Which of the following statements concerning applications or capabilities of soil moisture measuring devices is (are) true for the tensiometer?
A) used to turn on irrigation when soil moisture potential reaches -200 kPa
B) requires "destructive sampling" for each measurement
C) good to turn on automatic irrigation at -50 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
C
You might also like to view...
State the requirements for the service-entrance switch stipulated by the CodeĀ®.
What will be an ideal response?
A zener diode can be used to stabilize or regulate voltage. For example, it can be used to compensate for power-line voltage changes or load-resistance changes while maintaining a constant ____.
A. breakdown voltage B. DC output C. zener current D. reverse voltage
A dual-range ____ generally has three terminals for making the connections labeled COM, 3 A, and 30 A.
a. ammeter b. voltmeter c. ohmmeter d. wattmeter
Technician A says that drum brakes can fail to slow the vehicle if driven through deep water. Technician B says that when drum brakes get hot, the brake pedal will drop because the drum expands away from the shoes. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician