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Mold Materials MCQ Questions - Casting

Mold Materials MCQs : Here you will find MCQ Questions related to "Mold Materials" in Casting, Forming & Welding. These Mold Materials MCQ Questions Will help you to improve your Casting, Forming & Welding knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations.

Question 1

Which materials are used for making molds?

A. metallic
B. non-metallic
C. Both A and B
D. None of the above

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Question 2

Which of the following material has a very low refractoriness?

A. Magnesite
B. Silimanite
C. Zircon
D. Valcanised rubber

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Question 3

High refractoriness of a material refers to its __________

A. Slipperyness of the material
B. Chemical strength towards other material
C. Strength to withstand at high temperature
D. Ability to get dissolved in molten metal

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Question 4

__________ is one type of clay used in moulding sand as a binder.

A. Bentonite
B. Pentonite
C. Zentonite
D. Gentonite

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Question 5

Which of the following is a perfect composition of clay (Bentonite) used in moulding sand?

A. Al2O3
B. Al2O3.2SiO2
C. Al2O3.2H2O
D. Al2O3.2SiO2.2H2O

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Question 6

Which of the following material is not used for mold making?

A. Iron
B. Zinc
C. Mild Steel
D. Alloy Steel

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Question 7

Which of them has the ability to increase strength and hardness of steel material when added to it in the right compostion (2-4%).

A. Iron
B. Zinc
C. Phosphorus
D. Potassium

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Question 8

Which of the following is a perfect composition for medium carbon steel?

A. Upto 0.3%
B. 0.3-0.6%
C. 0.6-1.7%
D. 1.7-3%

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Question 9

Which of them is an alloying element and is not considered as additive?

A. Zinc
B. Titanium
C. Phosphorus
D. Cobalt

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Question 10

The famous iron pillar located near Qutab Minar in New Delhi is made up of which material?

A. Stainless steel
B. Malleable iron
C. Mild steel
D. Wrought iron

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