ASE A5 Hydraulic, Power Assist, and Parking Brake Systems Diagnosis and Repair Practice Exam Welcome to your ASE A5 Hydraulic, Power Assist, and Parking Brake Systems Diagnosis and Repair Practice Exam 1. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair When diagnosing a hydraulic brake system, what is the primary purpose of performing a brake fluid pressure test? A. To check for brake fluid contamination B. To determine the condition of the brake pads C. To evaluate the operation of the brake booster D. To identify hydraulic system leaks None 2. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What does it mean when a brake pedal feels "spongy" when depressed? A. The brake pads are worn down B. The brake fluid is contaminated C. Air is present in the brake system D. The master cylinder is malfunctioning None 3. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair When diagnosing a power brake booster, what is the primary purpose of performing a vacuum test? A. To check for brake fluid contamination B. To determine the condition of the brake pads C. To evaluate the operation of the vacuum pump D. To assess the booster's ability to provide vacuum assist None 4. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What is the most likely cause of a vehicle that pulls to one side when braking? A. Uneven tire pressure B. A malfunctioning brake booster C. Uneven brake pad wear D. A worn-out brake pedal None 5. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What component is responsible for equalizing hydraulic pressure between the front and rear brake circuits in a dual master cylinder brake system? A. Proportioning valve B. Brake booster C. Master cylinder piston D. Brake caliper None 6. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What is the primary function of the parking brake system in a vehicle? A. To assist with braking during emergencies B. To provide additional stopping power C. To hold the vehicle stationary when parked D. To engage the ABS system None 7. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What is the purpose of the master cylinder reservoir in a hydraulic brake system? A. To store extra brake fluid B. To maintain constant brake pressure C. To provide hydraulic fluid for the power steering system D. To serve as a backup reservoir for the brake booster None 8. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair Which of the following is the correct procedure when bleeding hydraulic brake lines? A. Start with the rear brakes and work towards the front B. Start with the front brakes and work towards the rear C. Begin with the brake farthest from the master cylinder D. Begin with the brake closest to the master cylinder None 9. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What type of brake system relies on a hydraulic master cylinder to actuate the brakes? A. Mechanical brake system B. Vacuum-assisted brake system C. Power brake system D. Hydraulic brake system None 10. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What is the primary purpose of the brake booster in a power brake system? A. To increase braking performance B. To reduce brake pedal effort C. To cool the brake fluid D. To prevent brake fade None 11. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair In a vacuum-assisted power brake system, what component is responsible for generating vacuum pressure? A. Master cylinder B. Brake pedal C. Vacuum pump or engine vacuum D. Brake booster None 12. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair When diagnosing a hydraulic brake system, what is the primary purpose of performing a brake pedal reserve test? A. To check for brake fluid contamination B. To assess the condition of the brake pads C. To evaluate the operation of the parking brake D. To ensure the brake pedal does not sink excessively None 13. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What is the term for a condition in which the rear brakes lock up before the front brakes during heavy braking? A. Brake fading B. Front brake bias C. Rear brake bias D. Brake pull None 14. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What is the primary purpose of the master cylinder in a hydraulic brake system? A. To provide power assist to the brakes B. To reduce brake pedal effort C. To store brake fluid D. To convert hydraulic pressure into mechanical force None 15. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair Which of the following components is responsible for maintaining proper brake pedal height and feel in a power brake system? A. Brake booster B. Brake pedal linkage C. Brake master cylinder D. Brake fluid reservoir None 16. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What is the function of the parking brake in a vehicle equipped with an automatic transmission? A. To hold the vehicle stationary when parked B. To assist with braking during emergencies C. To provide additional stopping power D. To engage the ABS system None 17. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What is the purpose of the proportioning valve in a brake system? A. To equalize hydraulic pressure between the front and rear brakes B. To provide power assist to the brakes C. To convert hydraulic pressure into mechanical force D. To store extra brake fluid None 18. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair Which type of brake system uses mechanical components, such as cables, to actuate the brakes? A. Hydraulic brake system B. Vacuum-assisted brake system C. Mechanical brake system D. Power brake system None 19. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What is the primary purpose of the brake caliper in a hydraulic disc brake system? A. To store extra brake fluid B. To provide vacuum assist C. To hold the brake pads in place D. To convert hydraulic pressure into mechanical force None 20. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What type of brake system relies on engine vacuum to assist in brake application? A. Hydraulic brake system B. Vacuum-assisted brake system C. Mechanical brake system D. Power brake system None 21. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What is the purpose of the brake proportioning valve in a vehicle's brake system? A. To adjust brake pedal height B. To equalize hydraulic pressure between the front and rear brakes C. To increase brake pedal effort D. To store extra brake fluid None 22. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair When performing a visual inspection of the brake system, what is the primary purpose of checking for brake fluid leaks? A. To evaluate the condition of the brake pads B. To determine brake pedal feel C. To ensure proper brake fluid level D. To identify potential safety hazards None 23. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What could cause a sudden loss of brake pedal pressure while driving? A. Worn brake pads B. Air in the brake system C. A malfunctioning proportioning valve D. Low tire pressure None 24. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What is the primary purpose of the brake pedal linkage in a power brake system? A. To provide additional stopping power B. To store extra brake fluid C. To convert hydraulic pressure into mechanical force D. To reduce brake pedal effort None 25. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What component is responsible for transmitting hydraulic pressure to the brake calipers in a hydraulic disc brake system? A. Brake pedal B. Brake booster C. Master cylinder D. Proportioning valve None 26. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair In a dual master cylinder brake system, why is it essential to have separate hydraulic circuits for the front and rear brakes? A. To provide additional stopping power B. To allow for easier brake pad replacement C. To ensure brake fluid is evenly distributed D. To maintain some braking ability in case of a hydraulic failure None 27. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What is the purpose of the brake fluid reservoir in a hydraulic brake system? A. To provide vacuum assist B. To store extra brake fluid C. To equalize hydraulic pressure D. To reduce brake pedal effort None 28. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What is the function of the brake pads in a hydraulic disc brake system? A. To store extra brake fluid B. To provide hydraulic pressure C. To convert hydraulic pressure into mechanical force D. To apply friction to the brake rotor None 29. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What is the primary purpose of the brake booster in a power brake system? A. To increase braking performance B. To convert hydraulic pressure into mechanical force C. To provide vacuum assist D. To store extra brake fluid None 30. ASE A5: Hydraulic Power Assist and Parking Brake Systems Diagnosis and Repair What type of brake system relies on engine vacuum to assist in brake application? A. Hydraulic brake system B. Vacuum-assisted brake system C. Mechanical brake system D. Power brake system None 1 out of 30 Time is Up! Time's up
