Some level sensors measure liquid levels, including boundaries between two liquids, using _____.
a. mechanical floats
b. electrical capacitance
c. lasers
d. gas flames
b. electrical capacitance
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The first method of preserving food was probably drying
Indicate whether the statement is true or false
A welder puts out high amperage, so it needs
a. large electrical cables c. long electrical cables b. small electrical cables d. no electrical cables
Beginning 1 month from now, Thaxton Mechanical Products will set aside $1500 per month for possibly replacing its corrosion-resistant diaphragm pumps whenever it becomes necessary. The replacement isn’t needed for 3 years. How much will the company have available if the hoped-for rate of return of 18% per year is achieved?
What will be an ideal response?
A(n) __________ has a positive temperature coefficient.
A. thermistor B. RTD C. thermocouple