Carry the answer to two decimal places. A contractor purchases quantities of wire, fittings, and switches listed at $2,150 at Successive trade discounts of 15%, 10%, and 3%. What is the net cost?
Fill in the blank(s) with the appropriate word(s).
$1595.41
Trades & Technology
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The advantage of the relay is ____.
a. time b. power c. control d. size
Trades & Technology
The voltages and currents used in the primary circuits of substations are reduced to usable levels by _____.
a. distribution transformers b. instrument transformers c. pole-mounted transformers d. sealed self-cooled transformers
Trades & Technology
A cell consists of a negative electrode (anode); an electrolyte, which conducts ions and a positive electrode (____).
a. code b. cathode c. mode d. manode
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The efficiency of a heat pump operating in the heat mode tends to ____________________ as the outside air temperature drops.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology