Give an example of a First, Second, and Third class lever
What will be an ideal response?
Seesaw, wheelbarrow, and man's arm.
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As a vehicle is lifted with a floor jack, the jack and vehicle will roll under the load.
Answer the following statement true (T) or false (F)
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_________________________ rods are used to absorb axle and road shock twisting.
A. Flex B. Absorber C. Shock D. Torque
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The advantages of tight shut-off and low head-loss apply to
a. gate valves b. check valves c. magnetic flow meters d. butterfly valves e. venturi meters
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Which of the following is a benefit derived from using a pulsewidth-modulated (PWM) variable frequency
drive (VFD) versus an analog SCR VFD? a. Controlled starting b. Reduced problems with harmonics c. Adjustable torque limiting d. Adjustable operating speed
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