Technician A looks for engine speed (RPM) when cranking an engine ...

[sc00by25]

Technician A looks for engine speed (RPM) when cranking an engine that will not start. Technician B says that a problem in the primary circuit could make the tachometer not work. Which technician is correct?
 
  A) Technician A only B) Technician B only
  C) Both technicians D) Neither technician

Question 2

Which switching device uses a shutter blade and sensor to detect a magnetic field?
 
  A) Pickup coil B) Hall-effect switch
  C) Optical sensor D) Ignition coil

[Melissahxx]

Answer to Question 1

C

Answer to Question 2

B

[sc00by25]

Thanks for the timely response, appreciate it

[JaynaD87]

Gracias!