Technician A says reducing the coefficient of friction lowers the amount of force needed to move an object. Technician B says coefficient of friction is the relationship of tensile force to weight. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
Answer: C
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What is the polarized field frequency relay responsible for?
What will be an ideal response?
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German immigrants to the United States
A. quickly became a powerful political force. B. came to escape economic hardships and autocratic government. C. were as poor as the Irish. D. contributed little to American life. E. were almost all Roman Catholics.
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The development of railroads and the telegraph was inconsequential to the development of
agribusiness.
Indicate whether the statement is true or false.
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Which term describes current flow produced in a complete circuit when a magnetic field is moved back and forth across the circuit path?
A) Electromagnetic reluctance B) Magnetic potential C) Magnetic induction D) None of these
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