When an accident happens during manicuring, three percent solution peroxide can be used for:
What will be an ideal response?
Antiseptic
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The highest current draw is at locked-rotor (zero RPM) speed for NEMA Design B motors, and does not start to drop off significantly until the rotor reaches ____ full-load speed.
a. 70-75% b. 80-85% c. 90-95% d. 100%
Ducks pair up _____
a. during migration south b. during migration north c. on their wintering ground d. on their summering grounds
The City of San Antonio is considering various options for providing water in its 50-year plan, including desalting. One brackish aquifer is expected to yield desalted water that will generate revenue of $4.1 million per year for the first 4 years, after which less production will decrease revenue by 10% per year each year. If the aquifer will be totally depleted in 20 years, what is the present worth of the desalting option revenue at an interest rate of 6% per year?
What will be an ideal response?
A normally operating water-cooled condenser is operating with a 10° differential between water in and water out. If scale forms on the water tubes and the entering water is 85°F, which of the following is possible?
A. The outlet water will be 88°F. B. The system head pressure will rise. C. The water regulating valve will close. D. Both a and b are correct.