressure gauges"
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, "the ____ shows you how much air pressure you are applying to the breaks - CORRECT ANSWER=>
application pressure gauge"
"if the air pressure in the tanks falls below ___, the low air pressure warning will come on. - CORRECT
ANSWER=> 60psi"
"___ brakes are held back by air pressure and are the mechanical force which keeps the emergency and
parking brakes in place - CORRECT ANSWER=> spring brakes"
"in newer vehicles, you engage the parking breaks by using this knob - CORRECT ANSWER=> diamond-
shaped, yellow, push-pull knob"
"never push the break pedal down when the ___ brakes are on - CORRECT ANSWER=> spring breaks"
"the first step to checking the air brakes is to see if the air pressure drops more than ____ pounds in ___
minute - CORRECT ANSWER=> 3 pounds in 1 minute"
"the second step to checking the air brakes is to ____ - CORRECT ANSWER=> 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 -
CORRECT ANSWER=> 20-40 psi"
"7 additional things that must be checked when doing an air brake check - CORRECT ANSWER=> 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 - CORRECT ANSWER=> 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 - CORRECT ANSWER=> 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 - CORRECT ANSWER=> stab
breaking"
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CLASS D "CHAUFFEUR'S" LICENSE TEST, LOUISIANA
CLASS D "CHAUFFEUR'S" LICENSE, LOUISIANA
CLASS D "CHAUFFEUR'S" LICENSE TEST, LOUISIANA
CLASS D "CHAUFFEUR'S" LICENSE 2025 EXAM TEST
250 QUESTIONS AND CORRECT ANSWERS
"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 - CORRECT ANSWER=> 4 ft, red
flag, red light"
"the red light attached to the load at night must be visible from ____ - CORRECT ANSWER=> 500ft"
"when pulling or towing another motor vehicle the speed limit is _____ - CORRECT ANSWER=> 45
mph"
"the speed limit for school buses which are frequently stopping to load or unload children is ___ -
CORRECT ANSWER=> 35mph"
"for all other vehicle, where the posted speed limit permits, the maximum speed limit is ___ - CORRECT
ANSWER=> 70mph"
"on rural highways, outside residential area or business districts, drivers of motor trucks must not follow
within _____ of one another except to pass - CORRECT ANSWER=> 400 ft"
"high beam headlights must be dimmed at ___ from oncoming traffic and ____ from a vehicle being
followed - CORRECT ANSWER=> 500ft, 200ft"
"you must stop within___ but not closer than ___ from the a railway crossing - CORRECT ANSWER=>
50ft, 15ft"
"vehicles transporting passengers must be equipped with this type of fire extinguisher - CORRECT
ANSWER=> 2-BC"
"tow trucks must have this type of fire extinguisher - CORRECT ANSWER=> 4-BC"
"vehicles transporting explosives must have this type of fire extinguisher - CORRECT ANSWER=> 10-BC"
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,"freight carrying vehicles and passenger buses must carry either 3 ____, 3____, or 3 ____ and 2____ as
warning equipment. - CORRECT ANSWER=> 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 - CORRECT ANSWER=> 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 - CORRECT ANSWER=> 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 - CORRECT ANSWER=> 15 ft"
"the rear view mirror must reflect an image reaching at least ____ behind the vehicle - CORRECT
ANSWER=> 200ft"
"vehicles weighing or carrying more than ___ must be equipped with extra brakes - CORRECT
ANSWER=> 3,000 pounds"
"___ brakes are a safe way of stopping large vehicle when used correctly - CORRECT ANSWER=> air"
"the three braking systems that make up an air brake system are - CORRECT ANSWER=> service brake,
parking brake, and emergency brake"
"the part of the air brake system which pumps air into the air storage tanks - CORRECT ANSWER=> air
compressor"
"the part of the air brake system which controls when the air compressor will pump air into the air
storage tanks - CORRECT ANSWER=> 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 - CORRECT ANSWER=> manual air tank drain"
"the part of the air brake system in which water and oil are automatically expelled - CORRECT
ANSWER=> 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 - CORRECT ANSWER=> safety valve"
"the ___ part of the air brake system tells you how much pressure is left in the air tanks - CORRECT
ANSWER=> supply pressure gauges"
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, "the ____ shows you how much air pressure you are applying to the breaks - CORRECT ANSWER=>
application pressure gauge"
"if the air pressure in the tanks falls below ___, the low air pressure warning will come on. - CORRECT
ANSWER=> 60psi"
"___ brakes are held back by air pressure and are the mechanical force which keeps the emergency and
parking brakes in place - CORRECT ANSWER=> spring brakes"
"in newer vehicles, you engage the parking breaks by using this knob - CORRECT ANSWER=> diamond-
shaped, yellow, push-pull knob"
"never push the break pedal down when the ___ brakes are on - CORRECT ANSWER=> spring breaks"
"the first step to checking the air brakes is to see if the air pressure drops more than ____ pounds in ___
minute - CORRECT ANSWER=> 3 pounds in 1 minute"
"the second step to checking the air brakes is to ____ - CORRECT ANSWER=> 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 -
CORRECT ANSWER=> 20-40 psi"
"7 additional things that must be checked when doing an air brake check - CORRECT ANSWER=> 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 - CORRECT ANSWER=> 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 - CORRECT ANSWER=> 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 - CORRECT ANSWER=> stab
breaking"
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