An autotransformer differs from most transformers in that:
A) it does not isolate the primary voltage from the secondary voltage.
B) primary and secondary windings are the same.
C) source current flows through both the windings.
D) all of these.
D
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Many northern states passed personal liberty laws in response to the Compromise of 1850's provision regarding
A. legally authorizing slavery in the District of Columbia. B. expansion of slavery in the territories. C. restrictions on free blacks. D. the interstate slave trade. E. the facilitation of the return of runaway slaves to slaveowners.
Four pieces of steel angle, each 5 1/3” long, are welded to a piece of flat bar. What is the total length of steel angle needed, in inches? Disregard waste per cut.
What will be an ideal response?
Answer the following statements true (T) or false (F)
1) The elements required to start and sustain a fire in the flaming mode are heat, an oxidizing agent, a reducing agent, and a chemical chain reaction. 2) Fire is an exothermic chemical reaction. 3) By-products of combustion are ash and steam. 4) A red, blue, yellow, and white diamond is used to identify hazards present when a substance burns. 5) Heat always travels from a lower temperature to a higher one.
Amy has 52 trays containing an average of 680 plants each. She transplanted one-third in four-packs that were placed in a 10- by 20-inch tray. She transplanted one-half of the remainder in 4-inch pots and the remainder in 6-inch round pots.
a. How many trays of four-packs were transplanted? b. How many plants were transplanted in 4-inch pots? c. How many plants were transplanted in 6-inch round pots? d. How many square feet of bench space were used?