Refrigerant piping must be able to adequately carry both refrigerant and:

A) Oil. B) Electricity. C) Air. D) Nitrogen.


A

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The average velocity of water in a 4 cm by 20 cm rectangular channel is 10 m/s. If the channel undergoes a transition to a 4-cm-diameter pipe, the average velocity in the pipe is nearest:

A) 72 m/s B) 64 m/s C) 56 m/s D) 48 m/s

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Clients and landscape professionals often learn about new products from articles and advertisements in ____________________

Fill in the blank(s) with correct word

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Which of the following is a benefit of mentoring?

A. Enhances performance B. Satisfies ISO 9000 standards C. Decreases the organization’s retention rate D. Eliminates the problem of stewardship

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How many cubic yards of grout are needed to fill an 8" block wall having a length of 24' and height of 10'?

What will be an ideal response?

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