Electric furnaces have an efficiency of __________%.
A. 70
B. 80
C. 90
D. 100
Answer: D
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A(n) ____________________ inverter is suitable for operating a wide variety of loads, including motors, lights, TVs, and other electronic equipment.
Fill in the blank(s) with the appropriate word(s).
A defective power booster can sometimes cause brakes to drag, resulting in rapid brake lining wear. How would you verify this?
What will be an ideal response?
What type of fluid do most car manufacturers recommend in power steering systems?
What will be an ideal response?
Which of the following added to a soil would be likely to result in the greatest level of soil organic matter after several years of decomposition?
A) the compost produced by composting 5 Mg of plant leaf material B) the manure produced by feeding cattle 5 Mg carbon in plant residues C) 5 Mg of carbon in plant roots D) 5 Mg of carbon in plant tops