B.TECH - Semester 5 structural analysis 2 Question Paper 2020 (feb)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- (a) Explain static indeterminacy. Compute the static indeterminacy for the structure shown in Fig. 1. Fig.1.
- (b) Explain briefly how the effect of lack of fit and temperature changes are accounted for in the analysis of statically indeterminate structures.
- (c) Determine the prop reaction for the beam shown in Fig.2. Fig.2. P.T.O.
- (d) Determine the prop reaction at joint B of the cantilever beam shown in Fig. 3 using slope deflection method. Take flexural rigidity $=$ EI. Fig. 3
- (e) Explain dynamic amplification factor in the context of a single degree of freedom system subjected to harmonic excitation. ( $\mathbf{5} \boldsymbol{\times} \mathbf{4} \boldsymbol{=} \mathbf{2 0}$ Marks) PART - B
- A continuous beam $A B C$ with span $A B=B C=12 \mathrm{~m}$ is fixed at $A$ and supported on rollers at $B$ and $C$. It carries a uniformly distributed load of $30 \mathrm{kN} / \mathrm{m}$ on the span AB and a concentrated load of 240 kN on span BC...
- Calculate the forces in all the members of the pin jointed truss shown in Fig.4. Take axial rigidity AE same for all members. Fig.4.
- (a) State and explain Müller - Breslau principle.
- (b) Construct the influence line for the vertical reaction at A and moment at joint A of the propped cantilever shown in Fig.5. Fig.5.
- Analyse the rigid frame shown in Fig. 6 using slope deflection method and draw the BMD.
- Analyse the three span continuous beam shown in Fig. 7 using moment distribution method. Also draw the BMD. Fig.7. OR
- Analyse the portal frame shown in Fig. 8 using Kani's method. Fig. 8
- A one storey building is idealized as a rigid girder supported by weightless columns as shown in Fig. 9. In order to evaluate the dynamic properties of this structure, a free vibration test is made, in which the roof system is displaced laterally by ...
- (a) Derive the equation of motion of a single degree of freedom system subjected to base excitation.
- (b) A 100 kg machine is attached to a spring of stiffness $2 \times 10^{5} \mathrm{~N} / \mathrm{m}$ and is subjected to a harmonic force of magnitude 700 N and a frequency 10 Hz . Compute the amplitude of steady state response of the machine.