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Identify and state the historical significance of Jacob Riis.
What will be an ideal response?
Photographer who exposed the conditions of the urban poor through his documentary work.
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How do you determine directions to an unknown destination using GPS technology?
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. With variable torque loads, the torque varies as the square of the speed. 2. The electronic shear pin reacts to the amount—and rate —of current increase to the motor. 3. The half-wave rectifier circuit requires two diodes and the use of a center-tapped secondary AC transformer. 4. In a three-phase rectifier system, the DC level remains high and the ripple percentage is very low; therefore, the DC supply needs very little filtering. 5. The armature power is typically controlled by an SCR that is turned on at different points in the waveform to adjust the voltage to the motor armature to control the speed.
The most common cause of tooth loss in dogs and cats is
A. Fights with other cats and dogs B. Dietary deficiency of calcium and phosphorus C. Periodontal disease D. Diabetes E. None of the above
OSHA standards require that when using a four-leg hitch you must size each leg as if it were a three-leg hitch
A. True B. False