Explain the difference between an open loop and a closed loop
What will be an ideal response?
An open loop is open to the air and requires the water be constantly replenished. A well system is an open loop. A closed loop re-circulates the water through pipes buried in the ground.
You might also like to view...
Answer the following statement(s) true (T) or false (F)
1. The human ear detects all frequencies equally. 2. A sound wave cannot exist at various different frequencies. 3. Any two sounds whose frequencies make a 2:1 ratio are said to be separated by an octave. 4. The Potential Acoustic Gain Formula states that as the listeners double their distance from the sound source, the sound pressure level they perceive will decrease by 6dB. 5. Low frequencies are direct line of sight.
Name four medium wool breeds of sheep commonly used to produce slaughter lambs
What will be an ideal response?
The four basic types of SAE are exploratory, research/experimentation, ownership/entrepreneurship, and placement
Indicate whether the statement is true or false
Attic vents must have an area equal to _____ of the attic area.
A. 1/150 B. 1/100 C. 1/75 D. 1/50