204 : ENGINEERING MECHANICS II

      
PAPER:100 MARKS                                                                         TW:25 MARKS
Lect:4 hrs
Lab :2 hrs

INTRODUCTION: Dynamic kinematics and kinetics.Types of plane motion their inter �relation.

1)  Rectilinear motion:
Concept  of Trajector displacement,speed velocity and                       acceleration-Addition &substraction of velocity as a vector. Combined motion and resultant motion.Velocity time diagram and its application.Basic equation of motion and simple problems.

2) Motion under gravity
:Along straight trajectory and parabolic path.Projectile in motion,Range time and flight etc.Simple problems.

3) Rotation motion:Angular motion,angular displacement angular velocity,relation between angular motion and rectilinear motion . Radial and tangential acceleration their relation.

4) KINETICS: Basic law of motion, relation between force mass acceleration . Motion along rough planes . Tension in ropes and strings.Momentum and conservation of momentum .

5) CIRCULAR MOTION
: Centripetal acceleration , centripetal and centrifugal force , super elevation condition for overturning and skidding .

6) WORK,POWER AND ENERGY
: Concept of work due to a tangential force and an inclined force , graphical representation of work and indicator diagram. Constant force and varying  force. Unit of work , power its unit. I.H.P. , B.H.P. .  Potential  energy , Kinetic energy , Conservation of energy .

7) POWER TRANSMISSION & MODES OF TRANSMISSION : Individual drive and group drive . Transmission number and speed ratio . Belt and pulley drive. Driver follower and idler. Cross and open belt transmission . Gear transmission , various types of gear used . Gear train . Addendum and dededum circles .Spur gears Design.

8) LIFTING MACHINE : Machine  , mechanism , mechanical advantage , velocity ratio and mechanical efficiency of machine. Frictional losses . Condition for irreversibility, Law of machine, Maximum M.A .and maximum efficiency. Various types of lifting machine and their V.R.

BOOKS RECOMMENDED :
1. Applied  Mechanics                                             By DADHE.
2. Applied Mechanics                                              By JUNNARKAR.
3. Applied Mechanics                                              By R.S.KHURMI.
I sem.    F Y    D E E
II sem.    F Y    D E E
>1.Applied Maths. - II
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2.Applied Physics - II
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3.Applied Chemistry-II
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3.Workshop Practice-II
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4.Engg. Mechanics - II
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5.Electrical Circuit - I
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6.Engg. Drawing - II
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II sem.    S Y    D E E
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II sem.    T Y    D E E
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