Technician A says that a wide-band oxygen sensor, also called a lean air-fuel (LAF) sensor, can detect air-fuel ratios from as rich as 10:1 to as lean as 23:1. Technician B says that a conventional oxygen sensor cannot detect the exact air-fuel mixture. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
C
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IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS
Determine the forces in all bars of the truss below. Indicate if bar forces are tension or compression. Hint: Start with the method of sections.
The 1968 Democratic party convention witnessed
A. a long deadlock over the nomination of its presidential candidate. B. a violent conflict between police and anti-war demonstrators outside the convention hall. C. a walkout by hundreds of southern delegates, who then founded the Independent party. D. the assassination of Robert F. Kennedy soon after he delivered a speech at the convention. E. the enthusiastic nomination of Vice President Humphrey.
Which power line fault category is symptomatic of an instantaneous or dramatic increase in voltage?
a. Sag. b. Spike. c. Noise. d. Blackout.