KERALA UNIVERSITY Class 6 dynamics of machinery Question Paper 2021

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Sample Questions

Four masses $A, B, C$ and $D$ are completely balanced. Masses $C$ and $D$ make angles of $90^{\circ}$ and $195^{\circ}$ respectively with that of mass $B$ is the counter-clockwise direction. The rotating masses have the following properties : $$ \be...
Four masses $A, B, C$ and $D$ are completely balanced. Masses $C$ and $D$ make angles of $90^{\circ}$ and $195^{\circ}$ respectively with that of mass $B$ is the counter-clockwise direction. The rotating masses have the following properties : $$ \be...
What is meant by static and dynamic unbalance in machinery? How can the balancing be done?
Distinguish between longitudinal, transverse and torsional vibrations.
A 4-wheeled trolley car has a total mass of 3000 kg . Each axle with its two wheels and gears has a total moment of inertia of $32 \mathrm{~kg} . \mathrm{m}^{2}$. Each wheel is of 450 mm radius. The centre distance between two wheels on an axle is 1....