Applied Mechanics AM 3rd Sem/Common/May 2019 Diploma Paper

Download Previous Year Diploma Paper of Applied Mechanics AM 3rd Sem/Civil/ME/Automobile May 2019 Paper

Applied Mechanics 3rd Sem/Civil/ME/Automobile May 2019 Diploma Question Paper

SECTION-A

Q1. a) Fill in the Blanks. 15×1=15

a. Screw jack works on the principle of ____ .
b. A body which does not change its size and shape under effect of forces acting on it is called a
body.
c. Equilibrium force is equal and opposite to the Force.
d. Resultant of two forces is maximum when angle between them is _.
e. Turning effect of force is called ___.
f. The resultant of two unlike parallel forces is equal to their .
g. C.g of a body symmetrical about an axis lies on .
h. Sliding friction is a type of _ Friction.
i. Impulse = Mass X .
j. Apparent weight of passenger sitting in freely falling lift is ________ .

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

I. Angle between two forces of magnitude 15N and 20N is 45 degree, 20N force is being horizontal. Determine resultant in magnitude and direction when both the forces are pull.
II. Find centroid of I section whose dimensions are Top flange = 10cm x 2.5cm
Web = 10cm x 2.5cm Bottom flange = 15cm x 2.5cm
III. Coefficient of friction between a body of weight 200N and horizontal plane on which it rests is 0.35
a) Calculate horizontal surface which acting upon the body just cause it to slide.
b) If body is loaded with additional weight of 150N, calculate the least horizontal force which causes the body to slide.
IV. Explain the methods of reducing friction.
V. Define the following
a. Mechanical advantage
b. Input of machine
c. Efficiency of machine

Applied Mechanics 3rd Sem/Civil/ME/Automobile May 2019 Diploma Solved Question Paper

SECTION-A

Q1. a) Fill in the Blanks. 15×1=15

a. Screw jack works on the principle of ____ .
b. A body which does not change its size and shape under effect of forces acting on it is called a
body.
c. Equilibrium force is equal and opposite to the Force.
d. Resultant of two forces is maximum when angle between them is _.
e. Turning effect of force is called ___.
f. The resultant of two unlike parallel forces is equal to their .
g. C.g of a body symmetrical about an axis lies on .
h. Sliding friction is a type of _ Friction.
i. Impulse = Mass X .
j. Apparent weight of passenger sitting in freely falling lift is ________ .

applied Mechanics 3rd Sem/Civil/May 2019 Diploma Solved Question Paper

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Section a applied Mechanics 3rd Sem/Civil/May 2019 Diploma Solved Question Paper

Screw jack works on the principle of __________ . A body which does not change its size and shape under effect of forces acting on it is called a ___________body. Equilibrium force is equal and opposite to the ____________ Force. Resultant of two forces is maximum when angle between them is _____________ Turning effect of force is called _______________. The resultant of two unlike parallel forces is equal to their __________ . C.g of a body symmetrical about an axis lies on __________ . Sliding friction is a type of _____________ Friction. Impulse = Mass X __________ . Apparent weight of passenger sitting in freely falling lift is ____________ .

Applied Mechanics 3rd Sem/Civil/May 2019 Diploma Solved Question Paper Click Here

Section B :applied Mechanics 3rd Sem/Civil/May 2019 Diploma Solved Question Paper

Differentiate between coplanar and non coplanar forces.

What is the Differentiate between coplanar and non coplanar forces.

What is a couple? State characteristics of couple.

Couple and its characteristics of couple.

Differentiate between centroid and C.G.

Define parallelogram law of forces and it’s uses.

Parallelogram law of forces and it’s uses.

Define the following: a. Coefficient of friction b. Limiting force of friction

a. Coefficient of friction

b. Limiting force of friction

Explain the difference between reversible machine and self locking machine.

Difference between reversible machine and self locking machine.

Why does a gun recoil when a bullet is fired?

Explain law of superposition?

Law of superposition

Applied Mechanics 3rd Sem/Civil/May 2019 Diploma Solved Paper Click Here

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

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Section c :-applied Mechanics 3rd Sem/Civil/May 2019 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

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