Question

theavton the ump.if the absolute pressure of the liquid drops below the vapor pressure then cavitation will occur Answer B) False A) True A centrifugal pump delivers water against a net head of 20 meters and a design speed of 1100 rpm. is 10 m/s. he impeller diameter is 0.4 m. Determine manometric efficiency of the pump, if Co2 Intr E) 95% D) 92% A) 85% C) 90% B) 88% Answer In Calculate net head or effective head for Pelton turbine if: Gross head is 500 meters; friction factor is 0.5; velocity of a flow is 3.5 m/s; penstock diameter is 1 m's and its length is 125 m. A) 400 m B) 420.5 m E) 461 m C) 441 m D) 450 m AnswerL The 18) Calculate power available at jet of Pelton wheel if volume flow rate is 1 m'/s and exit velocity is 25 m/s. (1 m3 of water is 1000 kg) A) 15.2 kw B) 19.3 kW C) 24.2 kW D) 27.9 kW E) 31.8 kW Answer_ 19) A small-scale Kaplan turbine has a power output of 6 MW, an available head at turbine entry of 12 m, and a rotational speed of 200 rpm. Assuming the hydraulic efficiency is 90%, determine volume flow rate. A) 56.63 m'/s B) 46.69 m'/s C) 59.73 m'/s D) 62.98 m/s E) none of these Answer

Answer 1

Can) So Angwer A)