Technician A says that temperature sensors decrease in resistance ...

[Jipu 123]

Technician A says that temperature sensors decrease in resistance as the temperature increases; this is called positive temperature coefficient (PTC). Technician B says that some vehicle manufacturers use a stepped ECT circuit inside the PCM to broaden the accuracy of the sensor. Who is right?
 
  A) Technician B only B) Neither technician A nor B
  C) Technician A only D) Both technicians A and B

Question 2

Which of the following is NOT a subsystem in a modern automotive HVAC system?
 
  A) Cooling system B) AC controls
  C) Refrigeration system D) All of these are HVAC subsystems

[quynhmickitran]

Answer to Question 1

A

Answer to Question 2

D

[Jipu 123]

Thanks for the timely response, appreciate it

[olderstudent]

YES! Correct, THANKS for helping me on my review