OSMOSE PESTICIDE COMPLETE EXAM QUESTIONS AND
100% VERIFIED ANSWERS (PASS GUARANTEE)
1. What is the primary active ingredient in Osmose wood preservatives? A)
Copper sulfate only B) Chromated copper arsenate (CCA) or similar copper-
based compounds C) Chlorine dioxide D) Sulfuric acid Answer: B
2. What type of pesticide is Osmose primarily classified as? A) Insecticide
B) Fungicide C) Wood preservative/biocide D) Herbicide Answer: C
3. Osmose wood preservatives are primarily used to protect wood from
which organisms? A) Only insects B) Only fungi C) Both fungi and wood-
boring insects D) Only bacteria Answer: C
4. In what year was the CCA formulation in Osmose products banned for
most residential uses in the US? A) 1995 B) 2001 C) 2004 D) 2010 Answer: C
5. What is the primary concern with CCA-treated wood from a health
perspective? A) It causes immediate skin burns B) Arsenic can leach into soil
and groundwater C) It releases toxic gases D) It attracts disease-carrying insects
Answer: B
6. What replaced CCA in many Osmose formulations after the residential
ban? A) DDT B) Copper azole or ACQ (alkaline copper quaternary) C) Lead
acetate D) Mercury compounds Answer: B
7. What is the typical pH range for Osmose water-based preservatives? A)
1-3 (highly acidic) B) 5-7 (neutral) C) 8-12 (alkaline) D) 13+ (extremely
alkaline) Answer: C
8. How does Osmose wood preservative protect wood from decay? A) By
repelling water only B) By making wood taste bad to insects C) By creating a
toxic barrier to fungi and insects D) By hardening the wood surface Answer: C
9. What is the retention rate in treated wood, typically measured in? A)
Parts per thousand (ppt) B) Pounds per cubic foot (pcf) C) Milligrams per liter
(mg/L) D) Percentage by volume Answer: B
, 10. Osmose preservatives are available in which form(s)? A) Powder only B)
Liquid concentrate only C) Both liquid concentrates and waterborne
formulations D) Gas only Answer: C
11. What does "leaching" mean in the context of Osmose products? A)
Applying the product to wood B) The movement of preservative components
from treated wood into surrounding soil/water C) The absorption of water by
the wood D) The breakdown of the wood structure Answer: B
12. Which wood types are most commonly treated with Osmose
preservatives? A) Only softwoods like pine B) Only hardwoods like oak C)
Both softwoods and hardwoods, depending on application D) Only tropical
woods Answer: C
13. What is the typical penetration depth required for effective wood
preservation? A) Surface coating only B) 1/16 inch C) Varies by wood type
and preservative, but typically 1/4 inch or more D) Full penetration through the
entire piece Answer: C
14. How long can Osmose-treated wood typically last in ground contact? A)
2-5 years B) 5-10 years C) 15-40 years depending on conditions D) Over 100
years indefinitely Answer: C
15. What is "fixation" in wood preservation? A) Repairing damaged wood
B) The process where preservative components bind to wood constituents and
become relatively immobile C) Applying a finish coat D) Removing moisture
from wood Answer: B
16. Are Osmose products approved for use in food-contact surfaces? A)
Yes, without restriction B) No, they are not approved for food contact C) Only
for dried foods D) Only in commercial kitchens Answer: B
17. What is the primary advantage of water-based Osmose formulations
over oil-based? A) They are more effective against all pests B) They dry faster
and are easier to apply C) They are safer for the environment and users D) They
cost significantly less Answer: C
18. How does temperature affect the effectiveness of Osmose wood
preservatives? A) Temperature has no effect B) Higher temperatures generally
increase preservative penetration and fixation C) Lower temperatures are always
better D) Temperature only matters during application Answer: B
19. What is the standard testing method for wood preservative efficacy? A)
Visual inspection only B) ASTM standards (such as D1141 or equivalent) C)
Smell tests D) Weight measurement only Answer: B
100% VERIFIED ANSWERS (PASS GUARANTEE)
1. What is the primary active ingredient in Osmose wood preservatives? A)
Copper sulfate only B) Chromated copper arsenate (CCA) or similar copper-
based compounds C) Chlorine dioxide D) Sulfuric acid Answer: B
2. What type of pesticide is Osmose primarily classified as? A) Insecticide
B) Fungicide C) Wood preservative/biocide D) Herbicide Answer: C
3. Osmose wood preservatives are primarily used to protect wood from
which organisms? A) Only insects B) Only fungi C) Both fungi and wood-
boring insects D) Only bacteria Answer: C
4. In what year was the CCA formulation in Osmose products banned for
most residential uses in the US? A) 1995 B) 2001 C) 2004 D) 2010 Answer: C
5. What is the primary concern with CCA-treated wood from a health
perspective? A) It causes immediate skin burns B) Arsenic can leach into soil
and groundwater C) It releases toxic gases D) It attracts disease-carrying insects
Answer: B
6. What replaced CCA in many Osmose formulations after the residential
ban? A) DDT B) Copper azole or ACQ (alkaline copper quaternary) C) Lead
acetate D) Mercury compounds Answer: B
7. What is the typical pH range for Osmose water-based preservatives? A)
1-3 (highly acidic) B) 5-7 (neutral) C) 8-12 (alkaline) D) 13+ (extremely
alkaline) Answer: C
8. How does Osmose wood preservative protect wood from decay? A) By
repelling water only B) By making wood taste bad to insects C) By creating a
toxic barrier to fungi and insects D) By hardening the wood surface Answer: C
9. What is the retention rate in treated wood, typically measured in? A)
Parts per thousand (ppt) B) Pounds per cubic foot (pcf) C) Milligrams per liter
(mg/L) D) Percentage by volume Answer: B
, 10. Osmose preservatives are available in which form(s)? A) Powder only B)
Liquid concentrate only C) Both liquid concentrates and waterborne
formulations D) Gas only Answer: C
11. What does "leaching" mean in the context of Osmose products? A)
Applying the product to wood B) The movement of preservative components
from treated wood into surrounding soil/water C) The absorption of water by
the wood D) The breakdown of the wood structure Answer: B
12. Which wood types are most commonly treated with Osmose
preservatives? A) Only softwoods like pine B) Only hardwoods like oak C)
Both softwoods and hardwoods, depending on application D) Only tropical
woods Answer: C
13. What is the typical penetration depth required for effective wood
preservation? A) Surface coating only B) 1/16 inch C) Varies by wood type
and preservative, but typically 1/4 inch or more D) Full penetration through the
entire piece Answer: C
14. How long can Osmose-treated wood typically last in ground contact? A)
2-5 years B) 5-10 years C) 15-40 years depending on conditions D) Over 100
years indefinitely Answer: C
15. What is "fixation" in wood preservation? A) Repairing damaged wood
B) The process where preservative components bind to wood constituents and
become relatively immobile C) Applying a finish coat D) Removing moisture
from wood Answer: B
16. Are Osmose products approved for use in food-contact surfaces? A)
Yes, without restriction B) No, they are not approved for food contact C) Only
for dried foods D) Only in commercial kitchens Answer: B
17. What is the primary advantage of water-based Osmose formulations
over oil-based? A) They are more effective against all pests B) They dry faster
and are easier to apply C) They are safer for the environment and users D) They
cost significantly less Answer: C
18. How does temperature affect the effectiveness of Osmose wood
preservatives? A) Temperature has no effect B) Higher temperatures generally
increase preservative penetration and fixation C) Lower temperatures are always
better D) Temperature only matters during application Answer: B
19. What is the standard testing method for wood preservative efficacy? A)
Visual inspection only B) ASTM standards (such as D1141 or equivalent) C)
Smell tests D) Weight measurement only Answer: B
