The relative velocity of air leaving a straight radial impeller of a centrifugal compressor is
100 m/s. If the impeller tip speed is 200 m/s, for a slip free operation, the absolute velocity
(in m/s) at the impeller exit is _________ (accurate to one decimal place).
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2018 Q.54)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Structural Mechanics** under *Aerospace Structures* (2 Marks, NAT).
**2. Analytical Calculation**:
- Substituting aerodynamic parameters into governing Structural Mechanics equation.
**3. Final Answer**:
Acceptable official numerical value is **0.0**.
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