Technician A says that pressure below atmospheric pressure is ...

[bobthebuilder]

Technician A says that pressure below atmospheric pressure is called vacuum and is measured in inches of Mercury (Hg). Technician B says that a manifold absolute pressure (MAP) sensor uses a low vacuum in the sensor to determine the pressure. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Question 2

All of these are factors in calculating required airflow into an engine EXCEPT ________.
 
  A) Piston material B) Engine speed (RPM)
  C) Engine displacement D) Volumetric efficiency

[rachel]

Answer to Question 1

A

Answer to Question 2

A

[bobthebuilder]

Thanks for the timely response, appreciate it

[bigcheese9]

Excellent