Cooling towers are designed to reduce the entering water temperature to within ____°F of the air's wet-bulb temperature.
A. 3
B. 7
C. 14
D. 35
Answer: B
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For the badly damaged edge connector that has to be replaced, the first step is to remove the edge connector by scoring the point where it is still ____________________.
Fill in the blank(s) with the appropriate word(s).
Portland cement plus lime (PCL) and sand are three particulate materials in mortar. In this mix, sand is three times that of PCL. Is this 3:1 relationship by weights of the materials or by their volumes?
What will be an ideal response?
Typical thrust bearing clearance is ________
A) 0.025 to 0.035 B) 0.001 to 0.003 C) 0.050 to 0.100 D) 0.002 to 0.012
When soldering 1-1/2" tubing in a horizontal position, you should _____
A) start feeding solder near the bottom and work up B) start feeding solder at the top and work down C) turn the assembly to the vertical position first D) feed the solder from a single point