Class 1 MELT Student workbook

1. How many pounds of pushrod force does a type 30 brake chamber produce with 100 pounds of air pressure in the system? a) 1000 pounds b) 2000 pounds c) 3000 pounds d) 4000 pounds 2. Why are air brakes, rather than hydraulic brakes, used on heavy commercial vehicles? They a) can apply much greater force b) are much greener c) need less maintenance