a 7/16 screwdriver with a 4 inch diameter handle is used to install a ¼ 20 UNC bolt into a robotic arm. Determine the circumference where the effort is applied. where do I even start on this

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

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

Water at 70°f and streams enter the mixing chamber at the same mass flow rate, determine the temperature and the quality of the exiting stream. 0 psia is heated in a chamber by mixing it with saturated water vapor at 20 psia. if both streams enters the mixing chamber at the same mass flow rate, determine the temperature and the quality of the existing system.