Which of the following backflow protection methods cannot be used on continuous pressure applications?
a. air gap
b. reduced pressure zone backflow preventer
c. atmospheric-type vacuum breaker
d. none of the above
ANSWER: c
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Which of the following abbreviations is used on electrical drawings to represent an oscilloscope?
a. CRO b. OSC c. OHM d. TD
Asynchronous inputs are best described as ________
A) having little or no control over the FF, except during the active clock input B) having full control over the FF, regardless of the input or clock states C) being tied to the inputs, but independent of the clock D) being tied to the clock, but not to the inputs
Carry the answer to four decimal places. The lighting set shown has the same number of volts across each lamp. The sum of all lamp voltages is equal to the total number of volts. Find the number of volts across each lamp.
Fill in the blank(s) with the appropriate word(s).
Maria has a field 220 yards down one side and 240 yards down the other side and 330 yards across planted in tobacco. The rows are 36 inches apart, and the plants are 16 inches apart in the row. She has a 94 percent stand. How many plants are in the field?
What will be an ideal response?