Draw a one-shell-pass and six-tube-passes shell-and-tube heat exchanger. What are the advantages and disadvantages of using six tube passes instead of just two of the same diameter?
What will be an ideal response?
Using six-tube passes in a shell and tube heat exchanger increases the heat transfer surface area, and the rate of heat transfer increases. But it also increases the manufacturing costs.
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The most commonly used code for bridges, buildings, and other structural steel is ____________________.
Fill in the blank(s) with the appropriate word(s).
How can TAB improve the health of the occupants?
What will be an ideal response?
One-way overrunning clutches are purely mechanical devices.
Answer the following statement true (T) or false (F)
Where can a technician determine the correct water flow rate for a water source system?
A) adjust the water flow until the compressor is operating at its RLA rating point B) look at the manufacturer's specification sheet C) look on the data plate D) 4 GPM × tons = water flow