Combination #2
Combination Vehicles Practice Test | Delaware 2025 #2 Page 3 of 3
Train for FREE online with our Delaware CDL combination vehicle test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a DE combination license in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that DMV requirements for issuing a combination license may vary from state to state.
20
16
20
15 . Before beginning a trip, you should:
Before a trip, you should ensure that air reaches all air brakes on all trailers by opening up the rear emergency line and service line shut-off valves and listening for escaping air. Close both shut-off valves before beginning to drive.
16 . Keeping cargo centered on a rig can:
A rollover is more likely if cargo is unevenly loaded in a rig. To help prevent a dangerous rollover, it is important to keep a load as centered on the rig as possible.
17 . If an air supply control is in its "emergency" position:
Tractor protection controls in older vehicles may be operated by levers instead of knobs. If an air supply control is set in its "emergency" position, the air supply will be stopped and the trailer emergency brakes will be applied.
18 . When driving a vehicle equipped with an Anti-Lock Braking System (ABS), brakes should be applied:
When driving a vehicle with ABS, you should brake in the same manner as you would in a vehicle without ABS.
19 . When backing up while coupling a trailer, the tractor should be positioned:
When backing up to couple a trailer, you should position the tractor directly in front of the trailer. Trying to couple while backing at an angle could cause the trailer to move and the landing gear to break.
20 . All trailers made after ____ must be equipped with Anti-Lock Braking Systems (ABS).
All trailers and converter dollies manufactured on or after March 1, 1998 must have Anti-Lock Braking Systems (ABS).
Search the best driving school in your neighbourhood
2025 Delaware | Frequently Asked Questions
To acquire a CDL Tank endorsement in Delaware, you must first have a Commercial Driver's License (CDL). Next, you'll need to pass a written knowledge test specific to tank vehicles. The test covers topics like inspecting tank vehicles, driving tank vehicles, and safe driving rules. The Delaware DMV offers study materials to help you prepare for the test.
To obtain a CDL Tank license, it's essential to already have a Commercial Driver's License (CDL). Then, you must pass a written knowledge test specific to tank vehicles. The test covers areas such as inspecting tank vehicles, driving them, and understanding safe driving rules. Preparation materials are available through the Delaware DMV to aid in your study for the test.
While specific training or experience is not mandatory for a CDL Tank endorsement in Delaware, it's highly recommended. Having practical experience or training can help you pass the specific written knowledge test, which covers areas such as inspecting and driving tank vehicles, and understanding safe driving rules. However, the requirement is passing the test, not prior training or experience.
Yes, an additional written knowledge test is required to obtain a CDL Tank endorsement in Delaware. This test focuses on specific areas related to tank vehicles, including inspection, driving, and safe driving rules. It's recommended to study the provided materials and guides from the Delaware DMV to prepare for this test.
The written test for the CDL Tank endorsement in Delaware covers subjects such as tanker truck inspection, proper loading and unloading procedures, safe driving techniques for transporting liquids or gases, and emergency response protocols. It also includes questions on understanding placards and hazardous materials regulations.
The CDL Tank endorsement assessment doesn't include a skills or maneuvers test. It only requires a written knowledge test. The test covers subjects like inspecting tank vehicles, safe driving rules, and driving tank vehicles. It's crucial to understand the high center of gravity in tank vehicles and how to handle surge, among other things.
Yes, there are some limitations. Drivers with a CDL Tank endorsement are only allowed to operate commercial motor vehicles designed to transport any liquid or gaseous materials within a tank. Additionally, the tank must have a rated capacity of 1,000 gallons or more. Also, certain hazardous materials may require additional endorsements.
No, transporting liquid or gas materials without a valid CDL Tank endorsement is illegal in Delaware. This endorsement is required to ensure that drivers have the necessary skills and knowledge to handle such materials safely. Violating this rule could result in serious penalties, including fines and suspension of the driver's commercial driving license.
Yes, a CDL Tank endorsement can be added to your existing CDL. You don't need to apply for a new license. However, you will need to pass the Tank endorsement written test. Upon passing, the Tank endorsement will be added to your current CDL, and you can then legally operate tank vehicles.
Yes, handling hazardous materials requires a separate Hazardous Materials (HazMat) endorsement in addition to the CDL Tank endorsement. Applicants must pass a written test, undergo a TSA background check, and be fingerprinted. Furthermore, carriers must follow specific federal and state regulations for packaging, labeling, and transporting hazardous materials.
