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Topic wise Paper Solution

Examination: 2017 SUMMER
Que.No Question/Problem marks
Q 5c)(i)

Define following terms as applied to rolling contact bearings: 1) Basic static load rating 2) Basic dynamic load rating 3) Limiting speed

8

Q 5c)(ii)

List important physical characteristics of good bearing material.

8

Q 6 d )

What are rolling contact bearings? State their advantages over sliding contact bearings.

4

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

How do you express the life of bearings?

2

Q 1 l )

State any four applications of rolling contact bearings.

2

Q 2c)(ii)

(ii) How will select bearing from manufacturer catalogue?

8

Examination: 2016 SUMMER
Que.No Question/Problem marks
Q 5c)(ii)

State any four advantages of ball bearings over plain journal bearings.

8

Q 6 d )

State any four disadvantages of rolling bearings as compared to journal bearings

4

Examination: 2016 WINTER
Que.No Question/Problem marks
Q 5c)(i)

(i) State the steps involved in selection of a proper ball bearing from a manufacturer’s catalogue.

8

Q 6 d )

Differentiate between sliding contact and rolling contact type bearings.

4

Q 6 e )

State one application each of (i) Deep groove ball bearing (ii) Taper roller bearing (iii) Thrust roller bearing (iv) Needle roller bearing

4

Q 6 e )

A taper roller bearing has a dynamic load capacity of 26 kN. The desired life for 90% of the bearing is 8000 hr. and speed is 300 rpm. Calculate equivalent radial load that the bearing can carry

4

Examination: 2015 WINTER
Que.No Question/Problem marks
Q 5c)(l)

Differentiate between sliding contact and rolling contact bearings.

6

Q 6 d )

Explain the selection procedure of bearings from manufacturer’s catalogue.

8

Q 6 e )

State the applications of following bearings with suitable reasons:

8