Where does the current come from that moves the needle on an analog volt meter?
A) The volt meter uses induction to produce a small electric current using the magnetic field surrounding the wire it is testing.
B) The battery inside the meter
C) No current is required to move the needle on an analog volt meter.
D) The meter uses a small amount of current from the circuit it is testing.
D
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A long cool-down period between furnace on-cycles indicates _____.
a. normal operation b. oversized equipment c. undersized equipment d. good latent heat control
How much conduit is needed if the rise is 15", the leg length is 10", and the gain is 8.6"?
a. 13.6" b. 16.4" c. 33.6" d. 36.4"
22. A sine or cosine wave can be thought of as consisting of both positive and negative ______________
A. frequencies B. signals C. ranges D. carriers
When specifying material size for a sheet metal development, it is customary to give the gage number, type of gage and its inch or millimeter equivalent in brackets, and the ___________________________________.
Fill in the blank(s) with the appropriate word(s).