Which EVAP valve is subject to rust and corrosion more than all ...

[drink]

Which EVAP valve is subject to rust and corrosion more than all of the others?
 
  A) Vent valve B) Purge valve
  C) Vacuum control valve D) Roll over check valve

Question 2

Two technicians are discussing a state emission test. Technician A says that a vent valve that is not able to close can cause the system to fail the on-board test. Technician B says that a leaking gas cap can cause a failure of the EVAP test. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

[cloud]

Answer to Question 1

A

Answer to Question 2

C