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Topic wise Paper Solution

Examination: 2017 SUMMER
Que.No Question/Problem marks
Q 1 a )

Define inversion with example.

2

Q 1 b )

List the inversions for double slider crank mechanism.​

2

Q 1 c )

Define sliding pair with example.

2

Q 2 a )

Draw a neat sketch and explain working of beam engine.

4

Q 3 a )

Differentiate between mechanism and machine.

4

Q 3 b )

Explain the working of Whitworth quick return mechanism.

4

Q 4 a )

Explain the working of freewheel mechanism of bicycle with sketch.

4

Q 6 a )

Draw a neat sketch of Oldham’s coupling and explain the working of it.

4

Examination: 2017 WINTER
Que.No Question/Problem marks
Q 1a)(a)

Define kinematic link and kinematic chain.

2

Q 1a)(a)

Define kinematic link and kinematic chain.

2

Q 1a)(i)

(a) Define : (i) Spherical pair (ii) Higher pair

2

Q 1 b )

Define slip and creep with reference to belt drive. Also state their effect on velocity ratio.

4

Q 1 b )

(b) Define : (i) Radial follower (ii) Off-set follower

2

Q 1 b )

State any four types of friction clutch, along with its application each.

4

Q 1b)(a)

Define completely constrained motion and successfully constrained motion with neat sketch. State one example of each.

4

Q 1 c )

What do you mean by crowning of pulleys in flat belt drive ? State its use.

2

Q 1 d )

Define initial tension in belt drive & state its effect.

2

Q 1 e )

Define fluctuation of speed and fluctuation of energy in case of flywheel.

2

Q 1 f )

Define the sensitivity in relation to governer. State its significance.

2

Q 1 h )

State the adverse effect of imbalance of rotating elements of machine.

2

Q 2 a )

What is a machine ? Differentiate between a machine and a structure.

4

Q 2 a )

Differentiate between machine and structure.

4

Q 2 b )

Describe with neat sketch the working of scotch yoke mechanism.

4

Q 2 b )

Explain with the neat sketch working of crank and slotted lever quick return mechanism.

4

Q 2 c )

Explain the inter-relation between linear and angular velocity, linear and angular acceleration with suitable example.

4

Q 2 d )

Explain the Klein’s construction to determine velocity and acceleration of a link in an I.C. engine mechanism.

4

Q 2 e )

Draw the labelled displacement, velocity and acceleration diagrams for a follower when it moves with simple harmonic motion.

4

Q 2 f )

A pulley rotating at 50 m/s transmits 40 kW. The safe pull in belt is 400 N/cm width of belt. The angle of lap is 170º. If coefficient of friction is 0.24, find required width of belt.

4

Q 4 b )

Justify that slider crank mechanism is a modification of the basic four bar mechanism with neat sketch.

4

Examination: 2016 SUMMER
Que.No Question/Problem marks
Q 1a)(i)

Enlist the types of constrained motion. Draw a label sketch of any one

2

Q 1b)(i)

State inversions of double slider crank chain. Explain Oldham's coupling with neat sketch

4

Q 2 a )

Draw a labeled sketch of quick return mechanism of shaper and explain its working....

4

Q 2 b )

What are the types of kinematic pair ? Give its examples. .............MSBTE TOM SUMMER 2016 Q 2 b

4

Q 4 b )

Justify with neat sketch elliptical trammel as an inversion of double slider crank chain.

4

Examination: 2016 WINTER
Que.No Question/Problem marks
Q 1a)(i)

Define Kinematic link with one example.

2

Q 1a)(ii)

Name different mechanisms generated from a single slider crank chain.

2

Q 1b)(i)

State any four inversions of single slider crane chain. Describe any one with neat sketch.

4

Q 2 a )

Explain a scotch yoke mechanism with a neat sketch.

4

Q 2 b )

What is machine ? Differentiate between a machine and a structure.

4

Q 4 b )

Describe with neat sketch the working of Oldham’s coupling.

4

Examination: 2015 SUMMER
Que.No Question/Problem marks
Q 1a)(a)

Define kinematic link and kinematic chain.

2

Q 1b)(a)

Define completely constrained motion and successfully constrained motion with neat sketch. State one example of each.

4

Q 2 a )

Differentiate machine and structure on any four points.

4

Q 3 f )

Crank OA of a mechanism is hinged at ‘O’ and rotates at an angular velocity of 20 rad/sec.......

4

Q 4 b )

Explain with the diagram working of crank and slotted lever quick return mechanism.

4

Examination: 2015 WINTER
Que.No Question/Problem marks
Q 1a)(i)

Define - 1. Mechanism 2.Inversion

2

Q 1b)(i)

Draw neat labeled sketch of crank and slotted lever mechanism. Label all parts.

2

Q 2 a )

State and explain various types of constrained motions with suitable examples.

4

Q 2 b )

Draw the neat labeled sketch of Oldham’s coupling. State its applications.

4

Q 4 b )

State the meaning of sliding pair, turning pair, rolling pair and spherical pair with one example each.

4