Galvanising is not a zinc diffusion process. A zinc diffusion process istermed as(A) Sherardizing(B) Parkerising(C) Anodising(D) None of these

Galvanising is not a zinc diffusion process. A zinc diffusion process istermed as
(A) Sherardizing
(B) Parkerising
(C) Anodising
(D) None of these
by

1 Answer

Answer :

(A) Sherardizing
by

Related questions

Hot dipping process is used for coating a low melting point metal (e.g. Pb, Sn, Zn) on iron, steel & copper having relatively higher melting points. Which of the following is not a hot dipping process? (A) Galvanising (B) Tinning (C) Sherardizing (D) None of these

Description : Hot dipping process is used for coating a low melting point metal (e.g. Pb, Sn, Zn) on iron, steel & copper having relatively higher melting points. Which of the following is not a hot dipping process? (A) Galvanising (B) Tinning (C) Sherardizing (D) None of these

Last Answer : (C) Sherardizing

Write two points of similarity between sherardizing and galvanising process.

Description : Write two points of similarity between sherardizing and galvanising process.

Last Answer : 1) Sherardizing and galvanizing are the processes of avoiding corrosion of metal. 2) Zinc is used as coating metal on iron base metal.

The process of coating steel sheets by zinc to improve its corrosion resistance is called (A) Calorising (B) Galvanising (C) Zincification (D) Tempering

Description : The process of coating steel sheets by zinc to improve its corrosion resistance is called (A) Calorising (B) Galvanising (C) Zincification (D) Tempering

Last Answer : (B) Galvanising

Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part? (A) Anodising (B) Tempering (C) Carburising

Description : Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part? (A) Anodising (B) Tempering (C) Carburising

Last Answer : (B) Tempering

Maximum consumption of zinc is in (A) Alloying (B) Galvanising (C) Utensil manufacture (D) Electrical industr

Description : Maximum consumption of zinc is in (A) Alloying (B) Galvanising (C) Utensil manufacture (D) Electrical industr

Last Answer : (B) Galvanising

Generally __________ are subjected to galvanising (i.e., zinc coating). (A) Non-ferrous metals (B) Non-metals (C) Low carbon steels (D) Stainless steel

Description : Generally __________ are subjected to galvanising (i.e., zinc coating). (A) Non-ferrous metals (B) Non-metals (C) Low carbon steels (D) Stainless steel

Last Answer : (C) Low carbon steels

Galvanising (i.e., zinc coating) of steel sheets is done to (A) Prevent its rusting by contact with corrosive atmosphere (B) Protect the base metal by cathodic protection (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Galvanising (i.e., zinc coating) of steel sheets is done to (A) Prevent its rusting by contact with corrosive atmosphere (B) Protect the base metal by cathodic protection (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________ gms of zinc per m2 of steel strip. (A) 5-10 (B) 1000-1500 (C) 120-500 (D) 1500-3000

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Last Answer : Option C

The coating of a thin layer of zinc on steel or iron objects is known as – (1) Hot dipping (2) Tinning (3) Galvanising (4) Electroplating

Description : The coating of a thin layer of zinc on steel or iron objects is known as – (1) Hot dipping (2) Tinning (3) Galvanising (4) Electroplating

Last Answer : (3) Galvanising Explanation: Galvanization is the process of applying a protective zinc coating to steel or iron, in order to prevent rusting. Although galvanization can be done with electrochemical and ... is hot-dip galvanization, in which steel parts are submerged in a bath of molten zinc.

Galvanising means covering iron with a thin coat of (A) Tin (B) Zinc (C) Glaze (D) Coal tar

Description : Galvanising means covering iron with a thin coat of (A) Tin (B) Zinc (C) Glaze (D) Coal tar

Last Answer : Answer: Option B

The metal chiefly used for galvanising iron is : (1) Zinc (2) Mercury (3) Cadmium (4) Tin

Description : The metal chiefly used for galvanising iron is : (1) Zinc (2) Mercury (3) Cadmium (4) Tin 

Last Answer : Zinc

The coating of a thin layer of zinc on steel or iron objects is known as (1) Hot dipping (2) Tinning (3) Galvanising (4) Electroplating

Description : The coating of a thin layer of zinc on steel or iron objects is known as (1) Hot dipping (2) Tinning (3) Galvanising (4) Electroplating

Last Answer : Galvanising

Sherardizing process is used for (A) Surface coating (B) Heat treatment of high speed steel (C) Cold working on metals (D) None of these

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Last Answer : (A) Surface coating

What are applications of sherardizing process?

Description : What are applications of sherardizing process?

Last Answer : Applications:- i)Sherardizing is used especially for protecting small odd shaped steel articles like bolts, screws, nuts, threaded parts washers, valves, gauge, tools etc.against atmospheric corrosion. ... has crevices or depression and there is practically no change in the dimensions of articles.

Draw diagram and explain sherardizing process

Description : Draw diagram and explain sherardizing process

Last Answer : Process: i) The iron articles (bolts, screws, nails etc) to be coated are first cleaned and then packed with Zn dust and ZnO powder in a steel drum, which is provided with ... protecting small steel articles like bolts, screws, nuts, threaded parts, washers, valves, gauge, tools etc.

__________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C. (A) Veneering (B) Galvanising (C) Electroplating (D) Calorising

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Define cementation. Describe sherardizing with help of neat labeled diagram

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Last Answer : (C) Prevent the action of water

Galvanising is generally done on (A) Non-ferrous metals (B) Low carbon steel (C) Stainless steel (D) Cast iron

Description : Galvanising is generally done on (A) Non-ferrous metals (B) Low carbon steel (C) Stainless steel (D) Cast iron

Last Answer : (B) Low carbon steel

Glass is (A) Mainly CaO (B) Subjected to galvanising (C) A super cooled liquid (D) All (A), (B) and (C)

Description : Glass is (A) Mainly CaO (B) Subjected to galvanising (C) A super cooled liquid (D) All (A), (B) and (C)

Last Answer : (C) A super cooled liquid

Which of the following is false? (a) Mica is usually found in metamorphic and igneous rocks (b) Aluminium has the advantage over iron as it is resistant to corrosion (c) line is mostly used in galvanising iron and steel goods (d) Manganese is largely used in making fertilizers

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Last Answer : Ans: (d)

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