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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Indicate whether the statement is true or false
Herbaceous plants provide support for the plant through the pressure of water in the stem tissue
Indicate whether the statement is true or false
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
A resume should be brief, and easy to read.
Answer the following statement true (T) or false (F)