EVT - Certified Emergency Vehicle Technician Practice Test
EVT - Certified Emergency Vehicle Technician EVT EVT Hydraulic Systems & Aerial Apparatus
What is the primary function of a hydraulic relief valve in an aerial apparatus system?
Select your answer
A
To increase pump pressure
B
To prevent system overpressure by diverting excess fluid
C
To filter hydraulic fluid contaminants
D
To measure fluid viscosity
Hint