How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask Mr. Gregory White Your Own Question

Mr. Gregory White
Mr. Gregory White, Professor
Category: Homework
Satisfied Customers: 4713
Experience:  M.A., M.S. Education / Educational Administration
Type Your Homework Question Here...
Mr. Gregory White is online now
A new question is answered every 9 seconds

1. The ignition timing of an engine is expressed inA. inches

Resolved Question:

1. The ignition timing of an engine is expressed in
A. inches of crankshaft rotation. C. degrees of crankshaft rotation.
B. seconds of crankshaft rotation. D. volts produced by the ignition.

2. The points in a six-cylinder engine are opened and closed due to contact with the
A. six teeth on a distributor gear. C. rotor.
B. condenser. D. six lobes of a distributor cam.

3. In an electronic ignition system that contains a magnetic-pickup triggering device, the _______ is mounted on the distributor shaft.
A. pickup coil C. ignition condenser
B. trigger wheel D. ignition module

4. In a direct-fire ignition system that’s designed to fire two cylinders at the same time, one cylinder is fired at TDC on its compression stroke, and the other cylinder is fired at TDC on its
A. intake stroke. C. power stroke.
B. compression stroke. D. exhaust stroke.

5. The insulator of a typical spark plug is made of
A. soft plastic. C. porcelain.
B. oil-resistant fiberglass. D. tempered steel.

6. _______ is used to ensure that complete combustion occurs when engine rpms increase.
A. A cold-burning spark plug C. A coil
B. Spark advance D. A distributor lobe

7. When connecting spark plug wires to a distributor cap, the wires should be connected to the cap in
A. firing order. C. any random order.
B. reverse firing order. D. order from the shortest to the longest wire.

8. The function of the condenser in a point-type ignition system is to
A. delay the opening of the points. C. induce a voltage in the primary coil.
B. advance the engine timing at high rpms. D. prevent electricity from arcing across the points.

9. The length of the metal threads at the end of a spark plug is called the
A. reach. C. ground.
B. insulator. D. shell.

10. An eight-tooth armature can be found mounted to the
A. distributor shaft in an eight-cylinder engine. C. rotor assembly in a four-cylinder engine.
B. camshaft in an electronic ignition system. D. pickup coil.

11. In a conventional ignition system, the dwell increases as the
A. spark plug gap is decreased. C. point gap is increased.
B. spark plug gap is increased. D. point gap is decreased.

12. In a direct-fire ignition system, timing advance is set by the
A. pulse ring. C. point gap.
B. Hall-effect sensor. D. computer.

13. Which of the following triggering devices is used in a conventional ignition system?
A. Contact points C. Hall-effect switch
B. Magnetic pickup coil D. Optical triggering device

14. The dwell setting in an ignition system that contains an LED requires _______ periodic inspection.
A. no C. infrequent
B. annual D. 30,000-mile

15. In an ignition system without a distributor, _______ is determined by a computer.
A. point gap C. spark plug gap
B. plug reach D. spark timing

16. A component with spark towers placed every 45 degrees is a
A. faulty design as spark towers must be spaced every 90 degrees.
B. distributor shaft on an 8-cylinder engine.
C. rotor in a Hall-effect sensor-controlled ignition system.
D. distributor cap on an 8-cylinder engine.

17. Which of the following devices uses LEDs and photo diodes for ignition triggering?
A. Contact points C. Hall-effect switch
B. Magnetic pickup coil D. Optical triggering device

18. A _______ serves an important function by helping to identify crankshaft position during computer-controlled engine operation.
A. condenser C. pulse ring
B. centrifugal-advance system D. timing mark

19. _______ direct(s) current flow from the coil to individual plugs.
A. The condenser C. The rotor
B. The coil windings D. The distributor shaft

20. The lean air-and-fuel mixtures found in modern engines are usually fired by
A. advanced-spark distributors. C. retarded-spark distributors.
B. electronic ignition systems. D. cold-running spark plug wires.

21. In a conventional ignition system, when the contact points move apart,
A. the flow of current in the primary winding starts.
B. the primary winding’s magnetic field collapses.
C. current flows through the ignition coil.
D. current is discharged from the condenser.
Submitted: 1 year ago.
Category: Homework
Expert:  replied 1 year ago.
THIS ANSWER IS LOCKED!
You can view this answer by clicking here to Register or Login and paying $3.
If you've already paid for this answer, simply Login.
Mr. Gregory White, Professor
Category: Homework
Satisfied Customers: 4713
Experience: M.A., M.S. Education / Educational Administration
Mr. Gregory White and 5 other Homework Specialists are ready to help you
Customer: replied 1 year ago.

Thank you so much that was really helped me check my answers. Greatly appreciated!

JustAnswer in the News:

 
 
 
Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.
 
 
 

What Customers are Saying:

 
 
 
  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C. Freshfield, Liverpool, UK
< Last | Next >
  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C. Freshfield, Liverpool, UK
  • This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!! Alex Los Angeles, CA
  • Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult. GP Hesperia, CA
  • I couldn't be more satisfied! This is the site I will always come to when I need a second opinion. Justin Kernersville, NC
  • Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around. Esther Woodstock, NY
  • Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know. Robin Elkton, Maryland
  • He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here. Diane Dallas, TX
 
 
 

Meet The Experts:

 
 
 
  • Manal Elkhoshkhany

    Tutor

    Satisfied Customers:

    4520
    More than 5000 online tutoring sessions.
< Last | Next >
  • http://ww2.justanswer.com/uploads/BU/BusinessTutor/2012-2-2_115741_Kouki2.64x64.jpg Manal Elkhoshkhany's Avatar

    Manal Elkhoshkhany

    Tutor

    Satisfied Customers:

    4520
    More than 5000 online tutoring sessions.
  • http://ww2.justanswer.com/uploads/LI/lindaus/2012-6-10_04811_IMG20120609164157.64x64.jpg Linda_us's Avatar

    Linda_us

    Finance, Accounts & Homework Tutor

    Satisfied Customers:

    3121
    Post Graduate Diploma in Management (MBA)
  • http://ww2.justanswer.com/uploads/ComputersGuru/2010-02-13_051118_Photo41.JPG LogicPro's Avatar

    LogicPro

    Engineer

    Satisfied Customers:

    3035
    Expert in Java C++ C C# VB Javascript Design SQL HTML
  • http://ww2.justanswer.com/uploads/lanis/2009-4-1_233717_phput9xef_c1pm.jpg Lani S.'s Avatar

    Lani S.

    Tutor

    Satisfied Customers:

    2457
    Registered Nurse, Internet Researcher, Private Tutor
  • http://ww2.justanswer.com/uploads/chooser77/2009-08-18_162025_Chris.jpg Chris M.'s Avatar

    Chris M.

    M.S.W. Social Work

    Satisfied Customers:

    2341
    Master's Degree, strong math and writing skills, experience in one-on-one tutoring (college English)
  • http://ww2.justanswer.com/uploads/JawaadAhmed/2009-6-27_12137_SIs_SHadi.jpg F. Naz's Avatar

    F. Naz

    Chartered Accountant

    Satisfied Customers:

    1975
    Experience with chartered accountancy
  • http://ww2.justanswer.com/uploads/JK/jkcpa/2011-1-16_182614_jkcpa.64x64.jpg Bizhelp's Avatar

    Bizhelp

    CPA

    Satisfied Customers:

    1873
    Bachelors Degree and CPA with Accounting work experience