Chapter 11 Review

What is used to clean the fuel entering the engine?  

• a.       CCV Filter

• b.      PCV Valve

• c.       Fuel Filter

• d.      Air Filter

Fuel pumps are either ________________.  

• a.       mechanical or electric

• b.      chemical or electric

• c.       nuclear or electric

• d.

  thermal or electric

On many types of engines, what measures the volume (quantity) and mass (density) of the air entering the engine? 

• a.       temperature sensor

• b.      mass airflow sensor

• c.       knock sensor

• d.      cooling fan sensor

Crude oil is a ________________ energy resource.    

• a.       renewable

• b.      inexhaustible

• c.       nonrenewable

• d.      solar

What does it mean if a fuel is very volatile? 

• a.       is expensive

• b.      has great lubricating abilities

• c.       does not ignite easily

• d.      ignites easily

What is the name of the technology that uses engine control systems to shut off the air-fuel mixture to some of the engine’s cylinders when all the cylinders are not needed? 

• a.       cylinder deactivation

• b.      powertrain control module

• c.       blow-by

• d.      distillation

Ultra-low sulfur diesel contains a maximum of __________ parts-per-million (ppm) of sulfur

• a.       15

• b.      1,500

• c.       150,000

• d.      15,000,000

Which of the following would be a lean air-fuel mixture in a gasoline engine?   

• a.       8:1

• b.      12:1

• c.       14.7:1

• d.      16:1

Which of the following would be a rich air-fuel mixture in a gasoline engine?   

• a.       12:1

• b.      14.7:1

• c.       16:1

• d.      18:1

Some vehicles use a mechanical high pressure fuel pump that pressurizes fuel up to _____________ psi

• a.       2.9

• b.      29

• c.       2900

• d. 29000