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test tps

Examination: 2017 SUMMER
Que.No Question/Problem marks
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 2 d )

Explain condition for maximum power transmission.

4

Q 2 e )

Explain the compound gear train with neat sketch and write down the velocity ratio’s equation.

4

Q 3 d )

Find the width of the belt, necessary to transmit 7.5 kW.............

4

Q 4 c )

What are the advantages of ‘V’ belt drive over flat belt drive ?

4

Q 5 c )

A leather belt is required to transmit 7.5 kW from a pulley...........

8

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

How are mechanical drives classified?

2

Q 1a)(v)

Write any two disadvantages of chain drive.

2

Q 1b)(iii)

Compare cross belt drive and open belt drive on the basis of: (i) Velocity ratio. (ii) Direction of driven pulley. (iii) Length of belt drives (iv) Application.

4

Q 2 f )

Problem : A shaft runs at 80 rpm & drives another shaft at 150 rpm through belt drive.........

4

Q 3 c )

Explain epicyclic gear train with neat sketch.

4

Q 5 a )

State and explain Law of Gearing.

4

Q 5 c )

Two parallel shafts, connected by a crossed belt,.....

8

Q 6a)(i)

Explain sleep and creep phenomenon in belts.

4

Examination: 2016 WINTER
Que.No Question/Problem marks
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 1b)(iii)

The central distance two shaft is 4m having two pulleys .........

4

Q 2 f )

A pulley is driven by the flat belt running at speed of......

4

Q 3 c )

Compare cross belt drive and open belt drive on the basis of.......

4

Q 3 f )

Explain with neat sketch working principle of epicyclic gear train.

4

Q 4 a )

Generally, the lower side is kept “Tight side” and upper side is kept as “Slack side” with the belt drives having small driving pulley and big driven pulley. Why ?

4

Examination: 2015 SUMMER
Que.No Question/Problem marks
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 1b)(c)

Compare cross belt drive and open belt drive on the basis of .........

4

Q 2 b )

Explain with neat sketch working principle of Oldham’s coupling.

4

Q 2 f )

The central distance between two shaft is 4 m having two pulleys..........

4

Q 3 d )

State the type of power transmission chains. Describe any one with its sketch.

4

Q 4 a )

Explain the phenomenon of slip and creep in a belt drive. State its effect on velocity ratio.

4

Q 5 c )

A belt is required to transmit 10 kW from a motor running at 600 rpm.........

8

Q 6a)(i)

Define ‘Gear Train’. State its purpose and types of gear train.

4

Examination: 2015 WINTER
Que.No Question/Problem marks
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 1b)(iii)

Draw the neat sketch of epicyclic gear train and explain how it works.

4

Q 3 c )

Formulae to calculate the length of open belt drive and length of Cross belt drive

4

Q 4 a )

What is centrifugal tension ? State its formula. Explain its effect on power transmitted by a belt drive

4

Q 5 c )

Problem:Two parallel shafts whose centre line are 4.8 m apart, are connected by open belt drive.

8

Q 6a)(i)

State and explain law of gearing with the help of suitable sketch.

4