Applied Mechanics AM 3rd Sem/ME/Civil/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

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

16 N due 45⁰ west of south
32 N due 75⁰ North

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
What do you mean by force? Explain Force
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.

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

Get Started

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

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

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

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

Differentiate between center of gravity and centroid.

Comparison between center of gravity and centroid.

Explain the concept of rigid body and free body diagram.

Concept of rigid body and free body diagram.

Define Triangle Law of forces and Lami`s theorem.

Triangle Law of forces and Lami`s theorem.

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

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

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

Define moment center and moment arm and moment of a couple

Define friction. Give merits and demerits of friction.

Friction. Give merits and demerits of friction.

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

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

Get Started https://www.youtube.com/watch?v=UHX6f8TIvX8https://www.youtube.com/watch?v=M_RR6LVICp0https://www.youtube.com/watch?v=mV41CMWonN4https://www.youtube.com/watch?v=s0LVPE0Q3LE&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=14&t=0s

Section c :-applied Mechanics 3rd Sem/Civil/dec 2018 Diploma Solved Question Paper

Find Angle between two forces of magnitude Numerical.

Angle between two forces of magnitude Numerical.

Explain the methods of reducing friction.

Methods of reducing friction.

Define the following a. Mechanical advantage

Mechanical advantage

b. Input of machine

Input of machine

c. Efficiency of machine

Efficiency of machine

Applied Mechanics 3rd Sem/Civil/Dec 2018 Diploma Solved Question 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 $\"JK$ JK SMART CLASSES ER.JASWINDER KUMAR $\"JK$ JK SMART LECTURE ER.JASWINDER KUMAR Engineering Classes Upload Lecture for Polytechnic Diploma classes in any stream like ECE,EE,ME and Civil Engineering $\"JK$ ENGINEERING CLASSES ER.JASWINDER KUMAR $\"JK$ er.jaswinder kumar Senior Lecturer