Louisiana: CLASS D "CHAUFFEUR'S" LICENSE Exam Practice Questions and Answers | Latest Update Graded A+

Explain the "following distance" rule for Class "D" vehicles: - correct answers On rural highways, outside residential areas or business districts, drivers of motor trucks must not follow within 400 feet of one another except to pass. Also, high beam headlights must be dimmed no less than 500 feet from oncoming traffic and 200 feet of a vehicle being followed. Explain when you are allowed to coast your Class "D" vehicle: - correct answers You must not let your vehicle coast downhill with the clutch disengaged or the gear in neutral. Louisiana Chapter 10: GENERAL INFORMATION FOR CLASS D "CHAUFFEUR'S" LICENSE Exam Questions Solved () Explain the rules in regards to railroad stops: - correct answers You must stop within 50 feet but not closer than 15 feet from the nearest rail. You may not change gears until you have completely crossed over the tracks. This does apply to street-rail crossings within a business or residential district. Explain the equipment rule in regards to fire extinguishers: - correct answers Fire Extinguisher: Vehicles transporting passengers for hire must be equipped with at least a type 2-BC fire extinguisher, completely filled and in working condition. Tow trucks must be equipped with at least one 4-BC fire extinguisher capable of extinguishing flammable liquid fires, completely filled and in working condition. Motor vehicles transporting explosives must be equipped with at least one fire extinguisher with a rating of at least 10-BC, completely filled and in working condition. Explain the equipment rule in regards to fenders and mudguards: - correct answers Fenders and Mudguards: Every truck must have a device ("mud flap") to minimize the spray or splash of water or mud or loose road surface material to the rear. Louisiana Chapter 10: GENERAL INFORMATION FOR CLASS D "CHAUFFEUR'S" LICENSE Exam Questions Solved () Explain the equipment rule in regards to warning equipment: - correct answers Warning equipment: Freight carrying vehicles and passenger buses must carry: • Three (3) flares, three (3) electric red lanterns OR three (3) red portable reflectors. • Two (2) 12-inch square red cloth flags with standards. Explain the rule in regards to carrying explosives, flammable liquids, compressed gases, or using compressed gas a fuel; explain the rule in regards to flares and fuses; explain where the mandatory signals should be placed behind and in front of the vehicle. Where should the signals be; explain where the third signal must be located. - correct answers Trucks carrying explosives, flammable liquids, compressed gases, or using compressed gas as a fuel must use red electric lanterns or red emergency reflectors only. Flares or fuses are not allowed. This equipment must be used immediately any time the vehicle breaks down. One signal must be placed 100 feet behind the vehicle and 100 feet forward of the vehicle. Each of these signals must be in the center of the lane or shoulder. A third signal must be on the traffic side of the truck 10 feet to the front or rear Louisiana Chapter 10: GENERAL INFORMATION FOR CLASS D "CHAUFFEUR'S" LICENSE Exam Questions Solved () Explain the rules when towing another vehicle and what is the exception to this rule? - correct answers When towing another vehicle, the draw-bar or other connection must of sufficient strength to pull all towed weight and must not exceed 15 feet. Exception: Distance can exceed 15 feet when transporting poles, pipes, machinery or other objects which cannot be readily dismembered. Explain the rule in regards to mirrors on Class "D" vehicles: - correct answers A rear view mirror must reflect a view of the highway for a distance of 200 feet to the rear, regardless of the load of the vehicle. Explain the rule in regards to lights on Class "D" vehicles: - correct answers Any motor vehicle shall not be driven when any of the required lamps or reflectors is obscured by the tailboard, by any part of the load, by dirt or otherwise. Explain the rule in regards to brakes on Class "D" vehicles: - correct answers All trailers or semi-trailers with a gross vehicle weight rating of 3,000 pounds or more must be equipped with brakes adequate to stop and hold it. Louisiana Chapter 10: GENERAL INFORMATION FOR CLASS D "CHAUFFEUR'S" LICENSE Exam Questions Solved () Care should be used to avoid excessive use of brakes on long downgrades. Drivers should use engine compression as the principal means of controlling speed on long grades. If your brakes should fail on a level road, you should downshift and use engine compression to slow down. Give an overview of how brakes work: - correct answers Air brakes use compressed air to make the brakes work. You can apply all the braking force you need to each of the wheels of a heavy vehicle. Air brakes are a safe way of stopping large vehicles if the brakes are well maintained and used properly. Air brake systems are three braking systems combined: the service brake system, the parking brake system, and the emergency brake system. Explain the three braking systems: - correct answers The service brake system applies and releases the brakes when you use the brake pedal during normal driving. • The parking brake system applies and releases the parking brakes when you use the parking brake control. • The emergency brake system uses part of the service and parking brake's system to stop the Louisiana Chapter 10: GENERAL INFORMATION FOR CLASS D "CHAUFFEUR'S" LICENSE Exam Questions Solved () vehicle in the event of a brake system failure. Parts of an air brake system: Air Compressor - correct answers Pumps air into the air storage tanks (reservoirs). Parts of an air brake system: Air Compressor Governor - correct answers Controls when the air compressor will pump air into the air storage tanks. Parts of an air brake system: Air Storage Tanks - correct answers Used to hold compressed air. Parts of an air brake system: Air Tank Drains (2 types) - correct answers 1. Manual - 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. 2. Automatic - the water and oil is automatically expelled. They may be equipped for manual draining as well.