List of practice Questions

The ratio of modulus of rigidity to bulk modulus for a Poisson's ratio of 0.25 would be:
The stress due to suddenly applied load is _______ compared to that of the gradually applied load?
In a short column with eccentric loading, the neutral axis:
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:
The deflection of the free end of a cantilever beam subjected to a concentrated load at its mid span is given by:
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
A closely coiled helical spring has a stiffness of 8N/mm. If it extends by 5 mm, the energy absorbed is
Modified Tsai-Hill theory
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
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 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 statements is NOT true of a 1-D problem represented using 2-node line elements as indicated?
Which of the following assumptions / statements is NOT true about the Euler-Bernoulli beam theory?
The shape functions indicated here are for a
Axisymmetric problems involving axisymmetric loading and solids of revolution can be conveniently formulated with the following element type.
Which of the following statements is true about Finite Element Analysis (FEA)?
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
The shear centre position of a thin-walled symmetrical channel section will lie
Shear flow has the same units as
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 physical principle used for the derivation of momentum equation is
The lifting flow over circular cylinder is obtained by the combination of
Which of the following is usually measured as the angle between the line of 25% chord and a perpendicular to the root chord?
Winglets are used to reduce
When a nozzle is said to be over expanded?