Question 1 5 pts A gear pump has a 80-mm outside diameter, a 55-mm inside diameter, and a 25-mm width. If the actual pump flow rate at 2300 rpm and rated pressure is 140 LPM, calculate the Displacement Volume, VD (m) 66.3 x 10-6 m 56.3 x 10-6 m 70.9 x 10-6 m O 66.9x 107 m O 97.1 x 10-7 m > Question 2 5 pts Oil with a specific gravity of 0.85 is stored in a 6 ft tall barrel. Calculate the Specific Weight, Y (lb/ft) 45.61 lb/ft 62.4 lb/ft 53.04 lb/ft 54.07 lb/ft Question 3 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? SOLA OIL IN 1-LS POWER LINE START STOP ENCH (NO) 1-LS (NC) 1-CR 1-CR 1-CR SOLA O 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 Question 4 Calculate the required size of a receiver that must supply air to a pneumatic system consuming 30 scfm for 15 min between 140 psi and 110 psi before the compressor resumes operation. 356 ft 301 ft3 O 221 ft3 231 ft 210 ft 5 pts 5 pts