PRE-TRIP INSPECTION
What component must be checked to ensure the drum will not free spin during transport?
The drum lock or interlock system
What is the safest method to back a mixer on a jobsite?
Use a spotter
Why is a concrete mixer truck more prone to rollovers?
Higher center of gravity and liquid load movement
What PPE protects against cement burns?
Gloves and long sleeve shirts
What should you do if your mixer becomes unstable during unloading?
Stop discharge immediately
What fluid is critical to check to prevent loss of steering during operation?
Power steering fluid
How many points of contact should you maintain when exiting the cab?
Three points of contact
What driving action should be avoided when carrying a full load?
Sudden braking or sharp turns
What footwear is required to prevent slip and crush injuries?
Slip-resistant steel toe boots
Who should be notified immediately after a jobsite incident?
Supervisor or dispatch
What should you inspect for proper inflation and visible damage before every trip?
Tires
What is a mixer driver's blind spot area called?
The "no-zone"
What road feature requires extra caution due to liquid surge?
Curves and ramps
What PPE is required when working near traffic?
High-visibility vest
What should be done before attempting minor truck adjustments on site?
Set brakes and secure the vehicle
What system must be working properly to warn others when backing up?
Backup alarm
What should you do before backing if no spotter is available?
Get out and look (GOAL)
What should be done before entering a construction zone with reduced clearance?
Slow down and increase following distance
Why should eye protection be worn during discharge?
To protect from splashing concrete
Why should you never climb on a moving drum or chute?
Risk of entanglement and falls
What should be checked to ensure the mixer chute can safely support concrete flow?
Chute pins and locking mechanisms
What surface condition increases rollover risk on jobsites?
Uneven or soft ground
What is the safest speed adjustment when driving in wet conditions with a load?
Reduce speed significantly
What should you do immediately if wet concrete contacts skin?
Wash it off thoroughly with clean water
What is the most important safety responsibility of a mixer driver?
Stop work if conditions are unsafe