Fctc Test Prep Study Guide Questions And Correct Answers

What is the mechanical advantage of a rope and pulley system if it does not dissipate or store energy? {Ans: the number of parts of the rope that act on the load}How do levers work? {Ans: amplifies an input force to provide a greater output force, which is said to provide leverage}What is the mechanical advantage of a Class 1 lever? {Ans: It may be greater than or less than 1}what is a pulley? {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? {Ans: lift loads apply forces trasmit power}What does a belt and pulley system allow for? {Ans: mechanical power, torque, and speed to be transmitted across axles}Basic water head calculation: {Ans: Measure the height of the water above the desire measuring point in inches or feet. Divide the depth in inches by 27.21 inches/psi or the depth in feet by 2.31 feet/psi which are the english unit conversion factors Result is water head pressure expressed in PSI}What is usually the drive element of a pulley? {Ans: rope, cable, belt or