cameroon gce intermediate level fundamental refrigeration and air conditioning 3

cameroon gce intermediate level fundamental refrigeration and air conditioning 3

cameroon gce intermediate level fundamental refrigeration and air conditioning 3

PRACTICAL PIPE WORK
The sketch on the next page is to be mounted by each candidate. The ends of each tube flare 1.1/4”, 1/4” and
3/8”diameter should be fitted with appropriate nut.
Work required: 40 MARKS
Realized the piping assembly as per the model given, while respecting all the dimensions imposed on the diagram. Use
copper brazing through oxyacetylene welding.
MARKING SCHEME:
Brazing …………………………………. 15mks
Bending …………………………………. 8mks
Flaring …………………………………….4mks
Swaging ………………………………….. 6mks
Piercing …………………………………..4mks
Dimensioning …………………………….2mks
Cleanliness ………………………………..1mk
for more free gce questions, notes and free answers, visit http://www.gcerevision.com or download our app “kawlo” on playstore
2020/5300 /3/C

PDF is loading please wait...


Leave a comment

Your email address will not be published. Required fields are marked *

Download our application
kawlo
sponsors Ads