The cad cell senses the flames by:
A) Increasing in resistance when exposed to light. B) Dropping in resistance when exposed to light.
C) Increasing in resistance when exposed to heat. D) Dropping in resistance when exposed to heat.
B
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Footings are typically ____" deep for two or more stories.
A. 4 B. 8 C. 10 D. 12
_________________________ are threaded fasteners used for general assembly of machine parts and are specified by thread, length, and head type.
Fill in the blank(s) with the appropriate word(s).
Holes must be bored so that the edge of the hole is at least ____ from the nearest edge of the wood member.
A. 1 1/8 inch B. 1 1/4 inch C. 1 1/4 inch D. 1 inch
Two-speed wiper motors generally use ________ to achieve the two speeds
A) Reduction gear transmission B) Gear reduction C) Cams D) Speed control brushes