Louisiana Class D License Final Exam Questions with Answers Latest Update 2023/2024 (Graded A+)

Louisiana Class D License Final Exam Questions with Answers Latest Update 2023/2024 (Graded A+). 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 answers 4 ft, red flag, red light the red light attached to the load at night must be visible from ____ - correct answers 500ft when pulling or towing another motor vehicle the speed limit is _____ - correct answers 45 mph the speed limit for school buses which are frequently stopping to load or unload children is ___ - correct answers 35mph for all other vehicle, where the posted speed limit permits, the maximum speed limit is ___ - correct answers 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 answers 400 ft Louisiana Class D License Exam Questions with Answers (Latest Update 2023) Graded A+ high beam headlights must be dimmed at ___ from oncoming traffic and ____ from a vehicle being followed - correct answers 500ft, 200ft you must stop within___ but not closer than ___ from the a railway crossing - correct answers 50ft, 15ft vehicles transporting passengers must be equipped with this type of fire extinguisher - correct answers 2-BC tow trucks must have this type of fire extinguisher - correct answers 4-BC vehicles transporting explosives must have this type of fire extinguisher - correct answers 10-BC freight carrying vehicles and passenger buses must carry either 3 ____, 3____, or 3 ____ and 2____ as warning equipment. - correct answers flares, electric red lanterns or red portable reflectors, and 2 12 inch square red cloth flags Louisiana Class D License Exam Questions with Answers (Latest Update 2023) Graded A+ flares or fuses are not allowed on these trucks - correct answers 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 answers 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 answers 15 ft the rear view mirror must reflect an image reaching at least ____ behind the vehicle - correct answers 200ft vehicles weighing or carrying more than ___ must be equipped with extra brakes - correct answers 3,000 pounds Louisiana Class D License Exam Questions with Answers (Latest Update 2023) Graded A+ ___ brakes are a safe way of stopping large vehicle when used correctly - correct answers air the three braking systems that make up an air brake system are - correct answers service brake, parking brake, and emergency brake the part of the air brake system which pumps air into the air storage tanks - correct answers air compressor the part of the air brake system which controls when the air compressor will pump air into the air storage tanks - correct answers 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 answers manual air tank drain the part of the air brake system in which water and oil are automatically expelled - correct answers automatice air tank drain Louisiana Class D License Exam Questions with Answers (Latest Update 2023) Graded A+ 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 answers safety valve the ___ part of the air brake system tells you how much pressure is left in the air tanks - correct answers supply pressure gauges the ____ shows you how much air pressure you are applying to the breaks - correct answers application pressure gauge if the air pressure in the tanks falls below ___, the low air pressure warning will come on. - correct answers 60psi ___ brakes are held back by air pressure and are the mechanical force which keeps the emergency and parking brakes in place - correct answers spring brakes Louisiana Class D License Exam Questions with Answers (Latest Update 2023) Graded A+ in newer vehicles, you engage the parking breaks by using this knob - correct answers diamond-shaped, yellow, push-pull knob never push the break pedal down when the ___ brakes are on - correct answers spring breaks the first step to checking the air brakes is to see if the air pressure drops more than ____ pounds in ___ minute - correct answers 3 pounds in 1 minute the second step to checking the air brakes is to ____ - correct answers 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 answers 20-40 psi 7 additional things that must be checked when doing an air brake check - correct answers 1)air compressor drive belt 2) manual slack adjusters on S-cam brakes Louisiana Class D License Exam Questions with Answers (Latest Update 2023) Graded A+ 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 answers 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 answers 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 answers stab breaking with air brakes it takes ____ for the air to flow through the lines to the brakes - correct answers 1/2 second or more Louisiana Class D License Exam Questions with Answers (Latest Update 2023) Graded A+ the equation which equals the total stopping distance for vehicles with air brakes - correct answers 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 __ - correct answers stop and safely park as soon as possible brakes can fail or fade from ___ caused by ___ - correct answers 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 - correct answers the brakes are very hot or in the brakes are wet and the temperature is freezing Maximum width for vehicles (Excluding Buses) - correct answers 8 feet a) Press the brake pedal as hard as you can. b) Release the brakes when the wheels lock up. c) As soon as the wheels start rolling, put on the brakes fully again - correct answers Stab braking