When lightning is seen or thunder is heard, a crane operator should wait until there are no further signs of lightning for at least _____.
a. 10 minutes
b. 20 minutes
c. 30 minutes
d. 1 hour
c. 30 minutes
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List 10 general pieces of information a repair order often contains.
What will be an ideal response?
____________________ are planted after crops are harvested and then turned under before the next crop is planted to provide organic material for the new plants
Fill in the blank(s) with correct word
Woodrow Wilson's New Freedom program in the election of 1912 included the
A. banking reform. B. tariff reductions. C. fragmentation of big industrial combines through vigorous enforcement of antitrust laws. D. promotion of small business and entrepreneurship. E. All of these choices are correct.
A 10-hp, 230-V, 60 Hz, three-phase, Y-connected synchronous motor delivers full load at a power factor of 0.8 leading. The synchronous reactance is 6 ? , the rotational loss is 230 W, and the field loss is 50 W. Find
Find: a) The armature current. b) The motor efficiency. c) The power angle. Assumptions: Neglect the stator winding resistance.