You use your finger to tightened a 3/4 10 unc screw. what's the circumference of the effort force?

what's the ideal mechanical advantage of the screw?

the input gear has 44 teeth, the idle gear has 22 teeth, and the output gear has 10 teeth. what's the gear ratio?

if the input gear is spinning at 30 rpm, how fast is the output gear spinning?

An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0

What is the main objective of using reheat rankine cycle?

What are the major differences between injection molding and extrusion?