What refrigerant piping technique helps to get oil to flow up a suction-line riser along with vapor?

a. Selecting a line size that results in a very low velocity
b. Selecting a line size that is one or two sizes larger than the rest of the line
c. Installing a trap at the bottom of the riser
d. Installing a liquid-to-suction heat exchanger


c. Installing a trap at the bottom of the riser

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The process of microinjection is a very simple process and has produced many modified plants

Indicate whether the statement is true or false

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Herbaceous plants provide support for the plant through the pressure of water in the stem tissue

Indicate whether the statement is true or false

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Technician A says that a defective wheel or axle bearing often makes a growling or rumbling noise. Technician B says that a defective wheel or axle bearing often makes a noise similar to a tire with an aggressive mud or snow design. Which technician is correct?

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

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A resume should be brief, and easy to read.

Answer the following statement true (T) or false (F)

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