Copper wire is basically pure copper that has been hardened by:
A) Strain hardening
B) Precipitation hardening
C) Alloying with tin and zinc
D) Heating to 1200 deg. F. (649 deg. C.) and quenching in water
A
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For a straight pull, the minimum length for a pull box with two 1" conduits and one 4" conduit on one wall and two 1" conduits and one 4" conduit entering the opposite wall is _____. (The conductor size is No. 4 AWG or larger, but operating at less than 1,000V.)
a. 24" b. 26" c. 32" d. 34"
A list of important events and tasks of a large project or process organized in chronological order would be a description of a ________.
A) Tracking list B) To-do-list C) Project D) Timeline
Answer the following statement(s) true (T) or false (F)
1. Producers use performance data to improve carcass and growth traits. 2. Breed averages change over time. 3. Breed EPD averages should be compared across breeds. 4. Performance data are estimates or predictions based on a producer’s herd. 5. Actual performance data consider environmental factors and comparisons to other groups.
The arrowhead in the schematic symbol for a diode represents:
A) the cathode. B) the semiconductor lead. C) the anode. D) all of these.