A(n) ____________________ system reuses the same fluid over and over and is contained in a sealed piping arrangement.
Fill in the blank(s) with the appropriate word(s).
closed-loop
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Which of the following has the advantage of being resistant to shock and vibration and is commonly used for the I/O track of a programmable controller?
a. Solid-state relay b. Mechanically held relay c. Bimetallic overload relay d. Thermal overload relay
One foot equals ____________________ inches.
Fill in the blank(s) with the appropriate word(s).
If a manager can afford only a limited amount of soluble P fertilizer for a calcareous soil with low phosphorus availability, the best plant growth is likely to be obtained if the P fertilizer is applied ________
A) well in advance of the plant's main period of nutrient uptake B) evenly across the entire area to be fertilized and mixed thoroughly with the soil in the root zone C) in narrow bands or localized concentrations D) in combination with ground limestone E) a combination of both B and D would be best
A tire is labeled 215/60Rx15 92T; the T indicates ________
A) Its load rating B) Its speed rating C) Its tread wear rating D) Its temperature resistance rating