#1
Which of the following should a commercial driver inspect before starting a trip?
The vehicle's exterior and engine compartment
ExplanationInspecting the vehicle's exterior and engine compartment ensures its overall condition before starting a trip.
#2
What should a driver check for during a pre-trip inspection of tires?
Tread wear and proper inflation
ExplanationChecking tire tread wear and inflation levels is crucial for safe driving and tire performance.
#3
What should a driver do if they notice an unusual noise or vibration while driving?
Pull over as soon as it's safe to do so and inspect the vehicle
ExplanationPulling over and inspecting the vehicle immediately is advised when detecting unusual noises or vibrations during driving.
#4
What is the purpose of the emergency equipment required on commercial vehicles?
To use in case of an emergency or breakdown
ExplanationEmergency equipment on commercial vehicles is essential for use in emergency situations or breakdowns.
#5
What does the term 'GVWR' stand for in relation to commercial vehicles?
Gross Vehicle Weight Rating
ExplanationGVWR stands for Gross Vehicle Weight Rating, indicating the maximum weight a commercial vehicle can safely carry.
#6
What should a CDL driver inspect when checking the engine compartment during a pre-trip inspection?
All fluid levels, hoses, belts, and leaks
ExplanationInspecting fluid levels, hoses, belts, and checking for leaks ensures the engine's proper functioning.
#7
During a pre-trip inspection, what is the purpose of checking the brake system?
To verify the brake pedal pressure and air loss
ExplanationChecking the brake system ensures proper pedal pressure and detects any signs of air loss, crucial for effective braking.
#8
Which of the following is NOT a required item to inspect during a pre-trip inspection of the vehicle's exterior?
Trailer hitch
ExplanationA trailer hitch is not part of the required inspection for the vehicle's exterior during a pre-trip inspection.
#9
Which of the following is a potential hazard of driving with worn-out tires?
Blowouts or loss of control
ExplanationWorn-out tires pose a risk of blowouts or loss of control while driving, emphasizing the importance of tire maintenance.
#10
During a pre-trip inspection, what should a driver check when examining the suspension system?
The entire suspension system for damage or signs of wear
ExplanationChecking the entire suspension system for damage or wear ensures its proper functioning during a pre-trip inspection.
#11
What should a driver do if they discover a safety issue during the pre-trip inspection?
Report it and not drive until it's fixed
ExplanationReporting and fixing safety issues identified during a pre-trip inspection is essential for road safety.