Pre-Trip Inspection Flashcards
7 cards from real CDL practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Pre-Trip Inspection flashcards as text
What emergency equipment is required to be carried in a commercial vehicle under federal regulations?
Answer: Three reflective triangles or flares, a fire extinguisher, and spare electrical fuses
Federal regulations require at minimum three reflective triangles (or equivalent warning devices), a properly rated fire extinguisher, and spare electrical fuses.
Why is it important to inspect the fuel tank cap during a pre-trip inspection?
Answer: To ensure it is secure and prevents fuel spills and flammable vapor release
A secure fuel cap prevents fuel spills and the release of flammable vapors, reducing fire risk and preventing environmental contamination.
How should service brakes be tested during a pre-trip inspection?
Answer: Apply brakes at low speed and check that the vehicle stops promptly and evenly without pulling
Service brakes should be tested by applying them firmly at low speed and verifying that the vehicle stops promptly and evenly without pulling to one side.
What does audible air leaking from the brake system during a pre-trip inspection indicate?
Answer: There is a leak in the air brake system that must be repaired before the vehicle is operated
Air leaks reduce brake system pressure, compromising stopping ability, and must be repaired before the vehicle is operated to ensure safe braking.
What should be verified when inspecting the battery during a pre-trip inspection?
Answer: Secure mounting, no cracks or leaks, and clean terminals free of corrosion
Batteries must be securely mounted, structurally sound, and have clean terminals free of corrosion to ensure reliable electrical system operation.
What is covered during the walk-around portion of a pre-trip inspection?
Answer: The entire vehicle exterior including all tires, lights, reflectors, and structural components
The walk-around involves circling the complete exterior of the vehicle to inspect all sides, checking tires, lights, reflectors, body damage, and any fluid leaks.
Which tire condition requires taking a commercial vehicle out of service immediately?
Answer: Tires below minimum tread depth or showing visible cord or sidewall bulges
Tires with insufficient tread depth, exposed cord, or structural damage such as bulges present serious blowout risk and require the vehicle to be taken out of service.