### ME6503 DME 2marks-16marks

Anna University Regulation 2013 Mechanical Engineering (MECH) ME6503 DMM 2marks & 16marks for all 5 units are provided below. Download link for MECH 5th SEM ME6503 DESIGN OF MACHINE ELEMENTS Short answers, Question Bank are listed down for students to make perfect utilization and score maximum marks with our study materials.

ME6503 DESIGN OF MACHINE ELEMENTS QUESTION BANK

UNIT-I 2-marks

STEADY STRESSES AND VARIABLE STRESSES IN MACHINE MEMBERS

- An unknown weights falls through 10mm onto a collar which is rigidly attached to the lower end of a vertical bar 3m long and 600 mm2 cross section. The maximum instantaneous extension is 2mm. What is the corresponding stress and the value of the weight? Take

E = 200 kN/mm2. [AU, N/D 2014] - A cast iron pulley transmits 10 kW at 400 rpm. The diameter of the pulley is 1.2 m and it has four straight arms of elliptical cross-section, in which the major axis is twice the minor axis. Determine the dimensions of the arm if the allowable bending stress is 15 MPa.[AU, N/D 2011]
- A bolt is subjected to a tensile load of 25 kN and to a shear load of 10 kN. Suggest a suitable size of a bolt according to various theories of failure. Take allowable yield stress is 300 N/mm2, Poisson’s ratio is 0.25. [AU, N/D 2010]
- A cast-iron link, as shown in figure, is to carry a load of 20 kN. If the tensile and compressive stresses in the link are not to exceed 25 MPa and 80 MPa respectively, obtain the dimensions of the cross-section of the link at the middle of its length. [AU, N/D 2013]

ME6503 DMM Unit 1 2marks & 16marks – Download Here

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