A ____ is a device that provides a degree of resistance in an electronic circuit, and under certain conditions either allows current to pass through it freely or blocks the flow completely.
A. capacitor
B. semiconductor
C. inductor
D. coil
E. none of the above
Answer: B
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Plywood veneer grade ____ is smooth, paintable, and does not have more than 18 neatly made repairs, boat, sled or router types.
A. A B. B C. C D. D
Wool that has been partially processed is called ____
a. carpet wool c. worsted b. apparel wool d. wool top
The cost of fabfication and installation of the ductwork can be determined by multiplying the ____________ times the labor cost for fabrication and installation.
A. total width B. total weight C. total length D. size
Answer the following statement(s) true (T) or false (F)
1.When using three-wire Type NM cable the white insulated wire is sometimes used as a traveler conductor for three-way and four-way switching and is required to be reidentified as an ungrounded conductor. 2.Like a four-way switch, a double-pole switch has four terminal screws and the toggle has “On” and “Off” written on it. 3.Like single-pole toggle switches, single-pole dimmer switches always come from the factory with screw terminals. 4.Motor loads not exceeding 80% of the ampere rating of the switch at its rated voltage are permitted to be controlled by alternating current general-use snap switches. 5.A double-pole switch can be used to control two 120-volt circuits.