?Because residents often make mistakes in sorting plastic containers, many large communities accept ____.  

A. ?PVC only
B. ?only HDPE plastics
C. ?only nonplastics
D. ?commingled materials


Answer: D

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A 3.5 ton heat pump system is used for a ?2,149.7 sq. ft. house.  What is the ratio of sq. ft. to ton of heat pump?

Fill in the blank(s) with the appropriate word(s).

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Technician A says that when a kingpin is welded to an upper coupler, it should be stitch welded in one direction of rotation. Technician B says that an AWS E-11018 electrode is recommended. Who is correct?

A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B

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Which type of line is never crossed by another line when dimensioning an object?

What will be an ideal response?

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Technician A says one must be trained in how to use an air-purifying respirator before using it. Technician B says with proper ventilation; a dust/mist respirator can be used for painting operations. Who is correct?

A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B

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