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10 PTS Written Exam

The document is a written examination for an automotive class containing 20 multiple choice questions about ignition systems and adjusting contact point clearance. Some of the questions covered include: - Tools used to adjust contact point clearance such as feeler gauges. - Components of the ignition system like the distributor and contact points. - Steps for adjusting contact point clearance including checking clearance with a feeler gauge and rotating the crankshaft. - Reasons for adjusting contact point clearance precisely like improving engine performance.

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Paul Senen Didulo
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3K views4 pages

10 PTS Written Exam

The document is a written examination for an automotive class containing 20 multiple choice questions about ignition systems and adjusting contact point clearance. Some of the questions covered include: - Tools used to adjust contact point clearance such as feeler gauges. - Components of the ignition system like the distributor and contact points. - Steps for adjusting contact point clearance including checking clearance with a feeler gauge and rotating the crankshaft. - Reasons for adjusting contact point clearance precisely like improving engine performance.

Uploaded by

Paul Senen Didulo
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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COL.

PATROCINIO ARTUZ NATIONAL HIGH SCHOOL


Brgy. Taft, Tapaz, Capiz

WRITTEN EXAMINATION

Read and Answer the following questions correctly as you can.

Select the best answer among choices given by encircling the letter of your
correct answer in each number.

1. What tools used in adjusting contact point clearance?


a. Open wrench
b. Screw driver
c. Timing light
d. Feeler gauge
2. Where can you find the contact point/breaker?
a. Distributor
b. Voltage regulator
c. Battery
d. Ignition coil
3. What component is adjusted inside the distributor if the timing is
not correct?
a. Contact point
b. Carburetor
c. Vacuum hose
d. Spark plugs
4. First thing to do when adjusting contact point clearance?
a. Loosen the screw of contact point
b. Check the clearance of contact point with feeler gauge.
c. Rotate the engine crankshaft until it rest to the highest cam
lobe of distributor shaft
d. Tighten the screw after adjusting the clearance of contact point.
5. Prevent the arcing/pitting of contact point
a. Ignition coil
b. Spark plug
c. Tension wire
d. Condenser
6. It is also called spark timing.
a. Valve adjustment
b. Ignition timing
c. Timing light
d. Timing marks
7. Distribute the ignition sparks to engine spark plug.
a. Ignition coil
b. Spark plug
c. Tension wire
d. Distributor
8. This makes the ignition coil and spark plugs fire sooner as engine
speed increase.
a. Centrifugal advance operation
b. Distributor centrifugal advance
c. Advance timing
d. Late timing
9. It is controlled by intake manifold vacuum and engine load.
a. Carburetor
b. Distributor
c. Centrifugal advance operation
d. Distributor vacuum advance

10. It is used to ignite the fuel inside the engine cylinder.


a. Piston
b. Valve
c. Crankshaft
d. Sparkplugs
11. Why we need to adjust contact point clearance to exact
specification?
a. increase engine speed
b. Increase fuel consumption
c. Improve engine performance
d. None of the above
12. Why feeler gauge are important in adjusting contact point
clearance?
a. Insure exact gap of contact point specified by engine
manufacturer.
b. Prevent detonation
c. Low engine consumption
d. None of the above
13. Why contact points are still use in engine aircraft?
a. Low maintenance
b. Easy to install
c. Make the engine run at high speed
d. It gradually degrade and not catastrophically failing.
14. What happen if the engine has pitted/ burned contact point?
a. Low fuel consumption
b. Damage the distributor
c. Damage the ignition coil
d. Rough idling and low performance
15. What to rotate when adjusting contact point clearance?
a. camshaft
b. transmission
c. crankshaft pulley
d. distributor
16. When to adjust contact point clearance?
a. If the contact is open
b. When the contact is closed
c. If the rubbing block at the highest cam
d. None of these
17. All adjustment in performing ignition timing should be specified
by
a. Service manual
b. Car manufacturer
c. Manufacturers manual
d. Mechanics
18. Air gap can be measured by using-
a. Micrometer
b. Caliper
c. Tester
d. Feeler gauge
19. How do you time an engine if the distributor has been removed
and the exact location of rotor is not known?
a. Using timing light
b. Perform spark test
c. Set engine in TDC compress no.1 cylinder
d. Remove distributor
20. In installing ignition distributor the no 1 cylinder should be in?
a. Intake stroke
b. Compression stroke
c. Power stroke
d. Exhaust stroke
ANSWER KEY

1. d
2. a
3. a
4. c
5. d
6. b
7. d
8. b
9. d
10. d
11. c
12. a
13. d
14. d
15. c
16. c
17. c
18. d
19. c
20. b

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