Which of the following systems is most suitable where a pond or lake is located fairly close to the building?

A) Air-to-air system with outdoor unit located near the water
B) Air-to-water system using the pond as a buffer tank
C) Water-to-air open loop system using the pond water
D) Water-to-air closed loop system with loop sunk in pond


D

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a. burns b. back injuries c. hearing damage d. foot injuries

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The base current must be created by a DC voltage source, which is called ____.

a. bias b. current c. power d. polarity

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Based on the information provided in the differential figure below, does the action indicate the vehicle is turning a corner or moving straight?

What will be an ideal response?

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What type of current source has a very large resistance across its terminals in parallel with the source?

A. Practical B. Ideal C. Voltage D. Series

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