FCTC TEST PREP QUESTIONS & ANSWERS 100% CORRECT

A belt and pulley system is characterized by - ANSWER-two or more pulleys in common to a belt. What does a belt and pulley system allow for? - ANSWER-mechanical power, torque, and speed to be transmitted across axles How is mechanical advantage realized? - ANSWER-if the pulleys are different diameters what is a pulley? - ANSWER-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? - ANSWER-lift loads apply forces trasmit power What is usually the drive element of a pulley? - ANSWER-rope, cable, belt or chain that runs over the pulley inside the groove Pulleys are assembled to form what - ANSWER-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? - ANSWER-the use of a single continuous rope to transmit a tension force around one or more pulleys to lift or move a load