Q. The stagnation pressures at the inlet and exit of a subsonic intake are 100 kPa and 98 kPa, respectively. The pressure recovery of this intake will be  Ans: 0.50 to 0.50

Q. For a damped single degree of freedom system with damping ratio of 0.1, ratio of two successive peak amplitudes of free vibration is  Ans: 1.75 to 1.95

Q. The theoretical maximum velocity (in m/s) of air expanding from a reservoir at 700 K is (accurate to two decimal places). Specific heat of air at constant pressure is 1005 J/(kg-K). Ans: 1185.00 to 1186.50

Q. In an ideal gas turbine cycle, the expansion in a turbine is represented by  (A) an isenthalpic process.                (B) an isentropic process. (C) an isobaric process.                     (D) an isochoric process. Ans: an isentropic process.

Q. The first law of thermodynamics is also known as conservation of (A) mass. (B) momentum. (C) energy. (D) species. Ans: energy

Q. Determine the correctness or otherwise of the following statements, and : A closed-section box beam configuration is used in aircraft wings. Closed-section box beam configuration is capable of resisting torsional loads.  (A) Both and are true and is the correct reason for . ...

Q. The highest limit load factor experienced by a civil transport aircraft is in the range              (A) 0.0 – 2.0         (B) 2.0 – 5.0               (C) 5.0 – 8.0               (D) 8.0 – 10.0 Ans: 2.0 – 5.0

Q. A shock wave is moving into still air in a shock tube. Which one of the following happens to the air? (A) static temperature increases, total temperature remains constant. (B) static temperature increases, total temperature increases. (C) static temperature increases, total temperature ...

Q. A thermocouple, mounted flush in an insulated flat surface in a supersonic laminar flow of air measures the  (A) static temperature.  (B) temperature greater than static but less than total temperature.  (C) total temperature. (D) temperature greater than total temperature. Ans: ...

Q. In a low-speed wind tunnel, the angular location(s) from the front stagnation point on a circular cylinder where the static pressure equals the free-stream static pressure, is              (A) ± ...

Q. The pitching moment of a positively cambered NACA airfoil about its leading edge at zero- lift angle of attack is (A) negative. (B) positive. (C) indeterminate. (D) zero. Ans: negative

Q. In an elliptic orbit around any planet, the location at which a spacecraft has the maximum angular velocity is              (A) ...