Listening to the customer’s complaint does not provide _____.
a. valuable information about the problem
b. information about what the unit should do
c. clues that the HVAC equipment may not be faulty
d. all information needed to find the problem
d. all information needed to find the problem
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The term constructional stretch is defined as stretching that occurs _____.
a. in the first phase in the life of a wire rope b. in the second, prolonged phase in the life of a wire rope c. in the third and final phase in the life of a wire rope d. as the rope is initially wound on the drum
A professional engineer must design pole scaffolding that is in excess of _____ feet high.
a. 30 b. 60 c. 75 d. 90
Answer the following statement(s) true (T) or false (F)
1. Batteries are combinations of three or more cells for the attainment of higher voltages or currents. 2. The voltage derived from a cell depends solely on the type of materials used in the construction of the cell. 3. The inside of a cell is not dry but rather is a moist paste (when the cell is new). 4. Electrons move from positive to negative in the outer circuit (the load), but inside the source they move from negative to positive. 5. The Leclanche, alkaline, and mercury cells are the most widely used dry cells.
Incorporated into the receiver tank will be a:
A. Service valve B. Bypass check valve C. Sight glass D. All of the above will be part of the receiver tank assembly