List of top Aeronautical and Aerospace Engineering Questions

A positively cambered airfoil is placed in a uniform flow (velocity, \( U_\infty \)) at its zero-lift angle of attack. \( M \) is the corresponding pitching moment. Which one of the following representations accurately describes this scenario?
Potential function for three dimensional doublet of strength \( \mu \) is
The shear centre position of a thin-walled symmetrical channel section will lie
The physical principle used for the derivation of momentum equation is
The ratio of modulus of rigidity to bulk modulus for a Poisson's ratio of 0.25 would be:
Which of the following states that the time rate of change of circulation around a closed curve consisting of the same fluid elements is zero?
Shear flow has the same units as
A rectangular section beam subjected to a bending moment M varying along its length is required to develop the same maximum bending stress at any cross section. If the depth of the section is constant, then its width will vary as:
Which of these analyses needs a stretched grid?
Which of the following assumptions / statements is NOT true about the Euler-Bernoulli beam theory?
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.
Numerical panel methods are applicable for
In a short column with eccentric loading, the neutral axis:
If a laminate consists of pairs of layers with identical thickness and elastic properties, but with orientation of +θ and -θ with respect to the laminate reference axis, then the laminate is called as
Which type of grids is the best for flow over an airfoil?
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
Which of the following statements is NOT true of a 1-D problem represented using 2-node line elements as indicated?
If two shafts of same length, one of which is hollow, transmit equal torque and have equal maximum shear stress, then they should have equal
The shape functions indicated here are for a
Ram efficiency is defined as
Axisymmetric problems involving axisymmetric loading and solids of revolution can be conveniently formulated with the following element type.
Consider an equal-leg angle section cantilever beam subject to a vertical shearing load at the tip where the line of action of the applied vertical force passes through the centroid. This beam will experience
Which of the following statements is true about Finite Element Analysis (FEA)?
The lifting flow over circular cylinder is obtained by the combination of
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