Louisiana Class D Chauffeur's License Test Questions and Correct Answers Latest Version Guaranteed A+ At First Attempt ___ brakes are a safe way of stopping large vehicle when used correctly - Correct Answerair
___ brakes are held back by air pressure and are the mechanical force which keeps the emergency and parking brakes in place - Correct Answerspring brakes
- methods of emergency breaking - Correct Answercontrolled or stab
- additional things that must be checked when doing an air brake check - Correct
Answer1)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
A Class D license allows for a driver-for-fire to drive any vehicle fitting into the Class __ requirements - Correct AnswerE
any load except for poles, pilings, and logs may not extend more than ___ beyond the rear of the vehicle - Correct Answer8ft
any load may not extend more than ____ in front of the vehicle - Correct Answer4ft
any time you park you should use the parking brake except for these 2 exceptions - Correct Answerthe brakes are very hot or in the brakes are wet and the temperature is freezing
brakes can fail or fade from ___ caused by ___ - Correct Answerexcessive heat caused by using them too much or improper adjustment
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 - Correct Answer10,001-26,001 pounds
flares or fuses are not allowed on these trucks - Correct Answerthose carrying explosives, flammable liquids, compressed gases, or those using compressed gas for fuel
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for all other vehicle, where the posted speed limit permits, the maximum speed limit is ___ - Correct Answer70mph
freight carrying vehicles and passenger buses must carry either 3 ____, 3____, or 3 ____ and 2____ as warning equipment. - Correct Answerflares, electric red lanterns or red portable reflectors, and 2 12 inch square red cloth flags
high beam headlights must be dimmed at ___ from oncoming traffic and ____ from a vehicle being followed - Correct Answer500ft, 200ft
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 Answer4 ft, red flag, red light
if the air pressure in the tanks falls below ___, the low air pressure warning will come on. - Correct Answer60psi
if the low air pressure warning for the air brake system comes on you should __ - Correct Answerstop and safely park as soon as possible
in newer vehicles, you engage the parking breaks by using this knob - Correct Answerdiamond-shaped, yellow, push-pull knob
never push the break pedal down when the ___ brakes are on - Correct Answerspring breaks
on rural highways, outside residential area or business districts, drivers of motor trucks must not follow within _____ of one another except to pass - Correct Answer400 ft
poles, pilings, and logs may not extend more than ___ beyond the rear of the trailer - Correct Answer15ft
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 Answersafety valve
the ___ part of the air brake system tells you how much pressure is left in the air tanks - Correct Answersupply pressure gauges
the ____ shows you how much air pressure you are applying to the breaks - Correct Answerapplication pressure gauge
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 Answer15 ft
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