That system apply a force of 5 pounds 35 kpa per

of that ___system_______. Apply a force of 5 pounds (35 kPa) per square inch (psi) through the
_master_________ cylinder and you can measure 5 psi (35 kPa) anywhere in the lines and at each
_wheel_________ where the brakes operate.
19. Name the four (4) Department of Transport (DOT) brake fluid classification.
1 DOT 3
2 DOT 4
3 DOT 5
4 DOT 5.1
20. Hygroscopic brake fluid absorbs moisture from the air.
21. What colour is brake fluid?
22. As brake fluid absorbs moisture.

AURLTB003 Diagnose and repair light vehicle hydraulic
braking systems
23. What is the “Dry” and “Wet” boiling point of the following brake fluids?
Dry Wet
DOT 3: 205c 140c
DOT 4: 230c 155c
DOT 5.1: 260c 180c
Assessment 1 – Questioning – Written
Assessment – AURLTB003
Version: 1.0 Created: Feb 2017
Page 10 of 33
24. All DOT 3 and DOT 4 brake fluid are fully synthetic brake fluid?
25. DOT 5 is a fully synthetic brake fluid?
26. Identify the two (2) dual brake system layouts.
27. Explain the operation of the “Front and Rear” brake split system.
28. What was the problem if the front brakes failed on the “Front and Rear” brake split system?
29. What happens in the event of a system failure on the “Diagonal” brake split system?