If the work in the shop requires the removal of extremely fine particles from the grinding fluid, you should probably have a:
A) Centrifugal system B) Filtering system C) Settling system D) All of the above
B
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In a closed-loop system, the same fluid (water or water and antifreeze) will absorb heat from the ground in the winter and reject the heat to the ground in the summer.
Answer the following statement true (T) or false (F)
An assembly line robot arm with a first cost of $75,000 in 2001 had a cost of $89,750 in 2017. If the equipment cost index for robots was 307 in 1995 and the robot cost increased exactly in proportion to the index, the value of the index in 2017 was closest to: (choose one)
(a) 367 (b) 395 (c) 437 (d) 4
Before leaving for the weekend a greenhouse manager notices that the root substrate in his greenhouse is dry. There is insufficient time to thoroughly water before making an evening appointment which he has. He decides to use the available time and apply half of the water required to the whole crop. This he figures will buy him half of the standard length of time between waterings. What do you
think about this manager's decision? Is it right or wrong and why? What will be an ideal response?
Using Figure 31-30, what should the liquid line temperature be for a model 10ACB30 unit operating in an ambient temperature of 97°F?
What will be an ideal response?