LOUISIANA CLASS D CHAUFFEURS LICENSE

LOUISIANA CLASS D “CHAUFFEUR’S ” LICENSE

TEST 250 REAL EXAM

QUESTIONS AND CORRECT ANSWERS

(VERIFIED ANSWERS) AGRADE

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 - ANSWER>> Flares, electric red lanterns, or red portable reflectors Freight carrying vehicles and passenger buses must carry two of these items - ANSWER>> 12-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 1 / 3

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 2 / 3

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 - ANSWER>> Application 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

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