The type of stem that does not come in contact with the fluid in the system is the _____ stem.
a. nonrising
b. rising
c. OS&Y
d. bonnet
c. OS&Y
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A central inverter system is defined simply as a PV system with a(n) ____.
a. tangential inverter system b. longitudinal inverter system c. axial inverter system d. single inverter system
Unless there is a permanent barrier installed between the receptacle and a storable pool, a receptacle cannot be located any closer to a storable pool than _____.
a. 3 feet (0.91 m) b. 4 feet (1.22 m) c. 5 feet (1.52 m) d. 6 feet (1.83 m)
Which of the following is true?
A) There are more calories in a 3 oz. cooked portion of pork than lamb. B) A 3 oz. cooked portion of lamb has more zinc than beef. C) Neither are true.
Most homes built before the 1930s ____.
A. had little or no insulation and leaked badly B. were over-insulated and never leaked C. were unable to "breathe" D. could not dry out easily if they got wet