2 of 5 Review The cable is tied to the top of the ol rig, wraps around the lower pulley, then around the top pulley, and then to the motor. (Figure 1) Part A Determine the power output of the draw works motor M necessary to it the 700-lb dril pipe upward with a conatant speed of 4 ft/s Express your answer using three significant figures VO AZ vec hp Figure Submit Request Answer Next> Provide Feedback M 4n/s

4 & 5

QUESTION 1 A suitable factor of safety to apply when selecting the cable for a factory hoist is: 05 O1.2 0.2 O 25 QUESTION 2 A winch drum of diameter 199mm turning at 14rpm lifts a load of 5.5kN. What is the winch output power? Give your answer in W to 1 decimal place without units eg 102.3 NOT 102345239 W QUESTION 3 The figure below shows two proposed designs of drums to solve the same load and line speed lifting arrangement. What is the biggest advantage with design A: A The torque on the drum shaft will be lower O The rope speed will be lower The bending moment in the drum shaft will be lower O The weight of the drum material will be less 刚 B

IKT f 327 DXD 187 S 487