Which of the following is not recommended to attach rigid polymeric foam insulation to pipe?

a. Wire
b. Bands
c. Tape
d. Self-seal jacket


a. Wire

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Technician A says that because of hybrid/electric technology, the internal combustion engine used on these vehicles runs colder than peak operating temperatures. Technician B says that PTC coolers located in the A/C system are used to overcome this excessive engine heat. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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The most commonly used device for checking footing trench depth is the _____.

a. folding rule b. builder's level c. telescoping rod d. laser level

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Humans can synthesize how many of the amino acids needed for protein synthesis?

a. 11 c. 13 b. 12 d. 14

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Which type of question is the same as two true and false type questions?

A) Technician A/ Technician B B) All except C) Least likely D) Most likely

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