Which of the following fluid power systems is portable and human-scale? O a fluid-powered robot
a fluid-powered engine
a fluid-powered drill
a fluid-powered construction vehicle

Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.

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

Wiy doeres rere okhn a pump whon working betwon the same pressure range?