Kentucky CDL DMV Endorsement Double 2
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Ouch! While you were on a roll there for a few questions, you didn’t pass this time. But I know this test, and I think you’ll pass next time. Really.
It is always important to have enough water and antifreeze in a vehicle's cooling system. Despite the name, antifreeze is beneficial to an engine even in hot weather.
The Anti-Lock Braking System (ABS) indicator light should come on after an engine is started. The light will then turn off. If the light remains on, the ABS it not working properly.
The securement of cargo must be checked before beginning a trip, within the first 50 miles of a trip, and then again every three hours or 150 miles thereafter.
On a wet road, it is possible for a vehicle's tires to lose traction with the road surface and begin to glide along on the layer of water. This is referred to as hydroplaning. Hydroplaning can occur at speeds as low as 30 mph.
In some vehicles, it may be necessary to leave the engine running when checking the automatic transmission fluid level.
Drivers behind you may not anticipate how slowly your CMV must travel to safely make a right turn. You can help warn them in advance by braking early and slowing gradually.
Roads are particularly slippery when it first begins to rain. The water mixes with oil drippings on the road that have not yet washed away, creating a slippery and dangerous mixture.
Explosives are placed in hazardous materials Class 1.
The first step of a vehicle inspection is to review the last vehicle inspection report. Only sign the report if noted defects are certified to have been repaired.
Drivers of doubles and triples should be especially careful when traveling on mountainous terrain. Compared to the axles of a single vehicle, the drive axles on a double or triple will be pulling additional length and weight and may be prone to skidding or loss of traction.
Good drivers scan the road at least 12 to 15 seconds ahead of their vehicles. Looking ahead will allow you to identify and react to hazards before meeting them. Be sure to specifically look for vehicles that are coming onto the highway, entering into your lane, or turning.
When approaching your vehicle before an inspection, make note of its general condition and ensure that it is not damaged or leaning. Look under the vehicle for fresh leaks of oil, grease, or fuel. Check around the vehicle for hazards to movement, such as people, other vehicles, or low-hanging wires or tree limbs.
Strategies to avoid becoming fatigued while driving include keeping the cab cool inside by using the air conditioner or opening a window; avoiding heavy foods; and taking rest breaks about every two hours or 100 miles.
When inspecting a vehicle, you should verify that your dual tires do not come into contact with one another, or with any other part of the vehicle.
All commercial motor vehicles are required to be equipped with the proper emergency equipment. This may include spare electrical fuses; three red reflective triangles, six fuses, or three liquid burning flares; and at least one properly charged and rated fire extinguisher.
It is important to observe other drivers' actions and identify clues that a person could be driving impaired. Drivers who have had too much to drink, are sleepy, are on drugs, or are ill can present hazards to other drivers. One sign that a driver may be impaired is that they stop in inappropriate places, such as at green traffic lights.
The risk of hydroplaning begins when water has collected on the surface of a road.
If you must back up, it is safest to back toward the driver's side of the vehicle. This way, as the driver, you will have the best possible view of your path of travel.
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.
At the end of each day of driving, you may be required to make a written report on the vehicle or vehicles driven. Be sure to make note of any issues that could affect the safety of the vehicle or that could lead to a mechanical breakdown.
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