The negative electrode in a fuel cell is called ________
A) Cathode B) Diode
C) Anode D) None of these are correct
C
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All of the following are added to gasoline except?
A. Isopropyl alcohol B. Ethanol C. Tetraethyl lead D. Aromatic amines and phenols
Answer the following statement(s) true (T) or false (F)
1. Maximizing the energy efficiency of an HVAC system means controlling two factors: the area (volume of air) in the home that the system must heat and cool, and the temperature level to which the system must heat or cool that area. 2. Air duct leaks are usually easy to detect. 3. Room air conditioners do not work well in confined, well insulated spaces. 4. The two main types of space heaters are defined by their method of transferring heat. 5. Most residential water heaters in the U.S. are tanks ranging in size from 5-20 gallons.
Chestnuts are black horses having no red on their points
A. True B. False
Starter motors operate on the principle that ________
A) The field coils rotate in the opposite direction from the armature B) Like magnetic poles repel C) Opposite magnetic poles repel D) The armature rotates from a strong magnetic field toward a weaker magnetic field