How do you define diesel engine breathing efficiency?
A. Total volume of exhaust gases as a percentage of engine displacement.
B. Ratio of the maximum compression pressure to maximum cylinder pressure expressed as a percentage.
C. Total air volume required to maintain any given engine RPM.
D. Actual volume of air taken in during the intake stroke versus cylinder swept volume.
Answer: D
You might also like to view...
The Americans With Disabilities Act
A. passed only when Congress overrode President George H. W. Bush's veto. B. prohibited discrimination against 43 million citizens facing mental or physical challenges. C. required the government to hire disabled Americans. D. provided scholarships and student loans to people with physical or mental disabilities. E. None of these choices are correct.
Which of the following tailpipe emissions is not currently classified as a noxious emission?
A. carbon monoxide B. carbon dioxide C. sulfur dioxide D. oxides of nitrogen
All of the following statements are true EXCEPT:
A. as a battery oxidizes, its plates shed, or slough, material. B. negative plates shed more material than positive plates. C. most battery cases are constructed of lightweight polypropylene plastic with a one-piece cover. D. sloughed off plate material collects in the bottom of the case between the raised cell supports in an area called the sediment chamber.
Technician A writes each diagnostic step on the work order using manufacturer-specific terminology
Technician B writes legibly so the service consultant and customer can read the repair procedure performed. Which technician is correct? A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B