Should heating and cooling coil exterior surfaces ever be cleaned?

What will be an ideal response?


Yes. The exterior surfaces can be pressure cleaned with hot water and detergent or a commercial cleaner.

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____ are products cut from W, S, and M shapes by splitting the webs.

A. Structural tees B. Channels C. Flanges D. Structural tubing

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What is the main reason most recently manufactured vehicles use sealed fuel subsystems?

A. Sealed systems provide better fuel economy. B. To meet current emission standards. C. Limit the ingestion of fuel contaminants. D. Sealed systems are more reliable and less expensive to manufacture.

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Which hazard is caused by heavy workloads, lack of control over the pace of work, shift work, noise, working by yourself, and conflict with coworkers and employers?

a. Biological. b. Chemical. c. Physical. d. Stress.

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How many standard-size bricks to the nearest whole brick are needed to build single-wythe chimney walls for a 30'6" tall appliance chimney having an 8" x 8" flue lining?

What will be an ideal response?

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