engineering uses data from pareto charts to analyse motor faults caused during their production. Explain one advantage of using pareto charts in this situation. (4 Marks) Please help

Fluids at rest possess no flow energy. a)- true b)- false

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.

What is the heat treatment of metals? what is the benefit of it? why and how it's useful? answer in details, do not write by hand.