General Studies · Fluid Machinery
In centrifugal pumps, the theoretical effect of the blade exit angle (β) on the ideal head versus discharge characteristics shows different trends. Match the curves with their correct blade types: Curve A: Head increases with discharge Curve B: Head remains constant with discharge Curve C: Head decreases with discharge
- 1A - Radial blades, B - Forward curved blades and C - Backward curved blades
- 2A - Forward curved blades, B - Radial blades, C - Backward curved blades✓
- 3A – Forward curved blades, B- Backward curved blades and C – Radial blades
- 4A - Forward curved blades, B - Radial blades and C - Backward curved blades
Correct answer
A - Forward curved blades, B - Radial blades, C - Backward curved blades
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