When would working with machinery be a common type of caught-in and caught-between hazard?

select the best option.

when working with heavy pieces.

when working with unguarded moving parts.

when working at night.

when there is no ppe available for this hazard.

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

The filament of an incandescent lamp has a temperature of 2000k. calculate the fraction of radiation emitted in the visible light band if the filament is approximated as blackbody

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)