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Applied Mechanics AM 3rd Sem/Common/Dec 2018 Diploma Paper

Download Previous Year Diploma Paper of Applied Mechanics AM 3rd Sem/Civil/ME/Automobile Dec 2018 Paper

Applied Mechanics 3rd Sem/Civil/ME/Automobile Dec 2018 Diploma Question Paper

                                    SECTION-A

Q1. a) Fill in the Blanks.                                             15×1=15    

 a. Weight is a _____________ quantity.
 b. The forces passing through the same point are called __________ force.
 c. The angle of friction is always _________ than 90 degree.
 d. The ___________ effect of the force is called moment.
 e. The efficiency of a screw jack may be increased by _________ its pitch.
 f. C.G. is a term used for the bodies having _______ Only.
 g. Axis passing through the centroid of the plane lamina is called ___________ axis.
 h. Rolling friction is always __________ than sliding friction.
  i. In an ideal machine, velocity ratio = ___________________
  j. Coefficient of friction is = _________ / _____________
  k. The unit of moment in SI system is __________________
  l. A couple cannot be replaced by a __________ Force.
 m. A machine is said to be irreversible if its efficiency is __________ than 50%.
  n. One kilogram force is equal to _______________ N
  o. Efficiency ___________ as the load decreases.

                                  SECTION-B

Q2. Attempt any five questions.                                                                    5×6=30  
  i. Differentiate between coplanar and non coplanar forces.
 ii. What is a couple? State characteristics of couple.
iii. Differentiate between centroid and C.G.
iv. Define parallelogram law of forces and it’s uses.
 v. Define the following:
      a. Coefficient of friction
      b. Limiting force of friction
vi. Explain the difference between reversible machine and self locking machine.
vii. Why does a gun recoil when a bullet is fired?
viii. Explain law of superposition?

                                   SECTION-C

Q3. Attempt any three questions.                                                      3×10=30

 

  1. Find the magnitude and direction of the resultant of the following force
    1. 30 N due
    2. 35 N due north-west.
  • 15 N due
  1. 16 N due 450 west of south
  2. 32 N due 750 North
  1. An electric light fixture weighing 50N hangs from a point c, by two strings AC and BC. The string Ac is inclined at 600 to horizontal and BC at 450 to the vertical. Determine the forces in string AC and
  2. What do you mean by force? Explain Force
  3. Derive an equation for equilibrium of a body lying on a rough inclined plane when the motion is in downward direction and force is acting parallel to the

Applied Mechanics 3rd Sem/Civil/ME/Automobile Dec 2018 Diploma Solved Question Paper

                                    SECTION-A

Q1. a) Fill in the Blanks.                                             15×1=15    

 a. Weight is a _____________ quantity.
 b. The forces passing through the same point are called __________ force.
 c. The angle of friction is always _________ than 90 degree.
 d. The ___________ effect of the force is called moment.
 e. The efficiency of a screw jack may be increased by _________ its pitch.
 f. C.G. is a term used for the bodies having _______ Only.
 g. Axis passing through the centroid of the plane lamina is called ___________ axis.
 h. Rolling friction is always __________ than sliding friction.
  i. In an ideal machine, velocity ratio = ___________________
  j. Coefficient of friction is = _________ / _____________
  k. The unit of moment in SI system is __________________
  l. A couple cannot be replaced by a __________ Force.
 m. A machine is said to be irreversible if its efficiency is __________ than 50%.
  n. One kilogram force is equal to _______________ N
  o. Efficiency ___________ as the load decreases.

Comparison between center of gravity and centroid.

Concept of rigid body and free body diagram.

Triangle Law of forces and Lami`s theorem.

Where the C.G. does lies of sphere, circular cone, and right circular cylinder

Define moment center and moment arm and moment of a couple

Related Post

Friction. Give merits and demerits of friction.

Relation between efficiency, mechanical advantage and velocity ratio of a machine.

Applied Mechanics 3rd Sem/Civil/Dec 2018 Diploma Solved Paper Click Here

applied Mechanics 3rd Sem/Civil /dec 2018 Diploma Solved Question Paper

Angle between two forces of magnitude Numerical.

Methods of reducing friction.

 Input of machine

Efficiency of machine

Applied Mechanics 3rd Sem/Civil/Dec 2018 Diploma Solved Question Paper Contact Us
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