A hydraulically operated booster unit stores fluid under pressure by means of ________
A) A boost piston B) An accumulator
C) An actuator D) A pressure chamber
B
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Which of the following weed control operations has the most potential to damage crops?
a. inter-row cultivation c. primary tillage b. broadcast cultivation d. secondary tillage
A magnesium alloy contains the following volumes of each element: 341.2 cubic decimeters of magnesium, 30.96 cubic decimeters of aluminum, 488.0 cubic centimeters of manganese, and 672.0 cubic centimeters of zinc. Find the percent composition by volume of aluminum. Round the answer to the nearest hundredth percent.
Fill in the blank(s) with the appropriate word(s).
What is the firing rate of a furnace with a Beckett AFG-FG burner and a 0.75 gph 70-B nozzle? (refer to Table 55-1)
What will be an ideal response?
When any refrigeration unit is in the heat mode of operation the flow of refrigerant is:
A. From the compressor discharge to the evaporator B. From the compressor discharge to the condenser C. From the compressor discharge to the heat exchanger D. From the compressor discharge to the accumulator