Answer :
Final answer:
The cut-out pressure for a close on rise switch is calculated by adding the cut-in pressure to the differential. In this specific case, the cut-out pressure is 65 psi.
Explanation:
The student's question pertains to a close on rise pressure switch, specifically how to calculate the cut-out pressure. This is a concept found in physics, relating to the principles of pressure and mechanics. The cut-in pressure of a switch represents the value at which the switch will activate, while the differential pressure is the amount by which the pressure must change to deactivate the switch, or in this case, make it 'cut out'.
To calculate the cut-out pressure, you simply need to add the differential to the cut-in pressure. So, in this case, the cut-in pressure is 50 psi and the differential is 15 psi. Adding these together, we find that the cut-out pressure is 65 psi.
Therefore, the answer is: c. 65 psi.
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