For effective Disinfection, a quaternary ammonium compounds requires:

What will be an ideal response?


Long contact time

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Given the graph of the long run planning curve for a firm below,



A) Firm size #1 is making a profit but less profit than firm size #2.
B) Firm size #2 is making a total profit at price P equal to price P minus SAC2 by operating at
quantity Q2.
C) Firm size #4 is making an average profit at price P equal price P minus SAC4 by operating
at Q4.
D) Firm size #2 must downsize its operations if the price falls to PLR.

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Chromium-carbide precipitation is often called _____ precipitation.? ?  

A. stainless steel? B. carbon? C. hydrogen? D. carbide?

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When a diesel engine fails to start after 30 seconds of cranking, what is the recommended cool down period before cranking the engine again?

A. 30 seconds B. 60 seconds C. 2 minutes D. 10 minutes

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By doubling the reset setting on a controller, the time duration of the offset will ____.

A. double B. reduce by half C. remain unchanged

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