Which of the following fixtures typically has built-in backflow protection?
a. lavatory
b. dishwasher
c. sink
d. food waste grinder
ANSWER: b
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It is sometimes a good idea to start a tap with a drill press since:
A) If you get tired turning the tap by hand, you can always turn on the machine B) Taps are prone to go in crooked when started by hand C) You can put a lot of force on the tap with the drill press feed handle D) All of the above
The primary advantage of artificial insemination is:
A. It is less labor intensive B. It is less expensive C. It permits the use of genetically superior sires for genetic improvement
When part of a circle is shown, the curved line is usually called a(n) ____.
A. chord B. radius C. diameter D. arc
The basic light-emitting diode is formed by joining gallium arsenide (GaAs) or ____________________ (GaP).
Fill in the blank(s) with the appropriate word(s).