Cartridge fuses used for branch circuit protection must be marked with the ampere rating, voltage rating, and the _____.
a. date manufactured
b. dimensions
c. expiration
d. interrupting rating
d. interrupting rating
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Shakes and ____ create a jagged surface at the ridge and the edge.
A. shingles B. Masonite C. tile D. metal
____________________ sheep are raised for their pelts, which have a fur-like quality.
Fill in the blank(s) with the appropriate word(s).
What refrigerant is currently being used in refrigeration equipment?
A. R-12 and R-404a B. R-22 and R-502 C. R-134a and R-12 D. R-134a and R-404a
Answer the following statement(s) true (T) or false (F)
1. The electrician in industry today must be familiar with solid-state digital-logic circuits. 2. Magnetic relays are not digital devices. 3. If any input of a NAND gate is low, the output will be low. 4. When two NAND gates are connected as INVERTERS, and these INVERTERS are connected to the inputs of another NAND gate, the OR gate is formed. 5. There can be a difference in the way some ICs are connected.