MCQOPTIONS
 Saved Bookmarks
				| 1. | 
                                    _ Moisture would find its way into insulation by vapour pressure unless it is prevented by$? | 
                            
| A. | High thickness of insulation | 
| B. | High vapour pressure | 
| C. | Less thermal conductivity insulator | 
| D. | A vapour seal | 
| Answer» E. | |