Vehicle Chassis: Braking System Flashcards
What is the primary purpose of a brake system?
A) To increase vehicle speed
B) To store energy for later use
C) To convert kinetic energy into heat energy
D) To convert heat energy into kinetic energy
C) To convert kinetic energy into heat energy
Which type of brake is easier to integrate with a parking brake?
A) Disk Brake
B) Drum Brake
C) ABS Brake
D) Hydraulic Brake
B) Drum Brake
Which of the following is a disadvantage of drum brakes?
A) High cost
B) Requires external power assistance
C) Poor heat dissipation
D) Inability to generate self-servo action
C) Poor heat dissipation
What is the main advantage of disk brakes over drum brakes?
A) Lower cost
B) Better heat dissipation
C) Easier parking brake integration
D) Greater self-servo action
B) Better heat dissipation
What does the hydraulic brake system use to transmit braking force?
A) Air pressure
B) Hydraulic fluid
C) Electrical signals
D) Friction
B) Hydraulic fluid
What is the purpose of the tandem master cylinder?
A) To increase hydraulic pressure
B) To allow the car to brake without engine power
C) To prevent complete failure of the braking system
D) To generate self-servo action
C) To prevent complete failure of the braking system
What happens during weight transfer when braking?
A) Weight shifts towards the rear wheels
B) Weight shifts towards the front wheels
C) Weight remains evenly distributed
D) Weight shifts towards the side of the vehicle
B) Weight shifts towards the front wheels
Why is rear wheel lockup dangerous?
A) It reduces heat dissipation
B) It prevents steering
C) It makes the vehicle unstable
D) It increases braking force
B) It prevents steering
How does ABS prevent wheel lockup?
A) By applying more brake force to the wheels
B) By increasing tire pressure
C) By releasing brake pressure when a wheel slows too quickly
D) By deactivating the hydraulic system
C) By releasing brake pressure when a wheel slows too quickly
Which type of brakes are usually used in the front of the vehicle for better energy dissipation?
A) Drum Brakes
B) Disk Brakes
C) Parking Brakes
D) Hydraulic Brakes
B) Disk Brakes
What component assists in increasing braking force without additional pedal pressure?
A) Parking brake
B) Brake booster
C) Caliper
D) Master cylinder
B) Brake booster
Which of the following is a benefit of using a load-apportioning valve in trucks?
A) Increases parking brake efficiency
B) Prevents front wheel lockup
C) Adjusts brake force based on vehicle load
D) Reduces hydraulic fluid consumption
C) Adjusts brake force based on vehicle load
What occurs when inertia force acts at the center of gravity (CG) during braking?
A) The vehicle accelerates forward
B) The vehicle becomes more stable
C) The vehicle tries to rotate counterclockwise (CCW)
D) The brakes overheat
C) The vehicle tries to rotate counterclockwise (CCW)
What is the disadvantage of increasing mechanical leverage in brakes without power assistance?
A) Brake fade is reduced
B) The pedal travel becomes too long
C) The braking force decreases
D) The brakes overheat rapidly
B) The pedal travel becomes too long
Why is front wheel lockup undesirable during braking?
A) It increases braking force
B) It causes the vehicle to oversteer
C) It prevents effective steering
D) It reduces rear braking force
C) It prevents effective steering
Which component directly applies pressure to the brake pads in a disk brake system?
A) Master Cylinder
B) Caliper
C) Brake Booster
D) Parking Brake
B) Caliper