____ are slightly sloped passages that serve the same purpose as stairs in that they provide access from one elevation in a building to another.
A. Ramps
B. Upgrades
C. Inclines
D. Gradients
Answer: A
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Gears on the output shaft directly drive gears on the input shaft.
Answer the following statement true (T) or false (F)
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It is estimated that 3.5 billion people will face water shortages by ____
a. 2020 b. 2025 c. 2030 d. 2035
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Technician A says that knowing if there are any stored diagnostic trouble codes (DTCs) may be helpful when checking for related technical service bulletins (TSBs). Technician B says that only a factory scan tool should be used to retrieve DTCs. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
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What type of compressor is most often used in large chillers?
A) Centrifugal B) Scroll C) Reciprocating D) Rotary
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