Monday, February 13, 2023

Dr. A.P.J. Abdul Kalam University MTECH II SEM (MTSE) Experimental Stress Analysis [MTSE204] June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Technology

Second Semester Examination, June-2021

Experimental Stress Analysis [MTSE204]

Time: 3:00 Hrs. Max Marks 70

Note: Attempt any five questions. All questions carry equal marks.

Q.1 (a) Explain how you would make circular polariscope identity all its

components and derive an expression for the intensity of light wave in

the dark field arrangement?

(b) Discuss the Griffith orowan Irwin concept in detail?

Q.2 (a) Discuss mechanical strain gauge in detail. What is the advantage of

mechanical strain gauge over all other stain gauge?

(b) Explain the moiréfringe pattern that result formation of two

relative rotation of two grids?

Q.3 (a) Discuss the strain gauge location for various measured quantities.

(b) Discuss the requirement of strain sensitive material?

Q.4 (a) Explain the advantage of semiconductor strain gauge?

(b) Explain and classify the polarization of light?

Q.5 (a) Discuss the different condition for crack growth?

(b) Discuss the integral variation principle in crack theory?

Q.6 (a) Discuss the calculation of the stress intensity factor for double

cantilever beam specimens by finite element method?

(b) Write notes on temperature compensation of circuitry?

Q.7 (a) Explain the shell with a crack trajectory?

(b) Write short note on calculation of stress intensity factor by FEM?

Q.8 Discuss stress analysis by photo elasticity?

(a) Explain in detail optical relationship?

(b) Explain material characteristics used for evaluation of cracks

propagation resistance?

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