Technician A says that all valves rotate to help prevent the ...

[krzymel]

Technician A says that all valves rotate to help prevent the valves and seats from burning. Technician B says that positive type valve rotators are only used on intake valves. Which technician is correct?
 
  A) Technician A B) Technician B C) Both technicians D) Neither technician

Question 2

Technician A says that most digital and analog (needle-type) dash gauges use variable resistance sensors. Technician B says that permanent-magnet (PM) generators produce an AC signal and are used for vehicle speed and wheel speed sensors. Who is right?
 
  A) Technician A only B) Technician B only
  C) Both technicians A and B D) Neither technician A nor B

[ryrychapman11]

Answer to Question 1

D

Answer to Question 2

C

[krzymel]

TYSM

[isabelt_18]

Thanks for the timely response, appreciate it