Technician A says that low battery voltage can cause driveability ...

[jjjetplane]

Technician A says that low battery voltage can cause driveability problems. Technician B says that charging voltage should be over 15 volts when the engine is idling. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Question 2

The switching valves on the AIR pump have failed several times. Technician A says that a defective exhaust check valve could be the cause. Technician B says that a restricted exhaust system could be the cause. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

[lorealeza]

Answer to Question 1

A

Answer to Question 2

C