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Exam (elaborations)

FCTC WRITTEN EXAM (FCTC TEST PREP) – QUESTIONS AND ANSWERS

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FCTC WRITTEN EXAM (FCTC TEST PREP) – QUESTIONS AND ANSWERS

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Uploaded on
March 19, 2024
Number of pages
3
Written in
2023/2024
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Questions & answers

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FCTC WRITTEN EXAM (FCTC TEST PREP) – QUESTIONS AND ANSWERS A belt and pulley system is characterized by Correct Ans - two or more
pulleys in common to a belt.
What does a belt and pulley system allow for? Correct Ans - mechanical power, torque, and speed to be transmitted across axles
How is mechanical advantage realized? Correct Ans - if the pulleys are different diameters
what is a pulley? Correct Ans - a wheel on an axle or shaft that is designed to support movement and change of direction of a cable or belt along
its circumference
Why are pulleys used? Correct Ans - lift loads apply forces trasmit power
What is usually the drive element of a pulley? Correct Ans - rope, cable, belt or chain that runs over the pulley inside the groove
Pulleys are assembled to form what Correct Ans - a block and tackle in order to provide mechanical advantage to apply large forces
rope and pulley systems (block and tackle) are characterized by what? Correct Ans - the use of a single continuous rope to transmit a tension force around one or more pulleys to lift or move a load the rope may be a light line or a strong cable
What is the mechanical advantage of a rope and pulley system if it does not dissipate or store energy? Correct Ans - the number of parts of the rope that act on the load
What is a lever? Correct Ans - a machine consisting of a beam or rigid rod pivoted at a fixed hinge or fulcrum

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