Vortex vanes on an electric centrifugal chiller ____________________
A. provide a way to coast the compressor wheel to a stop
B. prevent compressor surging
C. help control compressor capacity
D. separate out non-condensable gasses
C
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Give a general five-step procedure for creating an auxiliary view showing an inclined surface in true size and shape.
What will be an ideal response?
The ____ simply states that a gas or liquid that’s flowing through a narrowed-down section of a passage will increase in speed and decrease in pressure compared with the speed and pressure in wider sections of the passageway.
a. Bernoulli principle b. Newton principle c. Einstein principle d. Venturi principle
To adjust the soil pH downward, add calcium and magnesium
Indicate whether the statement is true or false
Parts used to join sections of pipe are called fitments.
Answer the following statement true (T) or false (F)