Unified threads are the most common threads used on threaded fasteners. American National threads are similar to the Unified thread, but have a flat ____________________.
Fill in the blank(s) with the appropriate word(s).
root
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Which of these methods is used to clear underbrush on tree farms?
a. Mechanical means c. Prescribed burning b. Chemical means d. All answers are correct.
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What two pieces of information are necessary to measure the TEV superheat?
A) The suction line temperature and pressure B) The valve body temperature and the bulb temperature C) The evaporator inlet and outlet temperatures D) The liquid line and suction line temperatures
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____ ventilation provides equal parts supply and exhaust air through the use of fans.
A. Exhaust B. Balanced C. Supply-only D. Pressurized
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What is the purpose of a system pressure relief valve?
What will be an ideal response?
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