If you accessed the fault code menu of a machine and wanted to know of any faults that are happening presently you would look for:
a. permanent faults
b. short term faults
c. stored faults
d. active faults
D
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Which of the following steps should come first in an analysis of system operating conditions?
a. Measure and record the compressor current. b. Listen for abnormal sounds as the unit starts. c. Connect a gauge manifold to the system. d. Record the superheat at the outlet of the evaporator.
Which of the following fuel subsystem components would typically be located closest to the fuel tank?
A. primary filter B. transfer pump C. injection pump D. secondary filter
A P0131 DTC is being discussed. Technician A says that an exhaust leak upstream of HO2S (bank 1 ) oxygen sensor could be the cause. Technician B says that an extremely rich air-fuel mixture could be the cause. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Filters that pass a range of frequencies while rejecting frequencies on either side are _____ filters.
A. low-pass B. high-pass C. bandpass D. band-rejection