At about what temperature does oxygen combine with the nitrogen in the air to form NOx?
A) 1500°F B) 500°F C) 2500°F D) 750°F
C
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When testing valve spring tension, within what percentage of the original tension specification should the measurement be?
A. 5 percent B. 10 percent C. 15 percent D. 20 percent
Answer the following statement(s) true (T) or false (F)
1. Electrical contacts must never be permitted to open or close slowly. 2. A bimetal strip is often formed into a spiral. 3. The amount of voltage produced by a thermocouple is generally in the order of megavolts. 4. A thermistor with a negative temperature coefficient will exhibit an increase of resistance with an increase in temperature. 5. One common method of sensing temperature is by the increase of pressure of some chemicals.
The ponds in which catfish are raised are made such that producers can move through them with large nets, called ____________________, during harvesting.
Fill in the blank(s) with the appropriate word(s).
Conductance testers are used to test all of the following EXCEPT_________.
A. current flow B. batteries C. starters D. generator output