Podcast
Questions and Answers
The Francis turbine does not reduce markedly in efficiency until the load reduces to around ______%.
The Francis turbine does not reduce markedly in efficiency until the load reduces to around ______%.
40
Francis runners can be used across a wide range of ______ and flow rates;
Francis runners can be used across a wide range of ______ and flow rates;
pressures
Kaplan runners consist of a series of ______ mounted onto a central hub.
Kaplan runners consist of a series of ______ mounted onto a central hub.
blades
The adjustable pitch ______ can be used to regulate the rotational speed of the runner,
The adjustable pitch ______ can be used to regulate the rotational speed of the runner,
Signup and view all the answers
Kaplan turbines utilise between three to six ______, although up to ten blades are possible.
Kaplan turbines utilise between three to six ______, although up to ten blades are possible.
Signup and view all the answers
Kaplan turbines are used for low ______ applications where a medium to high flow rate is present;
Kaplan turbines are used for low ______ applications where a medium to high flow rate is present;
Signup and view all the answers
Pelton runners have the most distinctive ______ of all hydroelectric turbines.
Pelton runners have the most distinctive ______ of all hydroelectric turbines.
Signup and view all the answers
The outer periphery of the runner contains a series of ______ connected to a circular disc.
The outer periphery of the runner contains a series of ______ connected to a circular disc.
Signup and view all the answers
A jet of water is sprayed at these ______ from a spray nozzle, and the resultant impulsive force applied to the runner causes it to rotate.
A jet of water is sprayed at these ______ from a spray nozzle, and the resultant impulsive force applied to the runner causes it to rotate.
Signup and view all the answers
Pelton turbines are used for ______ head applications where a low flow rate is present;
Pelton turbines are used for ______ head applications where a low flow rate is present;
Signup and view all the answers