Combination #2
Combination Vehicles Practice Test | Pennsylvania 2025 #2 Page 2 of 3
Train for FREE online with our Pennsylvania 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 PA 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.
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8 . Fully-loaded rigs:
Should not be driven.
Because the weight of cargo gives them a higher center of gravity, fully-loaded rigs are 10 times more likely to roll over in a crash than empty rigs.
9 . Combination vehicles:
Are easier to drive than single commercial vehicles.
Combination vehicles are usually heavier and longer than single commercial vehicles. For these reasons, they usually require more driving skill than single commercial vehicles.
10 . When connecting a converter dolly to a second or third trailer, the trailer height should be:
Next to the center of the fifth wheel.
When connecting a converter dolly to a second or third trailer, the trailer height should be correct. It should be slightly lower than the center of the fifth wheel.
11 . When glad hands are coupled, the seals should be pressed together at an angle of:
90 degrees.
When coupling, be sure to couple the proper glad hands. When glad hands are connected, the seals should be pressed together at a 90-degree angle.
12 . After coupling, there should be ____ between the upper and lower fifth wheel.
Three inches of space
Before a trip, be sure to inspect all couplings. There should be no space between the upper and lower fifth wheel.
13 . When backing a trailer, how should you turn the steering wheel?
It depends on where the trailer is being backed.
When backing with a trailer, turn the top of the steering wheel in the direction opposite of where you want to go. Once the trailer begins turning, you should then switch the direction of the steering wheel to follow the trailer.
14 . What does the trailer air supply control look like?
It is a circular orange knob.
On newer vehicles, the trailer air supply control is an eight-sided red knob. It's used to control the tractor protection valve.
2025 Pennsylvania | Frequently Asked Questions
To get a CDL Hazmat endorsement in Pennsylvania, first obtain a Commercial Driver's License (CDL). Then, pass the Hazardous Materials Endorsement Knowledge Test. After passing, you'll need to undergo a federal TSA background check. Once cleared, take your test results and TSA clearance to PennDOT to have the Hazmat endorsement added to your CDL.
To obtain a CDL Hazmat license, you must first have a Commercial Driver's License (CDL). You must also be at least 21 years old, be a U.S. citizen or have legal status, and be able to read and speak English. Additionally, you'll need to pass a Hazardous Materials Endorsement Knowledge Test and a TSA background check.
When applying for a CDL Hazmat endorsement, you'll need your current Commercial Driver's License (CDL), proof of U.S. citizenship or legal status (like a passport or birth certificate), and a completed Hazardous Materials Endorsement application. You'll also need to provide your TSA background check results once they're available.
Yes, there is a dedicated written test for the CDL Hazmat endorsement. The Hazardous Materials Endorsement Knowledge Test covers information related to transporting hazardous materials safely. This includes understanding hazard classifications, placarding rules, loading and unloading procedures, and emergency response procedures. It's important to study thoroughly to pass this test.
The written test for the CDL Hazmat endorsement covers a variety of topics related to hazardous materials. These include identifying different types of hazardous materials, understanding shipping papers and placards, knowing how to safely load and unload hazardous materials, understanding the rules for transporting hazardous materials, and knowing what to do in case of an emergency situation.
Yes, there are additional charges associated with obtaining a CDL Hazmat endorsement. You'll need to pay for the TSA background check, which costs around $86.50. Additionally, the Pennsylvania Department of Transportation charges a fee for adding the Hazmat endorsement to your CDL, which is typically $5.00. However, these fees can vary and may change over time.
Yes, obtaining a CDL Hazmat endorsement in Pennsylvania requires a background check. The Transportation Security Administration (TSA) conducts this check to ensure you're not a security risk. This process includes fingerprinting and checking criminal, immigration, and mental health records. Only after passing this check can you receive your Hazmat endorsement.
Yes, specialized training is required for the CDL Hazmat endorsement. Applicants must pass a written test covering topics such as loading and unloading hazardous materials, bulk tank loading, and driver responsibilities. After passing the test, they are granted the Hazmat endorsement on their CDL. It's important to study the Pennsylvania CDL manual's hazardous materials section to prepare.
No, you cannot legally transport hazardous materials without a valid CDL Hazmat endorsement in Pennsylvania. This endorsement ensures that drivers have the necessary knowledge and skills to safely handle and transport hazardous materials. Violating this regulation can result in hefty fines, license suspension, or even imprisonment.
Yes, you can add the CDL Hazmat endorsement to your current CDL license in Pennsylvania. You don't need to apply for a new license. However, you must pass the Hazmat knowledge test and undergo a TSA background check. Once these are successfully completed, the Hazmat endorsement will be added to your existing CDL.