Hydraulic Machines Online Test – Multiple Choice Questions and Answers Posted on April 16, 2024April 16, 2024 by engineerLeave a comment 1. The depth of the bucket for a Pelton wheel is generally __________ the diameter of jet equal to 1.8 times double 1.2 times 2. Which of the following statement is wrong ? The angle of taper on draft tube is less than 8° The reaction turbines are used for low head and high discharge An impulse turbine is generally fitted slightly above the tail race A Francis turbine is an impulse turbine 3. Head developed by a centrifugal pump is proportional to diameter of impeller proportional to diameter and speed of impeller proportional to speed of impeller none of the above 4. The Furneyron turbine is __________ reaction turbine an outward flow an inward flow an axial flow a mixed flow 5. The Thomson’s turbine is __________ reaction turbine an axial flow an outward flow an inward flow a mixed flow 6. The specific speed of a hydraulic turbine depends upon speed, power developed and head of water discharge and power developed speed and power developed speed and head of water 7. A double overhung Pelton wheel has four runners two runners four jets two jets 8. Which of the following is not an impulse turbine? Girad turbine Turgo turbine Pelton wheel Kaplan turbine 9. An impulse turbine is used for low head of water high discharge high head of water medium head of water 10. Which of the following hydraulic unit is used for transmitting increased or decreased torque to the driven shaft? Hydraulic torque converter Hydraulic accumulator Hydraulic ram Hydraulic intensifier Loading … Question 1 of 10
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