Education Questionnaire
Training in Copper Systems
This is just a selection of the problems posed in Make The Next Step. To test your skills further and work towards gaining a City and Guilds qualification in Industrial and Commercial Copper Tube Installation, please contact Brian Curry for further details.
Why not try some of the questions below.
| 1.The minimum melting point
of filler rods for brazing is? |
|||
| A | 400oC | B | 500oC |
| C | 1000oC | D | 100oC |
| 2. One of the three important
conditions for successful brazing is? |
|
| A | A piece of metal pipe and filler rod |
| B | The correct type of bronze welding rod for the joint |
| C | A correct capillary gap of 5 mm |
| D | A dry chemically clean metal surface, free from grease and oxide |
| 3. What is the typical
brazing gap used for silver solder? |
|||
| A. | 0.005 and 0.02 mm | B. | 5 mm and 20 mm |
| C. | 0.05 and 10 mm | D. | 0.05 and 0.20 mm |
| 4. When forming 900 machine bends you should allow an extra: |
|
| A. | 1.5 times the tube diameter |
| B. | 2 times the tube diameter |
| C. | 4 times the tube diameter |
| D. | No extra allowance is needed |
|
5. The single line drawing shown is an example of a:
|
|
| A. | 'P' trap |
| B. | Cross over tee |
| C. | Expansion Branch |
| D. | Double looped joint |
| 6. The factors to be considered for correct tube sizing are: |
|
| A. | Flow rate required, type of water hard or soft, gradient of pipe |
| B. | Type of copper used, length of tube, number of fittings |
| C. | Type of water hard or soft, flow rate required, clip distances |
| D. | Flow rate required, pressure available, length of tube, number of fittings |
Click here for the answers
For further information on Make The Next Step, please contact Brian Curry.
Copper has been the professionals' choice for over 45 years.