About ___________ workers has a problem with drug or alcohol abuse.
Fill in the blank(s) with the appropriate word(s).
One-in-five
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How can you protect concrete floors from moisture penetration?
What will be an ideal response?
Artificial soils:
A) are composed almost entirely of man-made materials. B) are influenced by the same factors as natural soils. C) are influenced by different factors from natural soils. D) are replacing natural soils in many modern farming operations.
Which of the following statements about the general requirements for service equipment for mobile homes is not true?
A. The service equipment must be located not less than 30 ft from the mobile home it serves. B. The service equipment must also be located within sight of the mobile home it serves. C. The service equipment is permitted elsewhere on the premises if another disconnecting means is located within 30 ft of the mobile homes. D. The neutral is permitted to be grounded again at the disconnecting means if the feeder complies with 250.32.
It has been determined that the source of audible noise for a radio is due to the power supply voltage. How can an inductor be configured to eliminate this noise?
A) Connect the inductor in parallel with the radio. B) An inductor will not affect the noise. C) Connect the inductor in series with the radio power wire. D) both B and C