FREE Oregon CDL Practice Test 2024 - DMV Practice Test Page 3 of 7
Today, you'll get a chance to put your knowledge from the Oregon Commercial Driver Manual to the test by completing 50 multiple-choice questions about critical commercial driving themes like safe driving practices, backing, braking, driving in unusual conditions, and more. If necessary, use the suggestion offered with each question, and read the question's explanation, since grasping each idea will help you answer questions correctly on the real written test. To earn a passing score, take this practice exam as many times as needed.
15 . How many daily hours of sleep does an adult need to maintain alertness?
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.
16 . Steering wheel play of more than ____ can make steering difficult.
A steering wheel should have no more than 10 degrees of play. This is equal to about two inches of movement at the rim of a 20-inch wheel. If there is more play than this, it may be difficult to steer.
17 . If coolant has to be added to a system without a recovery tank, you should:
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.
18 . Without engine oil:
It is critical that an engine have sufficient oil pressure. The engine can be destroyed rapidly if run without oil.
19 . Which of the following is true?
Missing clamps, spacers, studs, or lugs are dangerous, as are mismatched, bent, or cracked lock rings. Be sure your tires and rims are in good condition before operating your commercial motor vehicle.
20 . While driving:
Texting while driving a CMV is prohibited. "Texting" is defined as manually entering text into, or reading text from, an electronic device.
21 . When it is difficult to see other vehicles, such as at dawn or dusk, you should:
When driving at dawn, at dusk, or in inclement weather, you should use your headlights on their low beam setting to increase your visibility.
See the exact questions that will be on the 2024 Oregon DMV exam.
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