When testing thermostats, technician A uses a pyrometer and says ...

[elizabeth18]

When testing thermostats, technician A uses a pyrometer and says the engine side of the thermostat should be the hottest spot in the cooling system. Technician B says that incorrect ignition timing on older vehicles may be the cause of engine overheating. Which technician is correct?
 
  A) Technician A only B) Technician B only
  C) Both Technicians A and B D) Neither Technician A nor B

Question 2

Daytime running lights operate ________.
 
  A) Front parking lights B) Separate DRL lamps
  C) High beam headlights wired in series D) Any of the above

[Li Jun]

Answer to Question 1

C

Answer to Question 2

D

[elizabeth18]

TYSM

[Bigfoot1984]

Gracias!