is ratio of pressure energy change inside runner to total energy change inside runner

Related MCQs

• Which of these options are best suited for the total energy change inside the runner per unit weight?
• Which of the following efficiencies for Francis Turbine is described as the ratio between total quantity of water over runner blades to total quantity of water supplied to turbine?
• Which of the following efficiencies for Kaplan Turbine is described as the ratio between total quantity of water over runner blades to total quantity of water supplied to turbine?
• Number of buckets on runner of Pelton wheel is given by expression? (D-diameter of runner and d- diameter of jet)
• Water flow velocity is given 10 m/s. The runner diameter is 3 m and the width of the wheel is 25 cm. Find the mass of water (kg) flowing across the runner per second.
• Volume flow rate of water in a Francis turbine runner is 25 m3/s. The flow velocity, whirl velocity and blade velocity are 11 m/s, 10 m/s and 5 m/s respectively, all values given at runner inlet. Find the power developed by the turbine.
• The pressure at the exit of runner of reaction turbine is generally than atmospheric pressure
• The reaction turbine is one in which the available hydraulic energy is converted to kinetic energy before the fluid enters the runner
• Calculate the value of Froud’s number if the ratio of rate of change of specific energy and rate of change of depth is 0.9.
• Gauge pressure at a point is equal to the absolute pressure __________ the atmospheric pressure.