Surface Finish MCQ with Answers

26) Ferrous components are sprayed with metal coating for prevention of corrosion. The metal spraying is done with the help of a gun or pistol having a suitable nozzle. In metal spraying

Answer is:

Tiny particles of molten metal is sprayed with the help of blowing compressed air

27) A product is said to have the quality when

Answer is:

it is fit for use

28) The direction of the predominant surface pattern ordinarily determined by the production method is known as

Answer is:

Lay

Explanation:

Lay is the direction of the predominant surface pattern, ordinarily determined by the production method used.

The direction of the predominant surface pattern ordinarily determined by the production method is known as

29) Which one of the following processes is used to convert the surface of steel into a high chromium iron ?

Answer is:

Chromising

Explanation:

Chromising is a surface treatment carried out at elevated temperatures in which an alloy is formed by the inward diffusion of chromium into the base metal.

30) Stoving finishes, retain their colour during the stoving process which is done in a convection over at ?

Answer is:

26) Ferrous components are sprayed with metal coating for prevention of corrosion. The metal spraying is done with the help of a gun or pistol having a suitable nozzle. In metal spraying

Tiny particles of molten metal is sprayed with the help of blowing compressed air

27) A product is said to have the quality when

it is fit for use

28) The direction of the predominant surface pattern ordinarily determined by the production method is known as

Lay

29) Which one of the following processes is used to convert the surface of steel into a high chromium iron ?

Chromising

30) Stoving finishes, retain their colour during the stoving process which is done in a convection over at ?

110 Degree Centigrade to 120 Degree Centigrade