Louisiana Class D Chauffers License: Test Questions with 100% Verified Answers | Latest Update 2023/2024

If a load extends four or more feet past the bed or body of any vehicle, a ____ 12 inches square must be attached to the extreme rear of the load during daylight hours -AnswerRed flag All trailers with a gross weight of ____ or more are required to be equipped with brakes -Answer- 3,000 pounds If a load extends four or more feet past the bed or body of any vehicle, a red flag ____ square must be attached to the extreme rear of the load during daylight hours -Answer12 Inches Trailers are required to have ____, ____, ____, ____, and ____ -Answer- Taillights, brake lights, side marker lights, turn signals, side and rear reflectors If a load extends four or more feet past the bed or body of any vehicle, at night, a ____ must be attached to the extreme rear of the load and visible for at least 500 feet to the sides and rear -Answer- Red light When loading a trailer you want to balance weight from ____ -Answer- Side to side If a load extends four or more feet past the bed or body of any vehicle, at night, a red light must be attached to the extreme rear of the load and visible for at least ____ to the sides and rear. -Answer- 500 feet When loading a trailer you want to distribute cargo weight evenly along ____ of the trailer -Answer- The length Maximum speed for any vehicle in Louisiana is ____ -Answer- 70 mph When loading a trailer you want to ____ and ____ all items to prevent them from moving or fall off during travel -Answer- Secure, brace When pulling or towing another motor vehicle the speed limit is -Answer- 45 mph When loading a trailer you should adjust ____ of the tow vehicle/trailer connection - Answer- The height School buses are limited to ____ when frequently stopping to load or unload children - Answer- 35 mph When loading a trailer you should apply ____ (weight distributing hitch bars) -AnswerLoad leveling On rural highways, outside residential areas or business districts, drivers of motor trucks must not follow within ____ of one another except to pass -Answer- 400 feet High beam headlights must be dimmed no less than ____ from oncoming traffic and ____ of a vehicle being followed -Answer- 500 feet, 200 feet You must not let your vehicle coast downhill with the clutch ____ or the gear in ____ - Answer- Disengaged, neutral You must stop within ____ but not closer than ____ from the nearest rail. -Answer- 50 feet, 15 feet Vehicles transporting passengers for hire must be equipped with at least a type ____ fire extinguisher, completely filled and in working condition -Answer- 2-BC Tow trucks must be equipped with at least one ____ fire extinguisher capable of extinguishing flammable liquid fires, completely filled and in working condition -Answer4-BC Motor vehicles transporting explosives must be equipped with at least one fire extinguisher with a rating of at least ____, completely filled and in working condition - Answer- 10-BC Every truck must have a device this device to minimize the spray or splash of water or mud or loose road surface material to the rear -Answer- Mud flap Freight carrying vehicles and passenger buses must carry three of these items -AnswerFlares, electric red lanterns, or red portable reflectors Freight carrying vehicles and passenger buses must carry two of these items -Answer12-inch square red cloth flags with standards Trucks carrying explosives, flammable liquids, compressed gases, or using compressed gas as a fuel must use ____ or ____ only -Answer- Red electric lanterns, red emergency reflectors When the vehicle breaks down, one signal must be placed ____ behind the vehicle and ____ forward of the vehicle. A third signal must be on the traffic side of the truck ____ to the front or rear -Answer- 100 feet, 100 feet, 10 feet When towing another vehicle, the draw bar or other connection must of sufficient strength to pull all towed weight and must not exceed ____ -Answer- 15 feet A rear view mirror must reflect a view of the highway for a distance of ____ to the rear, regardless of the load of the vehicle -Answer- 200 feet Any motor vehicle shall not be driven when any of the required ____ or ____ is obscured by the tailboard, by any part of the load, by dirt or otherwise -Answer- Lamps, reflectors All trailers or semi-trailers with a gross vehicle weight rating of ____ or more must be equipped with brakes adequate to stop and hold it. -Answer- 3,000 pounds Drivers should use ____ as the principal means of controlling speed on long grades. - Answer- Engine compression If your brakes should fail on a level road, you should ____ and use engine compression to slow down -Answer- Downshift Air brake systems are three braking systems combined: the ____ brake system, the ____ brake system, and the ____ brake system -Answer- Service, parking, emergency ____ brake system applies and releases the brakes when you use the brake pedal during normal driving -Answer- Service ____ brake system applies and releases the parking brakes when you use the parking brake control -Answer- Parking ____ brake system uses part of the service and parking brake's system to stop the vehicle in the event of a brake system failure -Answer- Emergency Pumps air into the air storage tanks (reservoirs) -Answer- Air compressor Controls when the air compressor will pump air into the air storage tanks -Answer- Air compressor governor Used to hold compressed air -Answer- Air storage tanks Operated by turning a quarter turn or by pulling a cable. You must drain the tanks yourself at the end of each day of driving -Answer- Manual air tank drain Water and oil is automatically expelled. They may be equipped for manual draining as well -Answer- Automatic air tank drain Protects the tank and the rest of the system from too much pressure. The valve is usually set to open at 150 psi -Answer- Safety valve These gauges tell you how much pressure is in the air tanks -Answer- Supply pressure gauges This gauge shows how much air pressure you are applying to the brakes -AnswerApplication pressure gauge Comes on before the air pressure in the tanks falls below 60 psi -Answer- Low air pressure warning Holds emergency and parking brakes back by mechanical force -Answer- Spring brakes Used to engage the parking brakes in newer vehicles with air brakes -Answer- Diamond shaped, yellow, pull-push control knob Put on the brakes as hard as you can without locking the wheels (do not turn the steering wheel while doing this) -Answer- Controlled braking 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 -Answer- 10,001- 26,001 pounds A Class D license allows for a driver-for-fire to drive any vehicle fitting into the Class __ requirements -Answer- E you must be ____ years old to receive a class D license -Answer- 17 the maximum width for all vehicles except buses is ___ -Answer- 8 feet the maximum width for buses is ____ -Answer- 8ft 6in the load may not project more than ___ beyond the width of the body -Answer- 6in the maximum height for all vehicles is ___ -Answer- 13ft 6in the maximum length for any single vehicle including its load is ___ -Answer- 40ft the maximum length for a truck-tractor and trailer combination is ___ -Answer- 65ft the maximum height, length, and width requirements do not apply to ____, ______, or ____ as long as they are operating during daylight -Answer- auto carriers, trailers hauling poles or pilings, trailers hauling logs when securing a load, the contents must not be allowed to ____, ____, _____, or ______ and the cover must be securely fastened -Answer- drop, shift, leak, otherwise escape any load may not extend more than ____ in front of the vehicle -Answer- 4ft any load except for poles, pilings, and logs may not extend more than ___ beyond the rear of the vehicle -Answer- 8ft poles, pilings, and logs may not extend more than ___ beyond the rear of the trailer - Answer- 15ft 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 - Answer- 4 ft, red flag, red light the red light attached to the load at night must be visible from ____ -Answer- 500ft when pulling or towing another motor vehicle the speed limit is _____ -Answer- 45 mph the speed limit for school buses which are frequently stopping to load or unload children is ___ -Answer- 35mph for all other vehicle, where the posted speed limit permits, the maximum speed limit is ___ -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 -Answer- 400 ft high beam headlights must be dimmed at ___ from oncoming traffic and ____ from a vehicle being followed -Answer- 500ft, 200ft you must stop within___ but not closer than ___ from the a railway crossing -Answer50ft, 15ft vehicles transporting passengers must be equipped with this type of fire extinguisher - Answer- 2-BC tow trucks must have this type of fire extinguisher -Answer- 4-BC vehicles transporting explosives must have this type of fire extinguisher -Answer- 10-BC freight carrying vehicles and passenger buses must carry either 3 ____, 3____, or 3 ____ and 2____ as warning equipment. -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 -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 -Answer100 ft, 100ft, 10ft