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所在平台: Udemy |
课程主页: https://www.udemy.com/course/commercial-drivers-license-certified-practice-exam/
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课程名称：商用驾驶员执照认证模拟考试 (Commercial Driver's License Certified Practice Exam) 课程概述： 本课程提供商用驾驶员执照 (CDL) 认证考试的模拟练习题，旨在帮助学员熟悉考试形式和内容，提高通过率。 模拟试题示例及知识点： * **货物遮盖的目的：** 保护行人免受货物倾洒，保护环境免受货物倾洒，以及保护货物免受天气影响。 * **行程中需要检查的项目：** 检查载货稳定性（通过轻微转弯测试），仪表读数，后视镜，运用感官（观察、听、闻）检查问题，以及随车文件（如载货清单、运输文件）。 * **绕行障碍物的策略：** 在两侧都被阻挡的情况下，向右变道是较好的选择，可以避免强迫他人进入对向车道导致迎头碰撞。 * **拖车气路供应控制阀的功能：** 拉出（pull it out）是供应拖车气压，推入（push it in）是关闭气路并施加拖车紧急制动。 * **测试拖车紧急制动的方法：** 充气至拖车气路系统，然后推入气路供应旋钮。关闭发动机，多次踩踏刹车踏板以降低储气罐内的气压。在此过程中，如果拖车气路供应控制阀在制造商指定的压力范围内弹出，则表示测试成功。 课程大纲：无 (None) **总结：** 本课程通过模拟真实考试场景的练习题，涵盖了商用驾驶员安全操作、货物固定、车辆检查、紧急情况应对以及制动系统测试等关键领域，为学员提供了有针对性的备考指导。
Sample Questions:Name the two basic reasons for covering cargo on an open bed?To protect people from spilled cargo, and to protect the environment from spilled cargo.To protect the environment from spilled cargo, and to protect the cargo from weather.To protect people from spilled cargo, and to protect the cargo from weather.To keep cargo secure from possible thieves and to keep cargo a secret.What things should you check during a trip?Manifest and shipping papers.Check for load stability by slightly swerving from left to right within your lane.This is how can you test the trailer emergency brakesMap, directions, and weather report.Watch gauges, mirrors, use your senses to check for problems, look, listen, smell.What is an advantage of going right instead of left around an obstacle?If the shoulder is paved, going right may be best. No one is ever on the shoulder; someone could be passing you on the left. There is no advantage.It is much easier to turn a truck to the right than it is to the left. It is good to make a habit out of going the same way every time.If you are blocked on both sides, a move to the right, At least you wont force anyone into an opposing traffic lane and a possible head on collision.Which of the following best describes what the trailer air supply control does?You pull it out to supply the trailer with air, and push it in to shut the air off and put on the trailer emergency brakesYou push it in to supply the tractor with air, and pull it out to supply the trailer with airYou push it in to supply the trailer with air, and pull it out to shut the air off and put on the trailer emergency brakesYou push it in to supply the trailer with air, and pull it out to supply the tractor with airCharge the trailer air brake system and push the air supply knob in. Shut the engine off. Step on and off the brake pedal several times to reduce the air pressure in the tanks. The trailer air supply control should pop out when the air pressure falls into the pressure range specified by the manufacturer.This is no way to test anythingThis is how can you test the tractor protection valveThis is how can you test the trailer emergency brakesThis is how can you test that air flows to all trailersThis is how can you test the trailer service brakes
