The waste stub in SMA electrodes represents approximately ____ % of the filler metal that must be discarded.
A. five
B. ten
C. fifteen
D. twenty
Answer: C
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The first step in starting a chilled water system is to ____.
A. activate the compressor unloading system B. activate the chilled water circulating system C. activate the condenser heat removal system D. start the compressor operation sequence
Which part takes the place of a clutch in an automatic transmission?
A) All of the above B) Planetary gear sets C) Torque converter D) Clutches of bands
Smaller chillers typically use:
A) Rotary or hermetic compressors. B) Centrifugal or screw compressors. C) Centrifugal or rotary compressors. D) Reciprocating or scroll compressors.
What is the most common alternative fuel for internal combustion engines?
A. propane B. methanol C. ethanol D. ethyl alcohol