b) Calculate retracting speed, retracting time, travel speed ratio and travel time ratio. Characteristic data required for calculation: Piston surface area: AP = 2.0 sq. cm Piston ring surface area: APR = 1.2 sq. cm Stroke length: = 200 mm Pump delivery rate: = 2 1/min

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Problem-3: A centrifugal pump lifts water against a static head Az = EN m. The pipe setup has a constant diameter of 0.08 m, major losses in the suction side h, = EN3 m and in the discharge side hLD is 3 m. The pump impeller has a diameter of 0.15 m, exit width of 0.015 m, exit blade angle of 22° and speed of N = 20EN rpm. The hydraulic efficiency is 0.85. If the flow at the entrance is radial, find the discharge, pump head, atmospheric pressure Pat, Vapor pressure P, and maximum allowable height of the pump from the feeding tank water surface elevation if the pump is operating under T 25 °C at altitude H= 20EN m. %3D 0, = NPSHR/Hp =1.21×10³N = (P EN=62 Is-mx at-abs-P,)/Y-hLsT -0H, Pa-abs /Y = 10.33(1– 2.256x10-H)56 P,ly = e14.29-3985(T+233.4))

Discuss about features, advantages and disadvantages of hydraulic double-rod cylinders and telescoping cylinders. Compare specifications and design features. Discuss about mounting and mechanical linkage used in each system. Share technical specifications and discuss about them

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METERS | FEET MODEL: IA6BJM SIZE: 8" x 6" x 13" RPM: 1750 76+250 PRESSURE MAX: 120 PSI GRAPHIC 61+200 FØ13," (75 HP) SCALE 70% 75% 80% 82% 60 GPM Ø12%" (60 HP) 83% 84% 83% 46-150 82% 80% Ø12%" (50 HP) 75% 011%" (40 HP) 70% 65% 31+100 100 BHP Ø10%" (30 HP) NPSHr ftm 75 BHP 60 BHP 30+9 15+50 50 BHP 30 BHP 40 BHP 20+6 NPSH. 10+3 GALLONS PER MINUTE LITERS PER MINUTE Refer to the system curve drawn on this pump curve. If the pump is to move 1200 gpm, what is the expected system total dynamic head (ft)? 1136+300 2271+600 00620 4543+120아 5678+1500- 6414+1800 7949+2100- 9085+2400 * 11356+3000 10 FEET