Louisiana Class D Chauffeurs License Test Flashcards

Louisiana Class D "Chauffeur's" License Test Flashcards 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 the ____ shows you how much air pressure you are applying to the breaks application pressure gauge never push the break pedal down when the ___ brakes are on spring breaks the third step of checking the air brakes is to make sure the parking brake valve closes at ____psi 20-40 psi the red light attached to the load at night must be visible from ____ 500ft tow trucks must have this type of fire extinguisher4-BC brakes can fail or fade from ___ caused by ___ excessive heat caused by using them too much or improper adjustment 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 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 vehicles transporting explosives must have this type of fire extinguisher 10-BC the ___ part of the air brake system tells you how much pressure is left in the air tanks supply pressure gauges you must be ____ years old to receive a class D license17 when securing a load, the contents must not be allowed to ____, ____, _____, or ______ and the cover must be securely fastened drop, shift, leak, otherwise escape ___ brakes are held back by air pressure and are the mechanical force which keeps the emergency and parking brakes in place spring brakes 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 poles, pilings, and logs may not extend more than ___ beyond the rear of the trailer 15ft the rear view mirror must reflect an image reaching at least ____ behind the vehicle 200ft 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

___ brakes are a safe way of stopping large vehicle when used correctly air the first step to checking the air brakes is to see if the air pressure drops more than ____ pounds in ___ minute

• pounds in 1 minute

vehicles transporting passengers must be equipped with this type of fire extinguisher 2-BC A Class D license allows for a driver-for-fire to drive any vehicle fitting into the Class __ requirements E 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

• ft, red flag, red light

you must stop within___ but not closer than ___ from the a railway crossing 50ft, 15ft the maximum length for a truck-tractor and trailer combination is ___ 65ft the second step to checking the air brakes is to ____make sure the low air pressure warning signals are working high beam headlights must be dimmed at ___ from oncoming traffic and ____ from a vehicle being followed 500ft, 200ft in newer vehicles, you engage the parking breaks by using this knob diamond-shaped, yellow, push-pull knob the maximum width for all vehicles except buses is ___8 feet 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 the part of the air brake system which pumps air into the air storage tanks air compressor when pulling or towing another motor vehicle the speed limit is _____ 45 mph

• methods of emergency breakingcontrolled or stab

the equation which equals the total stopping distance for vehicles with air brakes perception distance + reaction distance + brake lag distance + effective braking distance 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 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 if the air pressure in the tanks falls below ___, the low air pressure warning will come on.60psi the maximum height for all vehicles is ___ 13ft 6in for all other vehicle, where the posted speed limit permits, the maximum speed limit is ___ 70mph 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

any load may not extend more than ____ in front of the vehicle 4ft the speed limit for school buses which are frequently stopping to load or unload children is ___ 35mph

• additional things that must be checked when doing an air

brake check 1)air compressor drive belt2) manual slack adjusters on S-cam brakes3) brake drums, linings, and hoses4) rate of air pressure buildup5) air compressor governor cut-in and cut-out pressures6) parking brake7) service brakes if the low air pressure warning for the air brake system comes on you should __ stop and safely park as soon as possible 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 in which water and oil are automatically expelled automatice air tank drain flares or fuses are not allowed on these trucks those carrying explosives, flammable liquids, compressed gases, or those using compressed gas for fuel 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 maximum length for any single vehicle including its load is ___ 40ft any load except for poles, pilings, and logs may not extend more than ___ beyond the rear of the vehicle 8ft 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 maximum width for buses is ____8ft 6in 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 the load may not project more than ___ beyond the width of the body 6in vehicles weighing or carrying more than ___ must be equipped with extra brakes 3,000 pounds with air brakes it takes ____ for the air to flow through the lines to the brakes 1/2 second or more