Exercise 14-24what does the circuit of figure 14-18 accomplished when the manual shutoff valve V1 is opened? Exercise 14-25: consider the circuit of figure 14-19 a.) what happens to the cylinder when valve V4 is depressed? b.) What happens to the cylinder when valve V5 is depressed? Exercise 14-26: For the circuit of figure 14-20, what happens to the cylinders in each case? a.) Valve V1 is actuated and held. b.) Valve v1 is released and valve V2 is actuated and held. Valves V3 and V4 are sequence valves. Exercise 15-10: What happens to cylinders 1 and 2 of figure 15-20 when switch 1-SW is closed? What happens when 1-SW is opened? Exercise 15-11: for the system of figure15-21, what happens to the two cylinders in each case? a.) push button 1-PB is momentarily depressed. b.) Push button 2-PB is momentarily pressed. Exercise 15-15: what happens to cylinder 1 and 2 of figure 15-24 in each case? a.) 1-Pb is momentarily depressed. b.) 2-PB is momentarily depressed.