At least __________ 20-ampere small appliance branch circuits are (is) required to serve kitchen countertop surfaces.
a. 1
b. 2
c. 3
d. No minimum number of circuits required
b. 2
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Answer the following statement(s) true (T) or false (F)
1. Short cycling is a condition that occurs when the compressor is turned off immediately after the pressure has been stabilized. 2. Short cycling can be acceptable in some cases. 3. Many short-cycle timers use electronic components to affect a time delay. 4. The delay-on-break short-cycle timer begins its timing sequence when the thermostat contacts close. 5. Some electronic controls combine more than one function in a single unit.
Bathtub ring is caused by which of the following water problems?
a. turbidity b. hardness c. acidity d. dissolved iron
Which of the following materials is a pozzolana?
A) Portland cement B) Sand C) Fly ash D) Concrete E) Lime
The four environmental factors that must be right for effective germination are water, air, light, and
____________________.
Fill in the blank(s) with the appropriate word(s).