List of top Aeronautical and Aerospace Engineering Questions

What is the center pressure if the lift coefficient and lift curve slope of an aerofoil of percentage camber 0.6 are 1.02 and 2, respectively?
AB = 40 cm while BC = 30 cm. Areas A and C are equal to 8 \( \text{cm}^2 \) while areas B and D are 6 \( \text{cm}^2 \). The given section is subject to \( M_x = 100 \text{kNm} \) and \( M_y = 40 \text{kNm} \). Find an expression for the bending stress. Assume that the webs are ineffective in bending.
The Shear stresses in the fiber and matrix are 200GPa and 20GPa respectively. If the fiber volume fraction is 70%, then the longitudinal compressive strength of the lamina is
The stress due to suddenly applied load is _______ compared to that of the gradually applied load?
The function \( y = A \left(1 - \cos\left(\frac{2\pi x}{L}\right)\right) \) is an allowed approximate function for a
Which of the following is usually measured as the angle between the line of 25% chord and a perpendicular to the root chord?
The semi-span of a rectangular wing of plan form area 8.4 m² is 3.5 m. The aspect ratio of the wing is
In a turbojet engine, thrust specific fuel consumption ________ with increasing compressor pressure ratio and __________ with increasing turbine inlet temperature (within range of operation).
Which type of grids is the best for flow over an airfoil?
For isentropic flows the value of work-done factor for a turbo machine (\(\Psi\)) will be
The laminar flame speed in a combustion chamber of a jet engine is
Which of these analyses needs a stretched grid?
Which one of the following is not an example of an adapted nozzle?
Numerical panel methods are applicable for
Characteristic velocity of a rocket engine is equal to
Specific impulse of a rocket
Pressure gradient in the flow direction
The concept of erosive burning in solid rocket propellant operation pertains to
If there is no change in static enthalpy and static pressure across a rotor, then the turbo-machine is called
Ram efficiency is defined as
The combustion in a gas turbine is a
For a given rotational speed of a rotor of an axial flow compressor, as the fan tip radius increases, the centrifugal stress on the fan blade
For which of these applications is the turbo shaft engine most suited?
The critical mass flow rate through a converging-diverging nozzle
In the subcritical operation mode of a supersonic inlet, shock strands