In cranes with electric motor-operated functions, what extra power-flow components are often required that are not needed in hydraulic and engine-powered systems?
a. Reduction gears
b. Electric filters
c. Tachometers
d. Regenerative brakes
a. Reduction gears
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Members of the nightshade family contain compounds called ____________________, which can be toxic if consumed in high quantities
Fill in the blank(s) with correct word
Which of the following is a combination of a sliding stop and a spin?
a. circle c. halt b. rollback d. all answers
In a regenerative braking system, which part of the electric motor is being controlled by the computer?
A) The rotor B) The stator C) Both the rotor and the stator D) Neither the rotor nor the stator
Answer the following statement(s) true (T) or false (F)
1. Period and frequency mean the same thing. 2. A useful variable of traffic information is density—how many cars occupy a stretch of a highway. 3. Volume flow rate measurements are necessary to determine the amount of water or natural gas being used by us in our homes during a specific period of time. 4. A car traveling at constant speed as it rounds a curve is not accelerating.