Consider the schematic circuit shown, 1. Determine whether it is a pneumatic or hydraulic circuit? 2. What happens to the cylinder when the momentarily START button is pressed and released? SOL OIL IN 1-LS POWER LINE START STOP ENCH (NO) 1-LS (NC) 1-CR 1-CR 1-CR SOLA Hydraulic; The cylinder piston extends and retracts once Pneumatic; The cylinder piston extends and retracts continuously Hydraulic; The cylinder piston extends and retracts continuously Pneumatic; The cylinder piston extends and retracts once