What three devices are usually found in series with the "Y" terminal of a low voltage control circuit?
What will be an ideal response?
These include the thermostat, pressure control, and cooling contactor coil.
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Two forces F1 and F2 are applied as shown in Figure 12.23. The resultant R has a magnitude of 850 N and acts in the direction shown in the figure. Determine the magnitudes of F1 and F2.
 FIGURE 1.png)
____ study fossil remains to locate oil-bearing rock layers
A) Photogeologists B) Mineralogists C) Stratigraphers D) Paleontologists
____ are electronic devices that enable the user to take measurements from drawings and input the data directly into a computer program.
A. Digitizers B. Analyzers C. Analogs D. Probes
What is the circumference of a circle whose radius equals 18.246 centimeters? Use 
= 3.1416 and round to 3 decimal places.
Fill in the blank(s) with the appropriate word(s).