Applied Mechanics AM 3rd Sem/Civil/ME/May 2017 Diploma Paper

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Applied Mechanics 3rd Sem/Civil/ME/Automobile May 2017 Diploma 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.

SECTION-B

Q2. Attempt any five questions. 5×6=30
a. Differentiate between center of gravity and centroid .
b. Explain the characteristics of a force.
c. Define triangle law of forces and lami`s theorem.
d. Where the C.G. does lies of sphere, circular cone, and right circular cylinder?
e. What do mean by moment center and moment arm and moment of a couple?
f. Define friction. Give merits and demerits of friction.
g. Establish a relation between efficiency, mechanical advantage and velocity ratio of a machine.

SECTION-C

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

a. Find the magnitude and direction of the resultant of the following force system.
1. 20 N due north.
2. 12 N due north-west.
3. 10 N due east.
4. 8 N due 350 west of south
5. 16 N due 650 North West.
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.
c. What do mean by force? Explain Force system.
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.

applied Mechanics 3rd Sem/Civil/May 2017 Diploma Solved Question Paper

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Section a applied Mechanics 3rd Sem/Civil/May 2017 Diploma Solved Question Paper

Mass is a _______ quantity. The force which one body exerts on the second body is called ________ force. The angle of friction is always __________ then 90 degree. The _________ effect of the force is called moment. The efficiency of a screw jack may be increased by _______ Its pitch. C.G. is a term used for the bodies having ___________ only. Axis passing through the centroid of the plane lamina is called ___________ axis. Sliding friction is always _________ then Rolling 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 _____ then 50%. One kilogram force is equal to ______ N Efficiency _______ as the load decreases.

Applied Mechanics 3rd Sem/Civil/May 2017 Diploma Solved Question Paper Click Here

Section B :applied Mechanics 3rd Sem/Civil/May 2017 Diploma Solved Question Paper

Differentiate between center of gravity and centroid .

Explain the characteristics of a force.

Characteristics of a force.

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?

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?

Moment center and moment arm and moment of a couple

Define friction. Give merits and demerits of friction.

Friction its 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/May 2017 Diploma Solved Paper Click Here

applied Mechanics 3rd Sem/Civil /May 2017 Diploma Solved Question Paper

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Section c :-applied Mechanics 3rd Sem/Civil/May 2017 Diploma Solved Question Paper

Find the magnitude and direction of the resultant of the following force system.

Find the magnitude and direction of the resultant Numerical

Strings related Numerical

A String Problems

What do mean by force? Explain Force system.

Force and Force system.

Derive an equation for equilibrium of a body

c. Efficiency of machine

Efficiency of machine

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