Which of the following conditions cause the R number to decrease?
A. increasing the velocity of the fluid
B. using a fluid with a greater density
C. reducing the pipe diameter to half its original size
Answer: C
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Why is it not always a good idea to install a gauge set and check the system pressure on every system?
What will be an ideal response?
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A trench is an excavation that has a depth greater than its width, and a width that is no greater than _____
a. 10' b. 15' c. 20' d. 25'
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Add the following quantities to obtain the correct sum. 2,376 millimeters 515 millimeters 1,883 millimeters + 374 millimeters
What will be an ideal response?
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The cambium layer of a tree creates new outward growth
Indicate whether the statement is true or false.
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