### ME6505  DOM Important Questions

Anna University Regulation 2013 Mechanical Engineering (MECH) ME6505  DOM Important Questions for all 5 units are provided below. Download link for MECH 5th SEM ME6505  DYNAMICS OF MACHINES  Answer Key is listed down for students to make perfect utilization and score maximum marks with our study materials.

ME6505  DOM Important Questions

UNIT-1
DYNAMIC FORCE ANALYSIS

PART-A (2 Marks)
1. What is free body diagram?
2. Define static force analysis.
3. Differentiate between static and dynamic equilibrium.
4. Define applied and constraint forces.
5. Differentiate between static force analysis and dynamic force analysis. 6. Define inertia force.
7. Define inertia torque.
8. State D’Alembert’s principle.
9. State the principle of superposition.
10. Define piston effort.
11. Define crank effort and crank-pin effort.
12. What is meant by turning moment diagram or crank effort diagram? 13. Explain the term maximum fluctuation of energy in fly wheel.
14. Define coefficient of fluctuation of energy.
15. Define coefficient of fluctuation of speed.
17. Why flywheels are needed in forging and pressing operations?
18. What is cam dynamics?
19. Define unbalance and spring surge.
20. Define windup. What is the remedy for camshaft windup?
PART-B (16 Marks)
1. For reciprocating engine, derive the expression for
(i)Velocity and acceleration of the piston
(ii)Angular velocity and angular acceleration of the connecting rod (16)
2. In a reciprocating engine mechanism, if the crank and connecting rod are 300mm and 1m long respectively and the crank rotates at a constant speed of 200r.p.m.Determine analytically,
1. The crank angle at which the maximum velocity occurs and
2. Maximum velocity of piston.
3. Derive the relevant equations. (16)
(i)Deduce the expression for the inertia force in the reciprocating force neglecting the weight of the connecting rod. (8)

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