PROBLEM 2.6
A 60-m-long steel wire is subjected to a 6-kN tensile load. Knowing that E = 200 GPa and that the length of the rod increases by 48 mm, determine (a) the smallest diameter that can be selected for the wire, (b) the corresponding normal stress.
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The phasor rotation of a negative harmonic causes an induction motor to produce ____.
A. positive feedback B. a high magnetic field C. less torque D. more torque
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For maximum efficiency, the duct system should be located within the building's:
A) interior walls B) insulation envelope C) mechanical room D) basement
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Name four basic methods for mounting motors.
What will be an ideal response?
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