Please help ASAP Ronny wants to produce a metal sheet through which a shaft can pass. Which process will he use?

A) grinding
B) reaming
C) turning
D) milling
E) chipping

What precautions should you take to prevent injuries when dealing with heavy loads?

The higher the astm grain-size number, the coarser the grain is. a)-true b)-false

Assuming compressible flow of air and that the measurements are done at flagstaff a pitot static tube that gives the difference of total and static pressure measures 0.35 m of mercury. what is the velocity of air? assume the temperature to be 300k. (submit your excel or matlab calculation sheet)