____ switches are used on exterior lighting to turn them off during daylight hours when they are not needed.
A. Light-cell
B. Suncell
C. Photocell
D. Sensitivity
Answer: C
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?A check valve fitted with a calibrated spring designed to prevent the valve from opening until a specific pressure is reached is called a _______________ _______________ valve.
Fill in the blank(s) with the appropriate word(s).
If the G-code is G20 G90 F6 G01 Z1.00:
A. The spindle will move at a rate of 6 inches per minute to a point where z = 1.00 in. B. The spindle will move at a rate of 6 inches per minute for a distance of 1.00 in. C. The spindle will move at a rate of 6 millimeters per minute to a point where z = 1.00 mm D. The spindle will move at a rate of 6 millimeters per minute for a distance of 1.00 mm
____________________ is a heavy, claylike soil that holds moisture better than sand, and needs humus to lighten it and improve its aeration
Fill in the blank(s) with correct word
A significant contribution to the cooling load for the interior portion of a commercial office building is
A) The heat generated by lighting B) The solar heat gain C) The heat gain through the floors on a multistory building D) The heat gain through the partition walls