Which of the following motors is the best installation choice for an application requiring adjustable speeds?
a. DC
b. Split-phase
c. Synchronous
d. Capacitor-start
a
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Most air bags are deployed by a(n) ____.
A. explosive charge B. activation switch C. battery D. sudden jolt
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Is a pesticide with a high LD50 more or less toxic than one with a low LD50?
What will be an ideal response?
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Water conditions that must be monitored to keep a cooling tower system working properly include
A) isothermal capacity, density, and opacity B) ambient temperature and relative humidity C) pH, mineral content, and biological growth D) incoming water pressure, sump water level, and sump water pump inlet pressure
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The practice of designing a home to utilize the sun's energy for heating and cooling is called ____ solar design.
A. passive B. active C. remissive D. overt
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