Knowledge Test Class B #1
Class B Driving Test | New York 2026 #1 Page 5 of 7
Train for FREE online with our New York class B license 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 NY CDL class B permit in 2026, 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 CDL class B requirements may vary from state to state.
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29 . When inspecting the exhaust system for defects, which of the following should be fixed?
All of the above
Exhaust system defects can be extremely serious because they may make it possible for poisonous fumes to enter into the cab or sleeper berth. Issues to check for in a pre-trip inspection include loose, broken, or missing exhaust pipes, mufflers, tailpipes, vertical stacks, mounting brackets, clamps, bolts, or nuts; exhaust system parts that are rubbing against fuel system parts, tires, or other moving parts of the vehicle; and exhaust system parts that are leaking.
30 . When traveling with cargo, you must make sure the cargo is secure:
Only after coming to a hard stop.
Cargo should be inspected before beginning a trip, within the first 50 miles of the trip, and every three hours or 150 miles traveled. The driver of a truck transporting cargo is responsible for the cargo being safely secured throughout the trip.
31 . When other vehicles have trouble seeing you at dawn or dusk, you can increase your visibility by:
Turning on your windshield wipers.
At dawn or dusk, and in snowy or rainy conditions, you should turn on your headlights to make it easier for other road users to see your vehicle.
32 . How many daily hours of sleep does an adult need to maintain alertness?
Four to five
Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need seven to eight hours of sleep per night.
33 . If coolant has to be added to a system without a recovery tank, you should:
Wait for the engine to cool before adding coolant.
Before adding coolant to a system without a recovery or overflow tank, you must turn the engine off and wait until it cools. Use gloves or a thick cloth to protect your hands. To release the pressure seal, turn the radiator cap slowly to the first stop.
34 . What is the maximum fine for driving a CMV without a CDL?
$300
You can be fined between $75 and $300 for driving a commercial motor vehicle without the appropriate license.
35 . In an emergency situation, you should:
Always turn on your flashers to warn other drivers.
