CDL Practice Test Exam With 100% Correct Answers 2024

CDL Practice Test Exam With 100% Correct Answers 2024 A railroad crossing is ahead of you and you are hauling hazardous material. When you stop for the crossing, you can stop as far away as ____ feet from the nearest rail. - answer50 Who is responsible for safely transporting a hazardous material shipment without delay and keeping the shipping papers in the right place? - answerthe driver You find an overheated tire during an enroute inspection. If you are hauling hazardous materials, you must: - answerRemove the tire and place it a safe distance from the vehicle. The intent of hazardous materials regulations is to ensure safety, to contain the material, and: - answerto communicate the risk The total transport index of all radioactive material packages in a single vehicle must not exceed ____. - answer50 You are going to be hauling hazardous materials over a route you do not know well. When should you check the route and get the permits needed for the trip: - answerbefore starting the trip Which three hazard classes should not be loaded into a trailer that has a heater / air conditioner unit. - answerflammable liquids flammable gas explosives What is the only exception to certification by a shipper? - answerCorrect When the shipper is a private carrier of his own product. A truck carrying explosives has crashed with another vehicle. You should not pull them apart until. - answercorrect The explosives have been placed at least 200 feet away from the vehicles and occupied buildings. When handling packages of explosives, you must: - answerCorrect Never use hooks or other metal tools When driving with more than one trailer, which trailer should be the first one behind the tractor? - answercorrect Answer: The heaviest trailer You are driving a 100 foot twin trailer combination at 50 mph. The road is dry and the visibility is good. You should keep at least ____ seconds of space ahead of you. - answerCorrect Answer: 11 With the hand valve on, you should test the trailer brakes by opening the service line valve at the rear of the rig. When you do this, you should hear: - answerCorrect Answer: Air escape from the open valve You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should: - answerCorrect Answer: Use controlled or stab braking Converter dollies: - answerCorrect Answer: Often do not have spring brakes The crack the whip effect that troubles trucks with trailers. Which is most likely to tip over: - answerCorrect Answer: The rear trailer of a triple You are doing a walk around inspection of a double or triple trailer rig. You should be sure the converter dolly air tank drain valves are ____ and the pintle hook is ____. - answerclosed, latched When does the "driver's manual" advise disconnecting the steering axle brakes to help keep the rig straight? - answerCorrect Answer: Never If a converter dolly is still under the second trailer and you unlock the pintle hook, what will probably happen? - answerCorrect Answer: The dolly tow bar may fly up You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should: - answer: Use controlled or stab bra