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Category wise paper solution Questions

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 1 d )

Define centripetal and tangential acceleration.

2

Q 1 f )

Classify the cam

2

Q 1 g )

Define following terms with respect to cam and follower

2

Q 1 h )

What are the limitations of knife edge follower ?

2

Q 1 i )

Define self-energizing and self-locking brake.

2

Q 1 i )

Write down the formula of length of belt for open belt drive and cross belt drive.

2

Q 1 i )

List the methods to reduce the slip in belt and pulley.

2

Q 1 k )

Define law of gearing.

2

Q 1 m )

What are the limitations of shoe brake ?

2

Q 1 n )

Define uniform wear theory and uniform pressure theory.

2

Q 1 o )

State effects of imbalance in machine.

2

Q 2 b )

Explain with neat sketch how to find the velocity of a slider in slider crank mechanism by Klein’s construction.

2

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)(b)

State types of cams.

2

Q 1a)(c)

State law of gearing.

2

Q 1a)(d)

State the types of chains & sprockets.

2

Q 1a)(e)

State the function of flywheel in I.C. Engine.

2

Q 1a)(f)

State the function of governor.

2

Q 1a)(g)

Compare brakes and dynamometers. (any two points)

2

Q 1a)(h)

Why is balancing of rotating parts necessary for high speed engines ?

2

Q 1a)(i)

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

2

Q 1 b )

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

2

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

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 1a)(ii)

Define (i) Pressure angle (ii) Pitch point related to cam.

2

Q 1a)(iii)

How are mechanical drives classified?

2

Q 1a)(iv)

Define: (i) Coefficient of fluctuation of speed. (ii) Coefficient of fluctuation of energy.

2

Q 1a)(v)

Write any two disadvantages of chain drive.

2

Q 1a)(vi)

Draw line diagram of porter governor

2

Q 1a)(vii)

State the application of (i) Disc brake (ii) Internal expanding brake

2

Q 1a)(viii)

Why is balancing of rotating parts necessary for high speed engines?

2

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 1a)(iii)

State the advantages of roller follower over knife edge follower.

2

Q 1a)(iv)

Define slip and creep in case of belt drive.

2

Q 1a)(v)

Give four advantages of chain drive over belt drive.

2

Q 1a)(vi)

State the effect of centrifugal tension on power transmission.

2

Q 1a)(vii)

Define fluctuation of energy and coefficient of fluctuation of energy.

2

Q 1a)(viii)

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

2

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

Define kinematic link and kinematic chain.

2

Q 1a)(b)

Enlist the different type of follower motion.

2

Q 1a)(c)

Define angle of lap and slip in belt drive.

2

Q 1a)(d)

State four conditions under which the ‘V’ belt drive is selected.

2

Q 1a)(e)

State the function of Governor in an I.C. engine.

2

Q 1a)(f)

State four applications of flywheel.

2

Q 1a)(g)

Give the classification of dynamometer. State the function of it.

2

Q 1a)(h)

Why is balancing of rotating parts necessary for high speed engines ?

2

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

Define - 1. Mechanism 2.Inversion

2

Q 1a)(ii)

State any two types of motion of the follower.

2

Q 1a)(iii)

Define slip and creep in the belt.

2

Q 1a)(iv)

State any two advantages of V belt drive over flat belt drive.

2

Q 1a)(v)

State the function of flywheel in IC engine.

2

Q 1a)(vi)

Define stability and hunting of governor.

2

Q 1a)(vii)

Compare brakes and dynamometers (two points).

2

Q 1a)(viii)

State any two adverse effects of imbalance.

2

Q 1b)(i)

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

2

Q 1b)(ii)

What is the necessity of clutch? State its types.

2