Previous year question paper for AM (Diploma Mechanical Engineering 3rd)

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Applied Mechanics

Previous year question paper with solutions for Applied Mechanics from 2012 to 2013

Our website provides solved previous year question paper for Applied Mechanics from 2012 to 2013. Doing preparation from the previous year question paper helps you to get good marks in exams. From our AM question paper bank, students can download solved previous year question paper. The solutions to these previous year question paper are very easy to understand.

1. Introduction (08hrs)

1.1 Concept of engineering mechanics (Applied Mechanics), definition of

mechanics, statics, dynamics, application of engineering mechanics in

practical fields.

1.2 Definition of mass and weight basic quantities and derived Quantities of basic

units and derived units

1.3 Concept of rigid body, scalar and vector quantities

2. Laws of forces (12hrs)

2.1 Definition of force, measurement of force in SI units, its representation,

types of force: Point force/concentrated force &Uniformly distributed force,

effects of force, characteristics of a force.

2.2 Different force systems (coplanar and non-coplanar), principle of

Transmissibility of forces, law of super-position

2.3 Composition and resolution of coplanar concurrent forces, resultant force,

method of composition of forces, laws of forces, triangle law of forces,

polygon law of forces - graphically, analytically, resolution of forces, resolving

a force into two rectangular components

2.4 Free body diagram

2.5 Equilibrant force and its determination

2.6 Lami's theorem (concept only)

 [Simple problems on above topics]

3. Moment (12hrs)

3.1 Concept of moment

3.2 Moment of a force and units of moment

3.3 Varigon's theorem (definition only)

3.4 Principle of moment and its applications (Levers – simple and compound,

balance steel yard, safety valve, reaction at support) 

8

3.5 Parallel forces (like and unlike parallel force), calculating their resultant

3.6 Concept of couple, its properties and effects

3.7 General conditions of equilibrium of bodies under coplanar forces

3.8 Position of resultant force by moment

 [Simple problems on the above topics]

4. Friction (12hrs)

4.1 Definition and concept of friction, types of friction, force of friction

4.2 Laws of static friction, coefficient of friction, angle of friction, angle of repose,

cone of friction

4.3 Equilibrium of a body lying on a horizontal plane, equilibrium of a body lying

on a rough inclined plane, friction in simple screw jack

4.4 Calculation of least force required to maintain equilibrium of a body on a

rough inclined plane subjected to a force:

a) Acting along the inclined plane horizontally

b) At some angle with the inclined plane

5. Centre of Gravity (08hrs)

5.1 Concept, definition of centroid of plain figures and centre of gravity of

symmetrical solid bodies

5.2 Determination of centroid of plain and composite lamina using moment

method only, centroid of bodies with removed portion

5.3 Determination of center of gravity of solid bodies - cone, cylinder, hemisphere

and sphere; composite bodies and bodies with portion removed

 [Simple problems on the above topics]

6. Simple Lifting Machines (12hrs)

6.1. Definition of effort, velocity ratio, mechanical advantage and efficiency of a

machine and their relationship, law of machines

6.2. Simple and compound machine (Examples)

6.3. Definition of ideal machine, reversible and self-locking machine

6.4. Effort lost in friction, Load lost in friction, determination of maximum

mechanical advantage and maximum efficiency

6.5. System of pulleys (first, second, third system of pulleys), determination of

velocity ratio, mechanical advantage and efficiency 

6.6. Working principle and application of inclined plane, wheel and axle, different

pulley blocks, simple screw jack, worm and worm wheel, single and double

winch crab. Expression for their velocity ratio and field of their application .

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am applied mechanics