Equipment II

1. __________ is a condition in which inlet air hits the fan blades at an angle resulting in non-uniform pressure.

• Fouling
• Stall
• Degradation
• Pitching

2. Both AC and DC motors can be reversed.

• True
• False

3. A __________ pump is an example of a positive displacement pump.

• axial
• centrifugal
• mixed flow
• diaphragm