#1
What is a common cause of accidents involving commercial vehicles?
Excessive speeding
ExplanationSpeeding increases the risk of accidents due to reduced reaction time and control.
#2
Which of the following is NOT a recommended safety measure for commercial vehicle drivers?
Excessive speeding
ExplanationExcessive speeding is unsafe and increases accident risks.
#3
Which of the following is a common safety feature in modern commercial vehicles?
Anti-lock braking system (ABS)
ExplanationABS prevents wheels from locking up during braking, maintaining control and stability.
#4
What is the recommended following distance for commercial vehicles in ideal driving conditions?
At least 3 seconds
ExplanationMaintaining a safe following distance reduces the risk of collisions and allows for reaction time.
#5
What does the 'CDL' stand for in the context of commercial driving?
Commercial Driver's License
ExplanationCDL is required to operate commercial vehicles, ensuring drivers are trained and qualified.
#6
Which of the following is NOT a recommended practice for securing cargo in a commercial vehicle?
Overloading the cargo area
ExplanationOverloading compromises vehicle stability and increases accident risks.
#7
What is the maximum allowable blood alcohol concentration (BAC) level for commercial vehicle drivers in most jurisdictions?
0.05%
ExplanationDriving with a BAC above this level impairs judgment and increases accident risks.
#8
Which organization sets standards and regulations for commercial vehicle safety in the United States?
Federal Motor Carrier Safety Administration (FMCSA)
ExplanationFMCSA ensures compliance with safety regulations to reduce accidents and improve road safety.
#9
What does the term 'CMV' stand for in the context of commercial vehicle regulations?
Commercial Motor Vehicle
ExplanationCMV refers to vehicles used for business purposes, subject to specific regulations.
#10
Which of the following is NOT a type of commercial vehicle?
Motorcycle
ExplanationMotorcycles are not typically categorized as commercial vehicles.
#11
What is the purpose of a weigh station for commercial vehicles?
To check the weight of vehicles and ensure compliance with regulations
ExplanationWeigh stations enforce weight limits, ensuring safe vehicle operation and road integrity.
#12
What is the 'CSA' program in the United States concerning commercial vehicle safety?
Compliance, Safety, Accountability
ExplanationCSA program monitors carrier safety performance, promoting accountability and compliance.
#13
What is the primary purpose of a commercial vehicle safety inspection?
To ensure vehicles are safe for operation
ExplanationInspections identify and rectify potential safety hazards, ensuring vehicles are roadworthy.
#14
What is the 'Hours of Service' regulation concerning commercial vehicle drivers?
It limits the number of hours a driver can operate a commercial vehicle within a specific period.
ExplanationTo prevent driver fatigue, this regulation sets limits on driving hours to ensure sufficient rest.
#15
What does the 'S-cam' brake system refer to in commercial vehicles?
A type of air brake system
ExplanationS-cam brakes are a common type of air brake system used in commercial vehicles.
#16
What is the purpose of a 'no-zone' in relation to commercial vehicle safety?
A blind spot around a commercial vehicle where crashes are more likely to occur
ExplanationNo-zones are areas around commercial vehicles where visibility is limited, increasing crash risks.
#17
What is the purpose of a 'pre-trip inspection' for commercial vehicles?
To inspect the vehicle before starting a trip to ensure it is in safe operating condition
ExplanationPre-trip inspections identify potential issues, ensuring safe operation and preventing breakdowns.