Engine_2014 : General Subjects - 789/3524
|
|---|
| « Previous Question |
| Solder used for joining metal surfaces should have a __________. |
| A) fusing point much higher than that of the metals being joined |
| B) melting point lower than that of the metals being joined |
| C) coating of Borax flux to raise the melting point |
| D) composition of lead and tin if the solder is the 'hard' type |
loading answer...
| Comments |
|---|
| There are no comments for this question. |