An ideal glider has drag characteristics given by
0D D D i
C C C=+ , where
2
DLi
C KC=
is the induced drag coefficient,
LC is the lift coefficient, and K is a
constant. For maximum range of the glider, the ratio
0DD i
CC is
Options:
(A) 1
(B) 1
3
(C) 3
(D) 3
2
Official Answer Key:
A
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2023 Q.17)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Incompressible & Compressible Aerodynamics** under *Aerodynamics & Fluid Mechanics* (1 Mark, MCQ).
**2. Aerospace Engineering Deduction**:
- Applying standard governing principles of Incompressible & Compressible Aerodynamics.
- Option **(A)** matches the analytical derivation and official criteria.
**3. Final Answer**:
Correct Option is **(A)**.
Practice This in Real CBT Exam Interface
Test yourself with the official TCS-iON palette, virtual calculator, and immediate performance analytics.