A modifier symbol is enclosed with a:
A. square
B. circle
C. rectangle
D. triangle
Answer: B
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In 1760, fearful of heavy concentrations of resentful slaves, which colonial legislature unsuccessfully sought to pass legislation that would halt the further importation of slaves?
A. South Carolina B. North Carolina C. Georgia D. Virginia E. Maryland
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When steel is rolled while it is cold, it _____.
a. gets softer b. is annealed c. gains tensile strength d. gets thicker
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The hysteresis loss in a transformer is ________
A) caused by current flowing in the core B) caused by the resistance of the wire C) another name for flux leakage loss D) caused by rapid reversal of the magnetic field
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Explain where air-entrained concrete is required.
What will be an ideal response?
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