Question

technician a says a bleeder screw wrench is needed to manually bleed brakes. technician b says a length of plastic hose and clear jar should be used when manually bleeding brakes. which technician is correct? technician a only technician b only both technicians neither technician question 19 1 pts what method of brake bleeding is illustrated below? gravity bleeding pressure bleeding vacuum bleeding manual bleeding

Explanation:

For the first question: A bleeder screw wrench is required to open/close the bleeder screw (Technician A correct). A plastic hose and clear jar collect fluid and prevent air re-entry (Technician B correct).
For Question 19: The image is missing, but vacuum bleeding typically uses a vacuum pump (matching the small pump-like component shown).

Answer:

Both technicians
Vacuum bleeding