Question Bank: Important Questions

Chapter 14

HYDRAULIC TURBINES

I. Answer the following:

1. With the help of a neat sketch, explain the working principle of Pelton wheel.

2. Explain the constructional features and working of a Francis turbine.

3. Sketch and explain the working of a low head reaction turbine.

II. Answer the following in one or two sentences:

1. Define the terms: Hydraulic prime mover, Axial flow turbine, Tangential flow turbine, Impulse turbine and Reaction turbine.

2. List any two difference between Francis turbine and Kaplan turbine.

3.How do you classify hydraulic turbines according to the type of energy at inlet? 4. How do you classify hydraulic turbines according to the head at the inlet?