The radionuclide Cesium-137 behaves in soils much like the element potassium

Indicate whether the statement is true or false


TRUE

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Which of the following metering devices responds to changes in the superheat of the refrigerant vapor leaving the evaporator?

a. low-side float valve b. high-side float valve c. automatic expansion valve d. thermostatic expansion valve

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The best mowing height for St. Augustinegrass depends on the cultivar that is grown, but most are cut to_________ inches

A) 0.5 to 1.0 B) 1.0 to 1.5 C) ?2 to 4 D) 3.5 to 4.5

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When a nonsinusoidal input is applied to any circuit, the Fourier series representation of the input can be applied through what theorem?

A. Sinusoidal B. Fundamental C. Harmonic D. Superposition

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Which of the following systems would be most likely to produce a power waveform that would require a true-RMS meter to accurately measure?

A) An electric strip heater which is controlled by a contactor B) A shaded pole motor controlled by a relay C) An incandescent light controlled by a toggle switch D) A three phase motor controlled by a variable frequency drive

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