In a single stage turbine, the hot gases come out of stator/ nozzle at a speed of 500
m/s and at an angle of 70 degrees with the turbine axis as shown. The design
speed of the rotor blade is 250 m/s at the mean blade radius. The rotor blade angle,
𝛽, at the leading edge is ________ degrees (round off to one decimal place).
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2022 Q.35)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Air-Breathing & Rocket Propulsion** under *Propulsion* (1 Mark, NAT).
**2. Analytical Calculation**:
- Substituting aerodynamic parameters into governing Air-Breathing & Rocket Propulsion equation.
**3. Final Answer**:
Acceptable official numerical value is **0.0**.
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