FREE CO DMV Commercial Driver’s Licenses Questions and Answers
In which two special conditions should you downshift?
Downshifting before starting down a hill allows you to take advantage of engine braking. You should downshift to the gear required to climb the hill or lower. Downshifting before a curve improves stability and ensures that you will have the power to accelerate out of the turn.
Which of the following is NOT true about an escape ramp?
Escape ramps are designed with soft gravel, turning uphill, or both, to slow down vehicles that experience brake failure on a downgrade. Regardless of your speed, look for one of these escape ramps, which can save lives, equipment, and cargo.
How far ahead should drivers look while driving, according to the manual?
Good drivers are advised to look ahead 12 to 15 seconds while driving, according to driving manuals and guidelines. This distance allows drivers to anticipate and react to potential hazards in advance. At highway speeds, looking 12 to 15 seconds ahead typically equates to about 1/4 mile. This practice improves safety by providing ample time to assess traffic conditions, make lane changes, and prepare for upcoming turns or stops.
Before transporting a sealed load, you must check
Before transporting a sealed load, it is crucial to ensure that the vehicle’s gross weight and axle weight do not exceed legal limits. Exceeding these weight limits can lead to dangerous driving conditions, fines, and penalties. The driver is responsible for verifying that the load is within these limits, even if the load is sealed and the contents are not directly accessible. The weight distribution affects vehicle control, braking distance, and compliance with road regulations.
While performing the pre-trip inspection, you should place the starter switch key into your pocket because
During the pre-trip inspection, placing the starter switch key in your pocket is important because it prevents someone else from starting and moving the truck while you are inspecting it. This is especially crucial if you are under or near the vehicle, as it could result in serious injury or even death if the truck is moved unexpectedly.