GATE_AE_2027_MOCK_03_Q59
GATE 2027 Aerospace Engineering All-India Master Mock 03 (Flight Dynamics, Controls & Space Trajectories)
MCQ · 2 Marks
Propulsion • Compressors and Turbines • Axial Flow Gas Turbines & Blade Cooling
In an axial flow turbine stage, when the degree of reaction R is zero, the stage is classified as:
(A) Pure impulse stage
(B) 50% reaction stage
(C) Hero's reaction turbine
(D) Radial inflow turbine
Answer Key:
A
Step-by-Step Verified Solution
### Solution: R = 0 means zero static pressure/enthalpy drop occurs across the rotor, which defines a pure impulse turbine stage. Correct: A.