Louisiana Class D "Chauffeur’s" License Test – Flashcards
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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
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10,001-26,001 pounds
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A Class D license allows for a driver-for-fire to drive any vehicle fitting into the Class __ requirements
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E
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you must be ____ years old to receive a class D license
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17
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the maximum width for all vehicles except buses is ___
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8 feet
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the maximum width for buses is ____
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8ft 6in
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the load may not project more than ___ beyond the width of the body
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6in
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the maximum height for all vehicles is ___
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13ft 6in
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the maximum length for any single vehicle including its load is ___
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40ft
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the maximum length for a truck-tractor and trailer combination is ___
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65ft
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the maximum height, length, and width requirements do not apply to ____, ______, or ____ as long as they are operating during daylight
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auto carriers, trailers hauling poles or pilings, trailers hauling logs
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when securing a load, the contents must not be allowed to ____, ____, _____, or ______ and the cover must be securely fastened
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drop, shift, leak, otherwise escape
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any load may not extend more than ____ in front of the vehicle
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4ft
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any load except for poles, pilings, and logs may not extend more than ___ beyond the rear of the vehicle
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8ft
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poles, pilings, and logs may not extend more than ___ beyond the rear of the trailer
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15ft
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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
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4 ft, red flag, red light
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the red light attached to the load at night must be visible from ____
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500ft
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when pulling or towing another motor vehicle the speed limit is _____
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45 mph
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the speed limit for school buses which are frequently stopping to load or unload children is ___
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35mph
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for all other vehicle, where the posted speed limit permits, the maximum speed limit is ___
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70mph
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on rural highways, outside residential area or business districts, drivers of motor trucks must not follow within _____ of one another except to pass
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400 ft
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high beam headlights must be dimmed at ___ from oncoming traffic and ____ from a vehicle being followed
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500ft, 200ft
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you must stop within___ but not closer than ___ from the a railway crossing
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50ft, 15ft
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vehicles transporting passengers must be equipped with this type of fire extinguisher
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2-BC
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tow trucks must have this type of fire extinguisher
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4-BC
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vehicles transporting explosives must have this type of fire extinguisher
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10-BC
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freight carrying vehicles and passenger buses must carry either 3 ____, 3____, or 3 ____ and 2____ as warning equipment.
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flares, electric red lanterns or red portable reflectors, and 2 12 inch square red cloth flags
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flares or fuses are not allowed on these trucks
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those carrying explosives, flammable liquids, compressed gases, or those using compressed gas for fuel
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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
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100 ft, 100ft, 10ft
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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
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15 ft
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the rear view mirror must reflect an image reaching at least ____ behind the vehicle
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200ft
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vehicles weighing or carrying more than ___ must be equipped with extra brakes
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3,000 pounds
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___ brakes are a safe way of stopping large vehicle when used correctly
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air
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the three braking systems that make up an air brake system are
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service brake, parking brake, and emergency brake
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the part of the air brake system which pumps air into the air storage tanks
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air compressor
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the part of the air brake system which controls when the air compressor will pump air into the air storage tanks
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air compressor governor
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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
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manual air tank drain
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the part of the air brake system in which water and oil are automatically expelled
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automatice air tank drain
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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
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safety valve
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the ___ part of the air brake system tells you how much pressure is left in the air tanks
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supply pressure gauges
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the ____ shows you how much air pressure you are applying to the breaks
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application pressure gauge
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if the air pressure in the tanks falls below ___, the low air pressure warning will come on.
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60psi
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___ brakes are held back by air pressure and are the mechanical force which keeps the emergency and parking brakes in place
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spring brakes
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in newer vehicles, you engage the parking breaks by using this knob
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diamond-shaped, yellow, push-pull knob
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never push the break pedal down when the ___ brakes are on
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spring breaks
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the first step to checking the air brakes is to see if the air pressure drops more than ____ pounds in ___ minute
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3 pounds in 1 minute
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the second step to checking the air brakes is to ____
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make sure the low air pressure warning signals are working
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the third step of checking the air brakes is to make sure the parking brake valve closes at ____psi
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20-40 psi
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7 additional things that must be checked when doing an air brake check
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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
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2 methods of emergency breaking
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controlled or stab
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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
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controlled braking
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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
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stab breaking
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with air brakes it takes ____ for the air to flow through the lines to the brakes
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1/2 second or more
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the equation which equals the total stopping distance for vehicles with air brakes
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perception distance + reaction distance + brake lag distance + effective braking distance
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if the low air pressure warning for the air brake system comes on you should __
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stop and safely park as soon as possible
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brakes can fail or fade from ___ caused by ___
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excessive heat caused by using them too much or improper adjustment
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any time you park you should use the parking brake except for these 2 exceptions
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the brakes are very hot or in the brakes are wet and the temperature is freezing
