35 + Mcqs in Protective Coatings Page 1 McqOptions

1.	A mixture of oil and pigment in water is known as ______
A.	Enamel
B.	Emulsion
C.	Shellac
D.	Lacquer
Answer» C. Shellac

Discussion

2.	A varnish is a mixture of _____ and oil.
A.	Resin
B.	Pigment
C.	Turpentine
D.	Soybean
Answer» B. Pigment

Discussion

3.	The mixture of oil and a pigment is known as _____
A.	Varnish
B.	Paint
C.	Lacquer
D.	Enamel
Answer» C. Lacquer

Discussion

4.	Phosphate coating and Chromate coating are classifications of ______ coatings.
A.	anodic
B.	cathodic
C.	chemical
D.	vitreous
Answer» D. vitreous

Discussion

5.	An example of an anodic coating is _____
A.	Zinc
B.	Copper
C.	Nickel
D.	Chromium
Answer» B. Copper

Discussion

6.	Which of the following coatings has a glass composition?
A.	Paint
B.	Galvanized
C.	Enamel
D.	Anodized
Answer» D. Anodized

Discussion

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

Discussion

8.	The old paint coating cannot be removed by __________
A.	Soaps
B.	Caustic soda
C.	Trisodium phosphate
D.	Sulphuric acid
Answer» E.

Discussion

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

Discussion

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

Discussion

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

Discussion

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

Discussion

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

Discussion

14.	PHOSPHATE_COATING_AND_CHROMATE_COATING_ARE_CLASSIFICATIONS_OF________COATINGS.?$
A.	anodic
B.	cathodic
C.	chemical
D.	vitreous
Answer» D. vitreous

Discussion

15.	A varnish is a mixture of _____ and oil.
A.	Resin
B.	Pigment
C.	Turpentine
D.	Soybean
Answer» B. Pigment

Discussion

16.	The mixture of oil and a pigment is known as______
A.	Varnish
B.	Paint
C.	Lacquer
D.	Enamel
Answer» C. Lacquer

Discussion

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

Discussion

18.	Which organic coating is made from Lac dissolved in alcohol?
A.	Lacquer
B.	Shellac
C.	Emulsion
D.	Enamel
Answer» C. Emulsion

Discussion

19.	A_mixture_of_oil_and_pigment_in_water_is_known_as_______
A.	Enamel
B.	Emulsion
C.	Shellac
D.	Lacquer
Answer» C. Shellac

Discussion

20.	The old paint coating cannot be removed by _________?
A.	Soaps
B.	Caustic soda
C.	Trisodium phosphate
D.	Sulphuric acid
Answer» E.

Discussion

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.

Discussion

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

Discussion

23.	Alclad is the cladding method where _____ is coated with pure aluminum.
A.	Duralumin
B.	Molybdenum
C.	Tin
D.	Silver
Answer» B. Molybdenum

Discussion

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

Discussion

25.	The veneering of metals for coating is known as _______
A.	Electroplating
B.	Vapor plating
C.	Cladding
D.	Cementation
Answer» D. Cementation

Discussion

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

Discussion

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

Discussion

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

Discussion

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

Discussion

30.	The cleaning methods before applying the protective coating are of _________ types.
A.	3
B.	4
C.	5
D.	6
Answer» E.

Discussion

31.	An example of anodic coating is _____
A.	Zinc
B.	Copper
C.	Nickel
D.	Chromium
Answer» B. Copper

Discussion

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

Discussion

33.	Which of the following is not a type of protective coating?
A.	Metallic
B.	Non-metallic
C.	Organic
D.	Inorganic
Answer» C. Organic

Discussion

34.	The oxidation resistance is given by the protective coatings.
A.	True
B.	False
Answer» B. False

Discussion

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

Discussion

Explore topic-wise MCQs in Applied Chemistry.

A mixture of oil and pigment in water is known as ______

A varnish is a mixture of _____ and oil.

The mixture of oil and a pigment is known as _____

Phosphate coating and Chromate coating are classifications of ______ coatings.

An example of an anodic coating is _____

Which of the following coatings has a glass composition?

The process of coating iron or steel sheet with a thin coat of zinc to prevent iron from rusting is called ____________

The old paint coating cannot be removed by __________

In pickling and etching _________ acids are used.

In anodic coatings, the coating metals possess __________ reduction potential than base metal.

In sand blasting, the atmospheric pressure is about __________

The protective coatings are used to ___________

THE_PROCESS_OF_COATING_IRON_OR_STEEL_SHEET_WITH_A_THIN_COAT_OF_ZINC_TO_PREVENT_IRON_FROM_RUSTING_IS_CALLED_____________?$

PHOSPHATE_COATING_AND_CHROMATE_COATING_ARE_CLASSIFICATIONS_OF________COATINGS.?$

A varnish is a mixture of _____ and oil.

The mixture of oil and a pigment is known as______

Which common application do anodizing and galvanizing serve?

Which organic coating is made from Lac dissolved in alcohol?

A_mixture_of_oil_and_pigment_in_water_is_known_as_______

The old paint coating cannot be removed by _________?

Which method uses the powdered form of a coating to form the protective layer?

In pickling and etching _________ acids are used?

Alclad is the cladding method where _____ is coated with pure aluminum.

During the sand blasting process, the workers are affected by the disease called _________

The veneering of metals for coating is known as _______

Tinning is the example of __________

Which of these methods uses a filler wire at a high-temperature flame?

In anodic coatings, the coating metals possess __________ reduction potential than base metal.

The method of immersing a material into a molten bath for coating is known as _____

The cleaning methods before applying the protective coating are of _________ types.

An example of anodic coating is _____

In sand blasting, the atmospheric pressure is about __________

Which of the following is not a type of protective coating?

The oxidation resistance is given by the protective coatings.

The protective coatings are used to ___________