CVSA Part B Success Pack 2026 | Latest Update | Exam
Prep
1. What does a service brake system do?
The system that applies and releases the parking brakes when you are
parking
The system that uses the parking brake system only to stop the vehicle
during normal driving
None of the listed answers
The system that applies and releases the brakes when you use the
brake pedal during normal driving
2. What is the primary function of a treadle valve in a vehicle's brake system?
To monitor tire tread depth.
To control air pressure in the brake system.
To secure heavy machinery during transport.
To activate the vehicle's anti-lock braking system.
3. A vehicle is found to be compliant with regulation 393.40(b) and does not
require a parking brake. What must the operator ensure to maintain safety
during operation?
The operator must install a parking brake regardless of the regulation.
The operator can ignore all safety checks since the parking brake is
not required.
The operator must ensure that the vehicle meets alternative safety
standards.
The operator must only check the tire pressure before operation.
,4. What is the specific date when brakes were not required on steer tires?
March 1, 1999
December 31, 1998
June 15, 2001
January 1, 2000
5. Describe the significance of regulation 393.48(d) in the context of vehicle
inspections.
Regulation 393.48(d) specifies the conditions under which surge
brakes can be used, ensuring safety and compliance during vehicle
inspections.
Regulation 393.48(d) details the requirements for securing heavy
machinery during transport.
Regulation 393.48(d) outlines the maintenance standards for brake
systems.
Regulation 393.48(d) provides guidelines for the preparation steps
before vehicle operation.
6. If a vehicle fails to meet the air suspension requirements of regulation
393.207(f), what potential consequences might arise during a vehicle
inspection?
The vehicle will be fined without further inspection.
The vehicle will automatically pass inspection regardless of the
suspension.
The vehicle may be deemed unsafe and could be prohibited from
operation until compliance is achieved.
The vehicle will receive a warning but can continue operation.
,7. What is the recommended air pressure setting for checking pushrod travel
during vehicle inspections?
80 to 90 psi
100 to 110 psi
70 to 80 psi
90 to 100 psi
8. Describe the role of a service brake in vehicle operation as outlined in
regulation 393.40.
The service brake is used to enhance fuel efficiency.
The service brake is only necessary during emergencies.
The service brake is primarily for parking and securing the vehicle.
The service brake is essential for safely slowing or stopping a
vehicle during regular driving conditions.
9. What is the recommended pressure for conducting an air loss test on a
vehicle?
90 psi
70 psi
100 psi
80 psi
10. What is the specific regulation that outlines the requirements for parking
brakes?
Regulation 394.12
Regulation 391.23
, Regulation 392.15
Regulation 393.41
11. During a vehicle inspection, you notice a long stroke brake chamber installed
on a vehicle. What should you check to ensure compliance with safety
regulations?
Verify that the brake system meets the required maintenance
standards and regulations for long stroke chambers.
Confirm that the headlights are functioning correctly.
Ensure that the vehicle has the correct tire size.
Check the engine oil level for proper maintenance.
12. What regulation outlines the air suspension requirements for vehicles?
393.207(f)
393.201(b)
393.205(c)
393.210(a)
13. What regulation outlines the requirements for non-steering axle brakes?
393.48(3)
393.47(2)
393.45(1)
393.50(4)
14. Describe the significance of the out of service conditions for leaf springs in
vehicle safety inspections.
Prep
1. What does a service brake system do?
The system that applies and releases the parking brakes when you are
parking
The system that uses the parking brake system only to stop the vehicle
during normal driving
None of the listed answers
The system that applies and releases the brakes when you use the
brake pedal during normal driving
2. What is the primary function of a treadle valve in a vehicle's brake system?
To monitor tire tread depth.
To control air pressure in the brake system.
To secure heavy machinery during transport.
To activate the vehicle's anti-lock braking system.
3. A vehicle is found to be compliant with regulation 393.40(b) and does not
require a parking brake. What must the operator ensure to maintain safety
during operation?
The operator must install a parking brake regardless of the regulation.
The operator can ignore all safety checks since the parking brake is
not required.
The operator must ensure that the vehicle meets alternative safety
standards.
The operator must only check the tire pressure before operation.
,4. What is the specific date when brakes were not required on steer tires?
March 1, 1999
December 31, 1998
June 15, 2001
January 1, 2000
5. Describe the significance of regulation 393.48(d) in the context of vehicle
inspections.
Regulation 393.48(d) specifies the conditions under which surge
brakes can be used, ensuring safety and compliance during vehicle
inspections.
Regulation 393.48(d) details the requirements for securing heavy
machinery during transport.
Regulation 393.48(d) outlines the maintenance standards for brake
systems.
Regulation 393.48(d) provides guidelines for the preparation steps
before vehicle operation.
6. If a vehicle fails to meet the air suspension requirements of regulation
393.207(f), what potential consequences might arise during a vehicle
inspection?
The vehicle will be fined without further inspection.
The vehicle will automatically pass inspection regardless of the
suspension.
The vehicle may be deemed unsafe and could be prohibited from
operation until compliance is achieved.
The vehicle will receive a warning but can continue operation.
,7. What is the recommended air pressure setting for checking pushrod travel
during vehicle inspections?
80 to 90 psi
100 to 110 psi
70 to 80 psi
90 to 100 psi
8. Describe the role of a service brake in vehicle operation as outlined in
regulation 393.40.
The service brake is used to enhance fuel efficiency.
The service brake is only necessary during emergencies.
The service brake is primarily for parking and securing the vehicle.
The service brake is essential for safely slowing or stopping a
vehicle during regular driving conditions.
9. What is the recommended pressure for conducting an air loss test on a
vehicle?
90 psi
70 psi
100 psi
80 psi
10. What is the specific regulation that outlines the requirements for parking
brakes?
Regulation 394.12
Regulation 391.23
, Regulation 392.15
Regulation 393.41
11. During a vehicle inspection, you notice a long stroke brake chamber installed
on a vehicle. What should you check to ensure compliance with safety
regulations?
Verify that the brake system meets the required maintenance
standards and regulations for long stroke chambers.
Confirm that the headlights are functioning correctly.
Ensure that the vehicle has the correct tire size.
Check the engine oil level for proper maintenance.
12. What regulation outlines the air suspension requirements for vehicles?
393.207(f)
393.201(b)
393.205(c)
393.210(a)
13. What regulation outlines the requirements for non-steering axle brakes?
393.48(3)
393.47(2)
393.45(1)
393.50(4)
14. Describe the significance of the out of service conditions for leaf springs in
vehicle safety inspections.
