Exam (elaborations)
Ch. 83 Evaporative Emission Control Systems Questions with solutions
- Course
- Institution
Ch. 83 Evaporative Emission Control Systems
[Show more]
Content preview
Ch. 83 Evaporative Emission ControlSystems
What is the substance used in a vapor canister to absorb volatile organic compounds? -
answer Carbon
Which valve(s) is (are) normally closed? - answerCanister purge valve
All of the following can increase pressure in the evaporative emission control system
except ____. - answerInlet fuel to the fuel pump
Evaporative emission control systems operate on low pressure measured in inches of
water (inch H2O). One PSI is equal to how many inches of water? - answer28
Inadequate purge flow rate will trigger which DTC? - answerP0446
Two technicians are discussing a state emission test. Technician A says that a vent
valve that is not able to close can cause the system to fail the on-board test. Technician
B says that a leaking gas cap can cause a failure of the EVAP test. Which technician is
correct? - answerBoth technicians A & B
Which EVAP valve is subject to rust and corrosion more than all of the others? -
answerVent valve
Before an evaporative emission monitor will run, the fuel level must be where? -
answerbetween 15% and 85% full
Technician A says that low-pressure smoke installed in the fuel system can be used to
check for leaks. Technician B says that nitrogen under low pressure can be installed in
the fuel system to check for leaks. Which technician is correct? - answerBoth
technicians A & B
A small leak is detected by the evaporative emission control system monitor that could
be caused by a loose gas cap. Which DTC will likely be set? - answerEither P0440,
P0441, or P0442
The volume of the upper volume chamber that allows for expansion of the fuel when hot
is between ________ of the volume of the tank. - answer10% and 20%
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Dreamer252. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $16.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now