What control sequence is necessary to energize motor starter coil 1M in the example presented in this chapter?
What will be an ideal response?
(1) The power switch must be turned on.
(2) The selector switch must be set in either the auto position or the pump 1 position.(3) Contacts CR1, 2M3, and OL1 must be closed.
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It is estimated that, on average, the earth is struck by lightning 100 times per ____.
A. second B. minute C. hour D. day
Alexander Hamilton believed that a limited national debt
A. would do great harm to the nation's economy. B. might lead to military weakness. C. could persuade individuals and nations not to lend money to the United States. D. was beneficial, because people to whom the government owed money would work hard to make the nation a success. E. could help his economic plans but not his political plans.
The 6-inch scale rule contains ________ scales.
Fill in the blank(s) with the appropriate word(s).
Which of the following is considered a natural or normal roof opening?
A. Parapet B. Skylight C. Soffit D. Fire stop