Which term describes the entire fuel cycle, from the time a fuel ...

[saliriagwu]

Which term describes the entire fuel cycle, from the time a fuel is extracted or produced until it is spent in the vehicle?
 
  A) Fuel efficiency B) Coefficient of energy transfer
  C) Well-to-wheel efficiency D) None of these

Question 2

Technician A says that a fault in the cooling system can cause an increase in engine operating temperatures, and therefore cause a change in NOx emissions. Technician B says that advanced ignition timing causes the spark to occur too soon while the piston is coming down ignition on the compression stroke. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

[gcook]

Answer to Question 1

C

Answer to Question 2

A

[saliriagwu]

Thank you

[gcook]

No problem