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1. The magnetic field surrounding the pickup coil in a magnetic
pulse generator moves when the
a. reluctor tooth approaches the
coil
b. reluctor tooth moves away from
the pickup coil
c. reluctor is aligned with the pickup
coil
d. both A and B
2. Dwell is defined as
a. The voltage in the Primary circuit
b. The length of time in degrees
the points are
opened
c. The length of time in degrees
the points are
closed
d. Point gap in thousandths of an
inch
3. The pickup coil does not produce a voltage when
a. the coil is midway between two
reluctor teeth
b. a reluctor tooth is aligned with
the coil
c. a reluctor tooth moves away from
the pickup coil
d. a reluctor tooth approaches the
coil
4. A magnetic field surrounds the coil when
I the ignition switch
is on and the points are open
II the ignition switch is on
and the points are closed
Which is right?
a. I only
b. II only
c. both I and II
d. neither I nor II
5. Technician A says the contact points and condenser are part
of the Secondary circuit. Technician B says all the
components in the distributor are part of the Secondary
circuit. Who is correct?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
6. Voltage can be increased or decreased by the use of
a. transformers
b. circuit breakers
c. motors
d. solenoids
7. In solid state ignition sytems
a. secondary voltage is lower that
a conventional
system
b. no breaker points are used
c. no coil is used
d. breaker points carry low current
8. The Secondary circuit of the ignition system operates on
volts.
a. 5
b. 7
c. 12
d. 20,000
9. Technician A says that ignition systems usually put out in
excess of 40 kV. Technician B says the system will
only put
out enough voltage to jump the gap at the
plug. Who is
right?
a. A only
b. B only
c. both A and B
d. neither A nor
B
10. Which of the following is not part of the Primary system?
a. points
b. condenser
c. rotor
d. ballast
resistor
11. The ignition coil on a vehicle in good condition with all
new ignition components will put out approximately
volts during normal operation.
a.
3-8 K
b.
12
c.
8-12 K
d.
12-60 K
12. Which of the following components is not found in most
electronic ignition systems?
a.
condenser
b.
distributor cap
c.
spark plugs
d.
rotor
13. Which of the following can amplify an electrical signal?
a. resistor
b. thermistor
c. transistor
d. diode
14. Which of the following is used to increase the timing as
speed increases?
a. contact point advance
b. centrifugal advance
c. vacuum advance
d. ported advance
15. Which of the following is a function of both breaker point
and electronic ignition systems?
a. to vary the spark timing based
on varying
operating conditions
b. to time the arrival of the spark
to coincide with
piston movement
c. to generate sufficient voltage
to jump the plug
gaps
d. all of the above
16. What happens when the low-voltage current flow in the coil
primary winding is interrupted by the switching
device?
a. the magnetic field collapses
b. a high voltage surge is induced
in the secondary
c. both A and B
d. neither A nor B
17. Technician A says electronic ignition systems are better
than point and condenser type because there are
less moving
parts to wear and change adjustments. Technician
B says
electronic ignition systems are better because
they are
capable of producing higher voltages.
Who is correct?
a. A only
b. B only
c. Both A
and B
d. Neither
A nor B
18. Technician A says that the coil primary receives more
voltage when the engine is running. Technician
B says that
the coil primary receives more voltage when the
engine is
cranking. Who is right?
a. A only
b. B only
c. both A
and B
d. neither
A nor B
19. The positive side of the coil should always be connected to
the
a. spark
plugs
b. negative
side of the battery
c. ignition
switch
d. frame
20. In a centrifugal advance mechanism the spark advance
responds to
a.
distributor breaker points
b.
engine speed
c.
engine load
d.
calibrated weight springs
21. On a transistor, what is the "control" connection?
a.
base
b.
collector
c.
emitter
d.
none of the above
22. Technician A says the coil fires when the points open.
Technician B says that the coil fires when the
points close.
Who is right?
a. A only
b. B only
c. both A
and B
d. neither
A nor B
23. What component is used to open and close the primary circuit
on an electronic ignition system?
a. points
b. transistor
c. diode
d. condenser
24. The primary circuit of the ignition system works on ___
volts.
a.
5
b.
7
c.
12
d.
20,000
25. In an electronic ignition system, which of the following
actually controls the primary coil current?
a. pickup
coil
b. transistor
c. breaker
points
d. reluctor
KEY - QUIZ 2