52. Technician A says a four-gas ex-
haust analyzer is not used to meas-
ure Oxides of Nitrate (NOx).
Technician B says a four-gas ex-
haust analyzer is used to measure
Oxides of nitrogen (NOx).
Who is right?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
53. Which test is the most effective for
determining the condition of a bat-
tery?
a. Visual
b. Specific gravity
c. State-of-charge
d. Open circuit voltage
54. High levels of hydrocarbons (HC) in
the exhaust is a result of:
a. A rich air-fuel mixture
b. Unburned fuel
c. A lean air fuel mixture
d. A defective catalytic converter
55. All of the following are types of posi-
tion or speed sensors EXCEPT:
a. Magnetic pickup
b. Hall-effect
c. Optical
d. Thermister
56. Technician A says a thermistor is a
sensor that provides variable resist-
ance across an operating range.
Technician B says a potentionmeter
is a sensor that measures resist-
ance changes in proportion to tem-
perature.
Who is right?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
57. The purpose of the fuel pressure
regulator in a fuel injection system
is to?
a. Limit pressure produced by the
fuel pump
b. Maintain uniform pressure at the
injectors
c. Maintain residual pressure for
quick startup
d. Control air fuel ratio
58. The oxygen sensor voltage read-
ings are minimum 190 mV, maxi-
mum 750mV, with an average of
380 mV.
Technician A says this indicates a
lean engine running condition.
Technician B says this indicates a
rich engine running condition.
Who is right?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
59. Which of the following sensor sig-
nals is NOT used during open loop
engine operation?
a. MAF sensor
b. HO2 sensor
c. CKP sensor
d. TPS
60. During a cranking voltage test, a
starter motor should crank freely
and voltmeter readings should re-
main above:
a. 12.0 volts
b. 10.2 volts
c. 9.6 volts
d. 8.7 volts
Sample Test
119
Summary of Contents for ASE-A8
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