Combination #2
Combination Vehicles Practice Test | Idaho 2024 #2 Page 2 of 3
Train for FREE online with our Idaho 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 ID combination license in 2024, 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 . When glad hands are coupled, the seals should be pressed together at a ____ angle.
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.
9 . Trailers built before ____ are not required to have spring brakes.
Trailers built before 1975 are not required to have spring brakes. When parking a trailer without spring brakes, be sure to use wheel chocks to prevent the trailer from rolling.
10 . If the emergency air line loses pressure:
The tractor protection valve keeps air in the trailer's braking system should the trailer break away or develop a leak. A loss of air pressure in the emergency line will cause the tractor protection valve to open and the emergency trailer brakes to activate.
11 . The best way to recognize that your trailer has started to skid is by:
The easiest way to become aware that your trailer has begun to jackknife is to observe it in your mirrors. Checking your trailer in your mirrors will also allow you to spot any skidding at the earliest possible moment.
12 . When a combination vehicle goes around a corner:
When a vehicle goes around a corner, the rear wheels follow a different path than the front wheels. This is called off-tracking. This effect is especially pronounced on vehicles with trailers.
13 . When coupling, you should:
When coupling air brake hoses, you should make sure the proper pairs of gland hands are connected. They are sometimes color-coded to help drivers avoid mistakes. Typically, blue is used for service lines and red is used for emergency lines.
14 . When should the trailer hand valve be used?
The trailer hand valve, also called the trolley valve or Johnson bar, is used to work the trailer brakes. It should be used only to test the brakes. Using it while a vehicle is in motion could cause a skid.
2024 Idaho | Frequently Asked Questions
A CDL Class A license in Idaho is defined as a commercial driver's license that allows the holder to operate any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, provided the towed vehicle is heavier than 10,000 pounds. It typically covers vehicles like tractor-trailers, truck and trailer combinations.
A Class A CDL license in Idaho allows the holder to operate vehicles such as tractor-trailers, truck and trailer combinations, tank vehicles, livestock carriers, and flatbeds. The license covers any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more if the towed vehicle exceeds 10,000 pounds.
To obtain a Class A CDL license in Idaho, you must be at least 18 years old (21 for interstate driving), possess a valid Idaho non-commercial license, pass a vision test, and successfully complete knowledge and skills tests. You also need to provide proof of age, identity, residency, and social security number. Medical requirements must be met too.
In Idaho, you must be at least 18 years old to qualify for a Class A CDL license for intrastate driving (within Idaho). However, you must be at least 21 years old to drive a commercial vehicle across state lines, carry hazardous materials, or transport interstate freight within the state.
While specific endorsements are not required for a Class A CDL license, they can provide additional permissions. Endorsements include H for hazardous materials, N for tank vehicles, P for passenger vehicles, S for school buses, T for double/triple trailers. Each endorsement requires passing additional knowledge and skills tests.
The Class A CDL skills test in Idaho encompasses three main parts: a pre-trip inspection, a basic vehicle control test, and an on-road driving test. The pre-trip inspection assesses your ability to inspect your vehicle before driving. The basic control test evaluates your ability to maneuver and control the vehicle. The on-road test examines your on-road driving skills.
Yes, there are limitations. Class A CDL license holders in Idaho are not allowed to operate a vehicle with a Gross Vehicle Weight Rating (GVWR) of more than 26,001 pounds, or tow a vehicle heavier than 10,000 pounds unless they have the appropriate endorsements. They also cannot transport hazardous materials without an H endorsement or operate a passenger vehicle without a P endorsement.
In Idaho, the written Class A Commercial Driver's License (CDL) test is typically administered in English. However, some locations may offer the test in Spanish. It is important to note that all CDL holders must be able to read and speak English well enough to converse with the general public, understand highway traffic signs and signals, respond to official inquiries, and make entries on reports and records.
Yes, you can request accommodations for the Class A CDL written test in Idaho if you have a disability. The Idaho Transportation Department complies with the Americans with Disabilities Act (ADA) and provides reasonable accommodations for applicants with disabilities. However, you must still meet the essential eligibility requirements for obtaining a CDL.
If you fail the Class A CDL written test in Idaho, you'll be allowed to retake the test. However, you have to wait at least three days before you can retake it. If you fail three times, you must wait 30 days before retesting. There's no limit to the number of times you can retake the test, but each attempt requires a new fee.