To prepared a 1000 P.P.M solution of E.P.A. registered Quaternary ammonium compound, using a 15% active ingredient you would mix:
What will be an ideal response?
1 ounce of "Quats " to a gallon of water
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The lifespan of a hedgehog in captivity is usually ___________________ than in the wild
Fill in the blank(s) with correct word
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Resistance welding machines contain a(n) ____ to regulate the timing of the weld cycle.
A. mechanical system B. electrical circuit C. current regulator D. control system
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Whenever possible, when changing a motor, the _________________________ should be obtained.
Fill in the blank(s) with the appropriate word(s).
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If the total current equals 0 A in a four-branch parallel circuit, the trouble is that ________
A) the power supply is off B) three of the resistors have opened C) one resistor has opened D) one of the resistors has shorted
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