You have been notified that one of your employees has been admitted to hospital with a suspected broken leg. The employee is an electrician who fell from a ladder while repairing light fittings. As the occupational health and safety expert in your organisation, describe to your Manager on how you will use the underlisted methods or models to investigate this incident: i. Fault Tree Analysis

Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.