Podcast
Questions and Answers
What is the function of a fan?
What is the function of a fan?
- To purify the air
- To cool down the air
- To create flow within a fluid (correct)
- To generate electricity
Which type of fan has blades that force air to move parallel to the shaft about which the blades rotate?
Which type of fan has blades that force air to move parallel to the shaft about which the blades rotate?
- Axial-flow fan (correct)
- Cross flow fan
- Centrifugal fan
- Radial fan
What is the moving component of a centrifugal fan called?
What is the moving component of a centrifugal fan called?
- Shaft
- Blades
- Impeller (correct)
- Rotor
Which type of fan blows air at right angles to the intake of the fan?
Which type of fan blows air at right angles to the intake of the fan?
What is typically used to power most fans?
What is typically used to power most fans?
What is the purpose of the housing or case in which a fan is contained?
What is the purpose of the housing or case in which a fan is contained?
What type of fan typically produces more pressure for a given air volume?
What type of fan typically produces more pressure for a given air volume?
Which type of fan is usually long in relation to the diameter, so the flow approximately remains two-dimensional away from the ends?
Which type of fan is usually long in relation to the diameter, so the flow approximately remains two-dimensional away from the ends?
How is the stage work calculated according to Euler's Equation?
How is the stage work calculated according to Euler's Equation?
What is the stage pressure coefficient defined as?
What is the stage pressure coefficient defined as?
What does the degree of reaction for the fan stages define?
What does the degree of reaction for the fan stages define?
What is the fan efficiency defined as?
What is the fan efficiency defined as?
How is the actual power input to the stage calculated?
How is the actual power input to the stage calculated?
In terms of what are the pressure difference across the fan stages generally measured?
In terms of what are the pressure difference across the fan stages generally measured?
What is denoted as cy in the Text?
What is denoted as cy in the Text?
