Technician A says a scan tool may be used to retrieve diagnostic trouble codes (DTCs) in a computer-controlled suspension system. Technician B says on OBD II equipped vehicles the scan tool is connected to a data link connector (DLC) under the dash. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
Answer: C
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This is the maximum recommended design lengths when a spring is compressed.
a. compression length b. free length c. solid height d. loading extension
Control limits are best described as:
a. the highest point established as the top specification on a control chart. UCL X-bar = Average X-bar + (A2 X Average R). b. boundaries that tell you if the process is in control. c. a cause of variation or special cause. d. the lowest point established as the bottom specification on a control chart. LCL X-bar = Average X-bar – (A2 X Average R).
Conductors that become too hot ____________
A) Could be the result of a short to ground before the load B) Create excessive resistance C) Both A and B D) Neither A nor B
Which statement about the operation of HVAC equipment during fire ventilation operations is correct?
a. HVAC systems should be shut down as soon as possible b. it is important to maintain power to the HVAC system at all times c. HVAC systems are designed to automatically shut down when smoke is detected d. some HVAC systems incorporate features that are useful for clearing smoke