Pneumatic controls are most commonly used
A) To move air through the duct of forced air systems
B) To operate systems with programmable logic control
C) To control dampers and valves in large commercial systems
D) To turn on and off small residential air conditioning systems
C
You might also like to view...
The water-conducting tissue in the stem that allows for water uptake is called the ____________________
Fill in the blank(s) with correct word
A system with an inefficient compressor will operate with:
A) A high suction pressure and a high head pressure. B) A low suction pressure and a low head pressure. C) A high suction pressure and a low head pressure. D) A low suction pressure and a high head pressure.
When representing structural members with finished quality lines for a trussed framed roof with a vaulted ceiling, what should you do next after drawing the eave blocking?
A. represent the roof sheathing with thin lines B. use the MIRROR command to place items on the opposite side of the section C. draw the fascia D. trim the lines representing the top and bottom truss chords as needed
________: the general price level is rising even though the economy is nowhere near full employment output.
Fill in the blank(s) with the appropriate word(s).