Which type of chiller is more likely to freeze the tubes if charged or recovered improperly?
A) Direct expansion chillers B) Screw chillers
C) Flooded chillers D) Absorption chillers
C
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What independent federal agency was created to investigate and determine the root cause of major industrial accidents?
A) Clean Air Act B) Chemical Safety Board C) National Transportation Safety Board D) Behavior-Based Safety Board
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Evaluate the expression 
.
A. 1/9 B. 1/6 C. 1/3 D. 1/2
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What type of information does Global Positioning System (GPS) provide?
A. Pinpoint geographic locations B. Multipath transmissions C. Converts energy from one form to another D. Sky-wave communication
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Calculate the savings in cubic feet of natural gas. Assume the furnace has an efficiency of 98%.
What will be an ideal response?
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