An aircraft with a turboprop engine produces a thrust of 500 N and flies at 100 m/s. If the
propeller efficiency is 0.5, the shaft power produced by the engine is
(A) 50 kW (B) 100 kW
(C) 125 kW (D) 500 kW
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2018 Q.33)**
**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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