DZ LICENSE EXAM 2025 WITH 100% CORRECT ANSWERS
1. Describe the role of the brake spider in the 'S' cam brake system and its
relationship to the brake shoes.
The brake spider holds the brake shoes in place, allowing them
to engage with the brake drum when activated.
The brake spider rotates the camshaft to apply the brakes.
The brake spider connects the return spring to the brake drum.
The brake spider serves as a support for the brake drum.
2. If a vehicle experiences reduced braking efficiency, which action should
be prioritized to restore full braking force?
Proper brake adjustment
Upgrading the air tanks
Replacing the brake fluid
Increasing tire pressure
3. A truck is experiencing overheating brakes during long downhill
descents. Which braking system should be utilized to mitigate this issue?
Retarders
Drum brakes
Anti-lock braking system (ABS)
Standard brakes
4. Describe the implications of brake fade on vehicle safety.
Brake fade has no impact on vehicle safety.
,Brake fade can significantly impair a vehicle's ability to stop,
posing serious safety risks.
, Brake fade improves the vehicle's stopping power under extreme
conditions.
Brake fade only affects the steering mechanism of the vehicle.
5. In a scenario where the 'S' cam system is malfunctioning and the brake
shoes do not engage properly, what would be the most likely
consequence for vehicle operation?
Improved acceleration
Enhanced steering control
Increased fuel efficiency
Inadequate braking performance
6. Wheel chocks shall be placed when
parked away from quarters
on an emergency scene
all are correct
parked on a slope
7. If a driver fails to wear appropriate safety gear while inspecting an air
brake system, what could be a potential consequence?
Being unable to complete the inspection.
Injury from hazards present during the inspection.
Having to redo the inspection later.
Receiving a warning from their supervisor.
8. If a vehicle is parked facing uphill during an air brake system inspection,
what potential issue could arise?
1. Describe the role of the brake spider in the 'S' cam brake system and its
relationship to the brake shoes.
The brake spider holds the brake shoes in place, allowing them
to engage with the brake drum when activated.
The brake spider rotates the camshaft to apply the brakes.
The brake spider connects the return spring to the brake drum.
The brake spider serves as a support for the brake drum.
2. If a vehicle experiences reduced braking efficiency, which action should
be prioritized to restore full braking force?
Proper brake adjustment
Upgrading the air tanks
Replacing the brake fluid
Increasing tire pressure
3. A truck is experiencing overheating brakes during long downhill
descents. Which braking system should be utilized to mitigate this issue?
Retarders
Drum brakes
Anti-lock braking system (ABS)
Standard brakes
4. Describe the implications of brake fade on vehicle safety.
Brake fade has no impact on vehicle safety.
,Brake fade can significantly impair a vehicle's ability to stop,
posing serious safety risks.
, Brake fade improves the vehicle's stopping power under extreme
conditions.
Brake fade only affects the steering mechanism of the vehicle.
5. In a scenario where the 'S' cam system is malfunctioning and the brake
shoes do not engage properly, what would be the most likely
consequence for vehicle operation?
Improved acceleration
Enhanced steering control
Increased fuel efficiency
Inadequate braking performance
6. Wheel chocks shall be placed when
parked away from quarters
on an emergency scene
all are correct
parked on a slope
7. If a driver fails to wear appropriate safety gear while inspecting an air
brake system, what could be a potential consequence?
Being unable to complete the inspection.
Injury from hazards present during the inspection.
Having to redo the inspection later.
Receiving a warning from their supervisor.
8. If a vehicle is parked facing uphill during an air brake system inspection,
what potential issue could arise?
