Which of the following statements concerning applications or capabilities of soil moisture measuring devices is (are) true for the neutron probe?
A) requires "destructive sampling" for each measurement
B) good to turn on automatic irrigation at -50 kPa
C) used to turn on irrigation when soil moisture potential reaches -200 kPa
D) would give the same reading for both a loamy sand and a silt loam if both contained 15% moisture
E) both A and D
D
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Site plan requirements vary by jurisdiction, such as city, county, or state.
Answer the following statement true (T) or false (F)
A valve job restores the valves and seats. This increases manifold vacuum and may cause ________
A) Coolant consumption B) High idle speeds C) Rough idle D) Increased oil consumption
The output of a three input (A, B, and C) AND gate is connected to a two input OR gate. A second input to the OR gate is labeled D. The Boolean expression representing this logic circuit is:
A) X = (A + B + C) + D B) X = ABC + D C) X = (A + B + C) D D) X = (ABC)D
When troubleshooting an electric furnace, you find that the blower is operating, but cold air is coming out of the ducts, the thermostat is calling for heat, and the fan setting is on auto. What would be the most likely problem?
A. defective fan relay B. defective thermostat C. open heating elements D. defective blower motor