Learning Task 5:
Directions: Read each statement carefully and fill in the blanks with the correct answer.
1. Sealant should be used within_______
2. Sealant should not be applied to metal that is colder than_________
3. Sealant should not be used for faying surface applications unless it has been removed from___________
4._______________
is the pressure filling of openings or voids.
5. The joint between two pieces of material formed by a notch and tilled projection is called___________
6. _____________or partially cured sealant will not wet the surface to which it is to be applied os fresh material and consequently
will not have satisfactory adhesion.
7. Better adhesion is obtained, and applied sealant will have less tendency to flow while curing if the metal is warmed to a
temperature between________
and________
8. The key to good sealant adhesion is a________
9._____________
is a material used for sealing something to make it airtight or watertight
10. Prepare scraping tools for_______________​