General Studies · Fluid Machinery
What distinguishes a semi-open impeller from an open impeller in a centrifugal pump?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A semi-open impeller is completely enclosed within a double casing.
- 2A semi-open impeller has a shroud plate on only one side of the vanes.✓
- 3A semi-open impeller has shrouds attached on both sides.
- 4A semi-open impeller lacks any vanes.
Correct answer
A semi-open impeller has a shroud plate on only one side of the vanes.
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