MCQOPTIONS
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MCQOPTIONS
This section includes 35 Mcqs, each offering curated multiple-choice questions to sharpen your Applied Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A mixture of oil and pigment in water is known as ______ |
| A. | Enamel |
| B. | Emulsion |
| C. | Shellac |
| D. | Lacquer |
| Answer» C. Shellac | |
| 2. |
A varnish is a mixture of _____ and oil. |
| A. | Resin |
| B. | Pigment |
| C. | Turpentine |
| D. | Soybean |
| Answer» B. Pigment | |
| 3. |
The mixture of oil and a pigment is known as _____ |
| A. | Varnish |
| B. | Paint |
| C. | Lacquer |
| D. | Enamel |
| Answer» C. Lacquer | |
| 4. |
Phosphate coating and Chromate coating are classifications of ______ coatings. |
| A. | anodic |
| B. | cathodic |
| C. | chemical |
| D. | vitreous |
| Answer» D. vitreous | |
| 5. |
An example of an anodic coating is _____ |
| A. | Zinc |
| B. | Copper |
| C. | Nickel |
| D. | Chromium |
| Answer» B. Copper | |
| 6. |
Which of the following coatings has a glass composition? |
| A. | Paint |
| B. | Galvanized |
| C. | Enamel |
| D. | Anodized |
| Answer» D. Anodized | |
| 7. |
The process of coating iron or steel sheet with a thin coat of zinc to prevent iron from rusting is called ____________ |
| A. | Tinning |
| B. | Galvanisation |
| C. | Metal cladding |
| D. | Electroplating |
| Answer» C. Metal cladding | |
| 8. |
The old paint coating cannot be removed by __________ |
| A. | Soaps |
| B. | Caustic soda |
| C. | Trisodium phosphate |
| D. | Sulphuric acid |
| Answer» E. | |
| 9. |
In pickling and etching _________ acids are used. |
| A. | Sulphuric acid |
| B. | Hypo chlorous acid |
| C. | Phosphoric acid |
| D. | Phosphorous acid |
| Answer» B. Hypo chlorous acid | |
| 10. |
In anodic coatings, the coating metals possess __________ reduction potential than base metal. |
| A. | Higher |
| B. | Lower |
| C. | Zero |
| D. | Cannot be said |
| Answer» C. Zero | |
| 11. |
In sand blasting, the atmospheric pressure is about __________ |
| A. | 25-100atm |
| B. | 50-100atm |
| C. | 70-100atm |
| D. | 100-250atm |
| Answer» B. 50-100atm | |
| 12. |
The protective coatings are used to ___________ |
| A. | Corrode the metal |
| B. | Prevent from corrosion |
| C. | Increase the corrosion |
| D. | Slightly increase the corrosion |
| Answer» C. Increase the corrosion | |
| 13. |
THE_PROCESS_OF_COATING_IRON_OR_STEEL_SHEET_WITH_A_THIN_COAT_OF_ZINC_TO_PREVENT_IRON_FROM_RUSTING_IS_CALLED_____________?$ |
| A. | Tinning |
| B. | Galvanisation |
| C. | Metal cladding |
| D. | Electroplating |
| Answer» C. Metal cladding | |
| 14. |
PHOSPHATE_COATING_AND_CHROMATE_COATING_ARE_CLASSIFICATIONS_OF________COATINGS.?$ |
| A. | anodic |
| B. | cathodic |
| C. | chemical |
| D. | vitreous |
| Answer» D. vitreous | |
| 15. |
A varnish is a mixture of _____ and oil. |
| A. | Resin |
| B. | Pigment |
| C. | Turpentine |
| D. | Soybean |
| Answer» B. Pigment | |
| 16. |
The mixture of oil and a pigment is known as______ |
| A. | Varnish |
| B. | Paint |
| C. | Lacquer |
| D. | Enamel |
| Answer» C. Lacquer | |
| 17. |
Which common application do anodizing and galvanizing serve? |
| A. | Corrosion resistance |
| B. | Improved surface |
| C. | Zinc coating |
| D. | Increased strength |
| Answer» B. Improved surface | |
| 18. |
Which organic coating is made from Lac dissolved in alcohol? |
| A. | Lacquer |
| B. | Shellac |
| C. | Emulsion |
| D. | Enamel |
| Answer» C. Emulsion | |
| 19. |
A_mixture_of_oil_and_pigment_in_water_is_known_as_______ |
| A. | Enamel |
| B. | Emulsion |
| C. | Shellac |
| D. | Lacquer |
| Answer» C. Shellac | |
| 20. |
The old paint coating cannot be removed by _________? |
| A. | Soaps |
| B. | Caustic soda |
| C. | Trisodium phosphate |
| D. | Sulphuric acid |
| Answer» E. | |
| 21. |
Which method uses the powdered form of a coating to form the protective layer? |
| A. | Electroplating |
| B. | Hot dipping |
| C. | Vapor plating |
| D. | Cementation |
| Answer» E. | |
| 22. |
In pickling and etching _________ acids are used? |
| A. | Sulphuric acid |
| B. | Hypo chlorous acid |
| C. | Phosphoric acid |
| D. | Phosphorous acid |
| Answer» B. Hypo chlorous acid | |
| 23. |
Alclad is the cladding method where _____ is coated with pure aluminum. |
| A. | Duralumin |
| B. | Molybdenum |
| C. | Tin |
| D. | Silver |
| Answer» B. Molybdenum | |
| 24. |
During the sand blasting process, the workers are affected by the disease called _________ |
| A. | Silicosis |
| B. | Chicken guinea |
| C. | Blue baby syndrome |
| D. | Flourosis |
| Answer» B. Chicken guinea | |
| 25. |
The veneering of metals for coating is known as _______ |
| A. | Electroplating |
| B. | Vapor plating |
| C. | Cladding |
| D. | Cementation |
| Answer» D. Cementation | |
| 26. |
Tinning is the example of __________ |
| A. | Anodic coatings |
| B. | Cathodic coatings |
| C. | Neither anode nor cathode |
| D. | Both anode and cathode |
| Answer» C. Neither anode nor cathode | |
| 27. |
Which of these methods uses a filler wire at a high-temperature flame? |
| A. | Hot dipping |
| B. | Metal spraying |
| C. | Vapor plating |
| D. | Cementation |
| Answer» C. Vapor plating | |
| 28. |
In anodic coatings, the coating metals possess __________ reduction potential than base metal. |
| A. | Higher |
| B. | Lower |
| C. | 0 |
| D. | Cannot be said |
| Answer» C. 0 | |
| 29. |
The method of immersing a material into a molten bath for coating is known as _____ |
| A. | Electroplating |
| B. | Hot dipping |
| C. | Cladding |
| D. | Cementation |
| Answer» C. Cladding | |
| 30. |
The cleaning methods before applying the protective coating are of _________ types. |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 6 |
| Answer» E. | |
| 31. |
An example of anodic coating is _____ |
| A. | Zinc |
| B. | Copper |
| C. | Nickel |
| D. | Chromium |
| Answer» B. Copper | |
| 32. |
In sand blasting, the atmospheric pressure is about __________ |
| A. | 25-100atm |
| B. | 50-100atm |
| C. | 70-100atm |
| D. | 100-250atm |
| Answer» B. 50-100atm | |
| 33. |
Which of the following is not a type of protective coating? |
| A. | Metallic |
| B. | Non-metallic |
| C. | Organic |
| D. | Inorganic |
| Answer» C. Organic | |
| 34. |
The oxidation resistance is given by the protective coatings. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 35. |
The protective coatings are used to ___________ |
| A. | Corrode the metal |
| B. | Prevent from corrosion |
| C. | Increase the corrosion |
| D. | Slightly increase the corrosion |
| Answer» C. Increase the corrosion | |