Chemical Engineering - Chemical Engineering Basics

1. 

Tin plated iron and galvanised iron are generally produced by

A. vaporising
B. hot dipping
C. electroplating
D. spraying

Answer: Option B

Explanation:

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2. 

In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of

A. stainless steel
B. mild steel
C. high speed steel
D. high carbon steel

Answer: Option C

Explanation:

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3. 

Dezincification is a form of corrosion espe-cially applicable to

A. brass
B. nichrome
C. stainless steel
D. monel

Answer: Option A

Explanation:

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4. 

Which of the following materials is not suitable as a die material for wire drawing?

A. Diamond
B. Tungsten carbide
C. Tool steel
D. Bronze

Answer: Option D

Explanation:

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5. 

By X-ray diffraction, it is not possible to determine the

A. preferred orientation.
B. residual localised stresses.
C. particle size.
D. ordered arrangement of magnetic moments.

Answer: Option B

Explanation:

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