Step 1: Understanding the Concept:
Centrifugal pumps convert energy forms.
The casing plays a key role in this conversion.
Step 2: Key Formula or Approach:
No specific formula.
Need to understand centrifugal pump operation.
Step 3: Detailed Explanation:
In a centrifugal pump:
- The impeller imparts kinetic energy to the water.
- The casing converts kinetic energy to pressure energy.
Thus, the energy is converted from kinetic to pressure.
Step 4: Final Answer:
The energy is converted from kinetic to pressure.
Hence, the correct option is (B).