## Download Previous Year Diploma Paper of Applied Mechanics AM 3rd Sem/Civil/ME/Automobile May 2017 Paper

## Applied Mechanics 3rd Sem/Civil/ME/Automobile May 2017 Diploma Question Paper

**Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â SECTION-A**

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

#### Â a. Mass is a _______ quantity.

Â b. The force which one body exerts on the second body is called ________ force.

Â c. The angle of friction is always __________ then 900.

Â d. The _________ effect of the force is called moment.

Â e. The efficiency of a screw jack may be increased by _______ Its pitch.

Â f. C.G. is a term used for the bodies having ___________ only.

Â g. Axis passing through the centroid of the plane lamina is called ___________ axis.

Â h. Sliding friction is always _________ then Rolling friction.

Â Â i. In an ideal machine, velocity ratio = _______________.

Â Â j. Coefficient of friction is = __________ /___________.

Â Â k. The unit of moment in SI system is __________________

Â Â l. A couple cannot be replaced by a _______________ force.

Â Â m. A machine is said to be irreversible if its efficiency is _____ then 50%.

Â Â n. One kilogram force is equal to ______ N

Â Â o. Efficiency _______ as the load decreases.

## Â **Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â SECTION-B**

**Q2. Attempt any five questions.Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 5×6=30**Â Â

Â a. Differentiate between center of gravity and centroid .

Â b. Explain the characteristics of a force.

Â c. Define triangle law of forces and lami`s theorem.

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

Â Â e. What do mean by moment center and moment arm and moment of a couple?

Â Â f. Define friction. Give merits and demerits of friction.

Â Â g. Establish a relation between efficiency, mechanical advantage and velocity ratio of a machine.

**Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â SECTION-C**

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

#### Â Â a. Find the magnitude and direction of the resultant of the following force system.

Â Â Â Â 1. 20 N due north.

Â Â Â 2. 12 N due north-west.

Â Â Â 3. 10 N due east.

Â Â Â 4. 8 N due 350 west of south

Â Â Â 5. 16 N due 650 North West.

Â Â b. An electric light fixture weighing 25N 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 BC.

Â Â c. What do mean by force? Explain Force system.

Â Â d. 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 horizontally.

## Applied Mechanics 3rd Sem/Civil/ME/Automobile May 2017 Diploma Solved Question Paper

** SECTION-A**

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

#### a. Mass is a _______ quantity.

b. The force which one body exerts on the second body is called ________ force.

c. The angle of friction is always __________ then 900.

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. Sliding friction is always _________ then Rolling 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 _____ then 50%.

n. One kilogram force is equal to ______ N

o. Efficiency _______ as the load decreases.

Differentiate between center of gravity and centroid .

Characteristics of a force.

Triangle law of forces and lami`s theorem.

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

Moment center and moment arm and moment of a couple

Friction its merits and demerits of friction.

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

##### Applied Mechanics 3rd Sem/Civil/May 2017 DiplomaÂ Solved Paper Click Here

Find the magnitude and direction of the resultant Numerical

A String Problems

Force and Force system.

Derive an equation for equilibrium of a bodyÂ

Efficiency of machine

###### Applied Mechanics 3rd Sem/Civil/May 2017 Diploma Solved QuestionÂ Paper **Contact Us**

##### MY YOUTUBE CHANNEL

JK Smart Classes Upload Lecture for Degree classes like B.TECH,M.TECH in any stream like ECE,EE,ME and Civil Engineering

JK SMART CLASSES

ER.JASWINDER KUMAR

JK SMART LECTURE

ER.JASWINDER KUMAR

Engineering Classes Upload Lecture for Polytechnic Diploma classes in any stream like ECE,EE,ME and Civil Engineering

ENGINEERING CLASSES

ER.JASWINDER KUMAR

er.jaswinder kumar

Senior Lecturer