Tuesday, January 31, 2023

Dr. A.P.J. Abdul Kalam University BE IV SEM (ME) Machine Design-I [ME228T] June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Bachelor of Engineering

Fourth Semester Main Examination, June-2021

Machine Design-I [ME228T]

Branch : ME

Time: 3:00 Hrs Max Marks 70

Note: 1. Attempt any five questions. All question carry equal marks.

2. Answer should be precise & to be point only.

3. Assume suitable data if necessary & state them clearly.

Q.1 (a) State the cause of stress concentration in brief.

(b) Write and explain the general consideration in Machine Design.

Q.2 (a) Explain Overberg Equation.

(b) Explain Goodman and Modified Good man’s diagram.

Q.3 (a) What do you understand by stress concentration?

(b) Explain S-N Curve

Q.4 (a) Write Reynolds Equation for journal Bearing. State its significance

(b) State brief about selection of ball and roller bearing

Q.5 (a) State about various types of springs.

(b) Define spring Buckling.

Q.6 (a) Explain briefly about boundary lubrication in Journal Bearing.

(b) Explain about static and dynamic load capacities?

Q.7 (a) Define spring. Its types and objectives.

(b) What are the various permanent and detachable fastenings? Give a

complete list with different types of each category.

Q.8 Define the terms:-

(i) Notch Sensitivity (ii) cyclic loading

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