CDL practice test (100% Correct Answers)

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. correct answers 50 Who is responsible for safely transporting a hazardous material shipment without delay and keeping the shipping papers in the right place? correct answers the driver You find an overheated tire during an enroute inspection. If you are hauling hazardous materials, you must: correct answers Remove 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: correct answers to communicate the risk The total transport index of all radioactive material packages in a single vehicle must not exceed ____. correct answers 50 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: correct answers before starting the trip Which three hazard classes should not be loaded into a trailer that has a heater / air conditioner unit. correct answers flammable liquids flammable gas explosives What is the only exception to certification by a shipper? correct answers Correct 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. correct answers correct The explosives have been placed at least 200 feet away from the vehicles and occupied buildings. When handling packages of explosives, you must: correct answers Correct Never use hooks or other metal tools When driving with more than one trailer, which trailer should be the first one behind the tractor? correct answers correct 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. correct answers Correct 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: correct answers Correct Answer: Air escape from the open valve