A knock sensor is designed to detect ________ in the engine. ...

[formula1]

A knock sensor is designed to detect ________ in the engine.
 
  A) Water pump noise B) Valve knock C) Rod knocking D) Spark knock

Question 2

Technician A says that some crankcase vent systems use a calibrated orifice instead of a PCV valve. Technician B says that turbocharged engines often use an oil/water separator in the PCV system. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

[scottmt]

Answer to Question 1

D

Answer to Question 2

C

[formula1]

Thanks for the timely response, appreciate it

[ebonylittles]

Excellent