DZ Testing Schedule 1 questions &
answers graded A+
Part 1-Air Brake System - correct answer ✔✔Minor Defects:
1.1-Audible Air Leak
1.2-Slow Air pressure
Major Defects:
1.3-Pushrod stroke of any brake exceeds the prescribed limit
1.4-Air loss rate exceeds prescribed limit
1.5-Inoperative towing vehicle protection system
1.6-Low air warning fails or system is activated
1.7-Inoperative service, parking or emergency brake
Part 2-Cab - correct answer ✔✔Minor Defects:
2.1-Occupant compartment doors fail to open
Major Defects:
2.2 any cab or sleeper door fails to close securely
Part 3-Cargo Securement - correct answer ✔✔Minor Defects:
3.1-Insecure or improper load covering
Major Defects:
3.2- Insecure cargo
3.3-Absence, failure, malfunction or deterioration of required cargo securement device or load
covering
, Part 4- Coupling Device - correct answer ✔✔Minor Defects:
4.1 coupler or mounting has loose or missing fastener
Major Defects:
4.2-Coupler is insecure or movement exceeds limit
4.3- Coupling or locking mechanism is damaged or fails to lock
4.4-Defective, incorrect or missing safety chain or cable
Part 5- Dangerous Goods - correct answer ✔✔No Minor Defects
Major Defects:
5.1- Dangerous goods requirement not met
Part 6- Driver Controls - correct answer ✔✔Minor Defects:
6.1- Accelerator pedal, clutch, gauges, audible and visual indicators or instruments fail to
function properly
No Major Defects
Part 7- Driver Seat - correct answer ✔✔Minor Defects:
7.1- Seat is damaged or fails to remain in set position
Major Defects:
7.2- Seatbelt or tether belt is insecure, missing or malfunctions
Part 8- Electric Brake System - correct answer ✔✔Minor Defect:
8.1- Loose or insecure wiring or electrical connection
Major Defects:
8.2- Inoperative breakaway device
8.3- Inoperative brake
answers graded A+
Part 1-Air Brake System - correct answer ✔✔Minor Defects:
1.1-Audible Air Leak
1.2-Slow Air pressure
Major Defects:
1.3-Pushrod stroke of any brake exceeds the prescribed limit
1.4-Air loss rate exceeds prescribed limit
1.5-Inoperative towing vehicle protection system
1.6-Low air warning fails or system is activated
1.7-Inoperative service, parking or emergency brake
Part 2-Cab - correct answer ✔✔Minor Defects:
2.1-Occupant compartment doors fail to open
Major Defects:
2.2 any cab or sleeper door fails to close securely
Part 3-Cargo Securement - correct answer ✔✔Minor Defects:
3.1-Insecure or improper load covering
Major Defects:
3.2- Insecure cargo
3.3-Absence, failure, malfunction or deterioration of required cargo securement device or load
covering
, Part 4- Coupling Device - correct answer ✔✔Minor Defects:
4.1 coupler or mounting has loose or missing fastener
Major Defects:
4.2-Coupler is insecure or movement exceeds limit
4.3- Coupling or locking mechanism is damaged or fails to lock
4.4-Defective, incorrect or missing safety chain or cable
Part 5- Dangerous Goods - correct answer ✔✔No Minor Defects
Major Defects:
5.1- Dangerous goods requirement not met
Part 6- Driver Controls - correct answer ✔✔Minor Defects:
6.1- Accelerator pedal, clutch, gauges, audible and visual indicators or instruments fail to
function properly
No Major Defects
Part 7- Driver Seat - correct answer ✔✔Minor Defects:
7.1- Seat is damaged or fails to remain in set position
Major Defects:
7.2- Seatbelt or tether belt is insecure, missing or malfunctions
Part 8- Electric Brake System - correct answer ✔✔Minor Defect:
8.1- Loose or insecure wiring or electrical connection
Major Defects:
8.2- Inoperative breakaway device
8.3- Inoperative brake
