The main advantage that a tracking A/D converter has over a stairstep-ramp A/D converter is that it ________
A) uses an up/down counter to indicate the polarity of the input voltage
B) does not require a counter
C) uses an up/down counter to allow it to measure both positive and negative voltages
D) is faster
D
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When a vehicle AC system is set to "MAX" there is an increase in fan noise inside the vehicle. Which of these could be the cause?
A) Normal sound when the recirculation door opens B) "MAX" setting automatically increases the fan speed C) Thermal acceleration noise D) None of these
A crop that protects the soil when summer annuals such as corn and soybean are not present is called a ____________________ crop
Fill in the blank(s) with correct word
Where is the rotary control valve located on a power rack and pinion steering gear?
A) Under the dampening adjuster B) In the rack tube, just behind the rack seal retainers C) Behind the mounting brackets D) Between the steering gear input shaft and the pinion gear
Who is RSES?
A) They represent over 90% of the HVACR manufacturers. B) They are dedicated to engineering of HVACR systems and application. C) They are an organization devoted to educating HVACR technicians. D) They write most government mechanical and electrical codes.